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          --- old/usr/src/cmd/zpool/zpool_main.c
          +++ new/usr/src/cmd/zpool/zpool_main.c
   1    1  /*
   2    2   * CDDL HEADER START
   3    3   *
   4    4   * The contents of this file are subject to the terms of the
   5    5   * Common Development and Distribution License (the "License").
   6    6   * You may not use this file except in compliance with the License.
   7    7   *
   8    8   * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
   9    9   * or http://www.opensolaris.org/os/licensing.
  10   10   * See the License for the specific language governing permissions
  11   11   * and limitations under the License.
  12   12   *
  13   13   * When distributing Covered Code, include this CDDL HEADER in each
  14   14   * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
  15   15   * If applicable, add the following below this CDDL HEADER, with the
  16   16   * fields enclosed by brackets "[]" replaced with your own identifying
  17   17   * information: Portions Copyright [yyyy] [name of copyright owner]
  18   18   *
  19   19   * CDDL HEADER END
  20   20   */
  21   21  
  22   22  /*
  23   23   * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
  24   24   * Copyright 2011 Nexenta Systems, Inc. All rights reserved.
  25   25   * Copyright (c) 2011 by Delphix. All rights reserved.
  26   26   */
  27   27  
  28   28  #include <assert.h>
  29   29  #include <ctype.h>
  30   30  #include <dirent.h>
  31   31  #include <errno.h>
  32   32  #include <fcntl.h>
  33   33  #include <libgen.h>
  34   34  #include <libintl.h>
  35   35  #include <libuutil.h>
  36   36  #include <locale.h>
  37   37  #include <stdio.h>
  38   38  #include <stdlib.h>
  39   39  #include <string.h>
  40   40  #include <strings.h>
  41   41  #include <unistd.h>
  42   42  #include <priv.h>
  43   43  #include <pwd.h>
  44   44  #include <zone.h>
  45   45  #include <sys/fs/zfs.h>
  46   46  #include <sys/stat.h>
  47   47  
  48   48  #include <libzfs.h>
  49   49  
  50   50  #include "zpool_util.h"
  51   51  #include "zfs_comutil.h"
  52   52  
  53   53  #include "statcommon.h"
  54   54  
  55   55  static int zpool_do_create(int, char **);
  56   56  static int zpool_do_destroy(int, char **);
  57   57  
  58   58  static int zpool_do_add(int, char **);
  59   59  static int zpool_do_remove(int, char **);
  60   60  
  61   61  static int zpool_do_list(int, char **);
  62   62  static int zpool_do_iostat(int, char **);
  63   63  static int zpool_do_status(int, char **);
  64   64  
  65   65  static int zpool_do_online(int, char **);
  66   66  static int zpool_do_offline(int, char **);
  67   67  static int zpool_do_clear(int, char **);
  68   68  
  69   69  static int zpool_do_reguid(int, char **);
  70   70  
  71   71  static int zpool_do_attach(int, char **);
  72   72  static int zpool_do_detach(int, char **);
  73   73  static int zpool_do_replace(int, char **);
  74   74  static int zpool_do_split(int, char **);
  75   75  
  76   76  static int zpool_do_scrub(int, char **);
  77   77  
  78   78  static int zpool_do_import(int, char **);
  79   79  static int zpool_do_export(int, char **);
  80   80  
  81   81  static int zpool_do_upgrade(int, char **);
  82   82  
  83   83  static int zpool_do_history(int, char **);
  84   84  
  85   85  static int zpool_do_get(int, char **);
  86   86  static int zpool_do_set(int, char **);
  87   87  
  88   88  /*
  89   89   * These libumem hooks provide a reasonable set of defaults for the allocator's
  90   90   * debugging facilities.
  91   91   */
  92   92  
  93   93  #ifdef DEBUG
  94   94  const char *
  95   95  _umem_debug_init(void)
  96   96  {
  97   97          return ("default,verbose"); /* $UMEM_DEBUG setting */
  98   98  }
  99   99  
 100  100  const char *
 101  101  _umem_logging_init(void)
 102  102  {
 103  103          return ("fail,contents"); /* $UMEM_LOGGING setting */
 104  104  }
 105  105  #endif
 106  106  
 107  107  typedef enum {
 108  108          HELP_ADD,
 109  109          HELP_ATTACH,
 110  110          HELP_CLEAR,
 111  111          HELP_CREATE,
 112  112          HELP_DESTROY,
 113  113          HELP_DETACH,
 114  114          HELP_EXPORT,
 115  115          HELP_HISTORY,
 116  116          HELP_IMPORT,
 117  117          HELP_IOSTAT,
 118  118          HELP_LIST,
 119  119          HELP_OFFLINE,
 120  120          HELP_ONLINE,
 121  121          HELP_REPLACE,
 122  122          HELP_REMOVE,
 123  123          HELP_SCRUB,
 124  124          HELP_STATUS,
 125  125          HELP_UPGRADE,
 126  126          HELP_GET,
 127  127          HELP_SET,
 128  128          HELP_SPLIT,
 129  129          HELP_REGUID
 130  130  } zpool_help_t;
 131  131  
 132  132  
 133  133  typedef struct zpool_command {
 134  134          const char      *name;
 135  135          int             (*func)(int, char **);
 136  136          zpool_help_t    usage;
 137  137  } zpool_command_t;
 138  138  
 139  139  /*
 140  140   * Master command table.  Each ZFS command has a name, associated function, and
 141  141   * usage message.  The usage messages need to be internationalized, so we have
 142  142   * to have a function to return the usage message based on a command index.
 143  143   *
 144  144   * These commands are organized according to how they are displayed in the usage
 145  145   * message.  An empty command (one with a NULL name) indicates an empty line in
 146  146   * the generic usage message.
 147  147   */
 148  148  static zpool_command_t command_table[] = {
 149  149          { "create",     zpool_do_create,        HELP_CREATE             },
 150  150          { "destroy",    zpool_do_destroy,       HELP_DESTROY            },
 151  151          { NULL },
 152  152          { "add",        zpool_do_add,           HELP_ADD                },
 153  153          { "remove",     zpool_do_remove,        HELP_REMOVE             },
 154  154          { NULL },
 155  155          { "list",       zpool_do_list,          HELP_LIST               },
 156  156          { "iostat",     zpool_do_iostat,        HELP_IOSTAT             },
 157  157          { "status",     zpool_do_status,        HELP_STATUS             },
 158  158          { NULL },
 159  159          { "online",     zpool_do_online,        HELP_ONLINE             },
 160  160          { "offline",    zpool_do_offline,       HELP_OFFLINE            },
 161  161          { "clear",      zpool_do_clear,         HELP_CLEAR              },
 162  162          { NULL },
 163  163          { "attach",     zpool_do_attach,        HELP_ATTACH             },
 164  164          { "detach",     zpool_do_detach,        HELP_DETACH             },
 165  165          { "replace",    zpool_do_replace,       HELP_REPLACE            },
 166  166          { "split",      zpool_do_split,         HELP_SPLIT              },
 167  167          { NULL },
 168  168          { "scrub",      zpool_do_scrub,         HELP_SCRUB              },
 169  169          { NULL },
 170  170          { "import",     zpool_do_import,        HELP_IMPORT             },
 171  171          { "export",     zpool_do_export,        HELP_EXPORT             },
 172  172          { "upgrade",    zpool_do_upgrade,       HELP_UPGRADE            },
 173  173          { "reguid",     zpool_do_reguid,        HELP_REGUID             },
 174  174          { NULL },
 175  175          { "history",    zpool_do_history,       HELP_HISTORY            },
 176  176          { "get",        zpool_do_get,           HELP_GET                },
 177  177          { "set",        zpool_do_set,           HELP_SET                },
 178  178  };
 179  179  
 180  180  #define NCOMMAND        (sizeof (command_table) / sizeof (command_table[0]))
 181  181  
 182  182  zpool_command_t *current_command;
 183  183  static char history_str[HIS_MAX_RECORD_LEN];
 184  184  
 185  185  static uint_t timestamp_fmt = NODATE;
 186  186  
 187  187  static const char *
 188  188  get_usage(zpool_help_t idx) {
 189  189          switch (idx) {
 190  190          case HELP_ADD:
 191  191                  return (gettext("\tadd [-fn] <pool> <vdev> ...\n"));
 192  192          case HELP_ATTACH:
 193  193                  return (gettext("\tattach [-f] <pool> <device> "
 194  194                      "<new-device>\n"));
 195  195          case HELP_CLEAR:
 196  196                  return (gettext("\tclear [-nF] <pool> [device]\n"));
 197  197          case HELP_CREATE:
 198  198                  return (gettext("\tcreate [-fn] [-o property=value] ... \n"
 199  199                      "\t    [-O file-system-property=value] ... \n"
 200  200                      "\t    [-m mountpoint] [-R root] <pool> <vdev> ...\n"));
 201  201          case HELP_DESTROY:
 202  202                  return (gettext("\tdestroy [-f] <pool>\n"));
 203  203          case HELP_DETACH:
 204  204                  return (gettext("\tdetach <pool> <device>\n"));
 205  205          case HELP_EXPORT:
 206  206                  return (gettext("\texport [-f] <pool> ...\n"));
 207  207          case HELP_HISTORY:
 208  208                  return (gettext("\thistory [-il] [<pool>] ...\n"));
 209  209          case HELP_IMPORT:
 210  210                  return (gettext("\timport [-d dir] [-D]\n"
 211  211                      "\timport [-d dir | -c cachefile] [-F [-n]] <pool | id>\n"
 212  212                      "\timport [-o mntopts] [-o property=value] ... \n"
 213  213                      "\t    [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
 214  214                      "[-R root] [-F [-n]] -a\n"
 215  215                      "\timport [-o mntopts] [-o property=value] ... \n"
 216  216                      "\t    [-d dir | -c cachefile] [-D] [-f] [-m] [-N] "
 217  217                      "[-R root] [-F [-n]]\n"
 218  218                      "\t    <pool | id> [newpool]\n"));
 219  219          case HELP_IOSTAT:
 220  220                  return (gettext("\tiostat [-v] [-T d|u] [pool] ... [interval "
 221  221                      "[count]]\n"));
 222  222          case HELP_LIST:
 223  223                  return (gettext("\tlist [-H] [-o property[,...]] "
 224  224                      "[-T d|u] [pool] ... [interval [count]]\n"));
 225  225          case HELP_OFFLINE:
 226  226                  return (gettext("\toffline [-t] <pool> <device> ...\n"));
 227  227          case HELP_ONLINE:
 228  228                  return (gettext("\tonline <pool> <device> ...\n"));
 229  229          case HELP_REPLACE:
 230  230                  return (gettext("\treplace [-f] <pool> <device> "
 231  231                      "[new-device]\n"));
 232  232          case HELP_REMOVE:
 233  233                  return (gettext("\tremove <pool> <device> ...\n"));
 234  234          case HELP_SCRUB:
 235  235                  return (gettext("\tscrub [-s] <pool> ...\n"));
 236  236          case HELP_STATUS:
 237  237                  return (gettext("\tstatus [-vx] [-T d|u] [pool] ... [interval "
 238  238                      "[count]]\n"));
 239  239          case HELP_UPGRADE:
 240  240                  return (gettext("\tupgrade\n"
 241  241                      "\tupgrade -v\n"
 242  242                      "\tupgrade [-V version] <-a | pool ...>\n"));
 243  243          case HELP_GET:
 244  244                  return (gettext("\tget <\"all\" | property[,...]> "
 245  245                      "<pool> ...\n"));
 246  246          case HELP_SET:
 247  247                  return (gettext("\tset <property=value> <pool> \n"));
 248  248          case HELP_SPLIT:
 249  249                  return (gettext("\tsplit [-n] [-R altroot] [-o mntopts]\n"
 250  250                      "\t    [-o property=value] <pool> <newpool> "
 251  251                      "[<device> ...]\n"));
 252  252          case HELP_REGUID:
 253  253                  return (gettext("\treguid <pool>\n"));
 254  254          }
 255  255  
 256  256          abort();
 257  257          /* NOTREACHED */
 258  258  }
 259  259  
 260  260  
 261  261  /*
 262  262   * Callback routine that will print out a pool property value.
 263  263   */
 264  264  static int
 265  265  print_prop_cb(int prop, void *cb)
 266  266  {
 267  267          FILE *fp = cb;
 268  268  
 269  269          (void) fprintf(fp, "\t%-15s  ", zpool_prop_to_name(prop));
 270  270  
 271  271          if (zpool_prop_readonly(prop))
 272  272                  (void) fprintf(fp, "  NO   ");
 273  273          else
 274  274                  (void) fprintf(fp, " YES   ");
 275  275  
 276  276          if (zpool_prop_values(prop) == NULL)
 277  277                  (void) fprintf(fp, "-\n");
 278  278          else
 279  279                  (void) fprintf(fp, "%s\n", zpool_prop_values(prop));
 280  280  
 281  281          return (ZPROP_CONT);
 282  282  }
 283  283  
 284  284  /*
 285  285   * Display usage message.  If we're inside a command, display only the usage for
 286  286   * that command.  Otherwise, iterate over the entire command table and display
 287  287   * a complete usage message.
 288  288   */
 289  289  void
 290  290  usage(boolean_t requested)
 291  291  {
 292  292          FILE *fp = requested ? stdout : stderr;
 293  293  
 294  294          if (current_command == NULL) {
 295  295                  int i;
 296  296  
 297  297                  (void) fprintf(fp, gettext("usage: zpool command args ...\n"));
 298  298                  (void) fprintf(fp,
 299  299                      gettext("where 'command' is one of the following:\n\n"));
 300  300  
 301  301                  for (i = 0; i < NCOMMAND; i++) {
 302  302                          if (command_table[i].name == NULL)
 303  303                                  (void) fprintf(fp, "\n");
 304  304                          else
 305  305                                  (void) fprintf(fp, "%s",
 306  306                                      get_usage(command_table[i].usage));
 307  307                  }
 308  308          } else {
 309  309                  (void) fprintf(fp, gettext("usage:\n"));
 310  310                  (void) fprintf(fp, "%s", get_usage(current_command->usage));
 311  311          }
 312  312  
 313  313          if (current_command != NULL &&
 314  314              ((strcmp(current_command->name, "set") == 0) ||
 315  315              (strcmp(current_command->name, "get") == 0) ||
 316  316              (strcmp(current_command->name, "list") == 0))) {
 317  317  
 318  318                  (void) fprintf(fp,
 319  319                      gettext("\nthe following properties are supported:\n"));
 320  320  
 321  321                  (void) fprintf(fp, "\n\t%-15s  %s   %s\n\n",
 322  322                      "PROPERTY", "EDIT", "VALUES");
 323  323  
 324  324                  /* Iterate over all properties */
 325  325                  (void) zprop_iter(print_prop_cb, fp, B_FALSE, B_TRUE,
 326  326                      ZFS_TYPE_POOL);
 327  327          }
 328  328  
 329  329          /*
 330  330           * See comments at end of main().
 331  331           */
 332  332          if (getenv("ZFS_ABORT") != NULL) {
 333  333                  (void) printf("dumping core by request\n");
 334  334                  abort();
 335  335          }
 336  336  
 337  337          exit(requested ? 0 : 2);
 338  338  }
 339  339  
 340  340  void
 341  341  print_vdev_tree(zpool_handle_t *zhp, const char *name, nvlist_t *nv, int indent,
 342  342      boolean_t print_logs)
 343  343  {
 344  344          nvlist_t **child;
 345  345          uint_t c, children;
 346  346          char *vname;
 347  347  
 348  348          if (name != NULL)
 349  349                  (void) printf("\t%*s%s\n", indent, "", name);
 350  350  
 351  351          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
 352  352              &child, &children) != 0)
 353  353                  return;
 354  354  
 355  355          for (c = 0; c < children; c++) {
 356  356                  uint64_t is_log = B_FALSE;
 357  357  
 358  358                  (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
 359  359                      &is_log);
 360  360                  if ((is_log && !print_logs) || (!is_log && print_logs))
 361  361                          continue;
 362  362  
 363  363                  vname = zpool_vdev_name(g_zfs, zhp, child[c], B_FALSE);
 364  364                  print_vdev_tree(zhp, vname, child[c], indent + 2,
 365  365                      B_FALSE);
 366  366                  free(vname);
 367  367          }
 368  368  }
 369  369  
 370  370  /*
 371  371   * Add a property pair (name, string-value) into a property nvlist.
 372  372   */
 373  373  static int
 374  374  add_prop_list(const char *propname, char *propval, nvlist_t **props,
 375  375      boolean_t poolprop)
 376  376  {
 377  377          zpool_prop_t prop = ZPROP_INVAL;
 378  378          zfs_prop_t fprop;
 379  379          nvlist_t *proplist;
 380  380          const char *normnm;
 381  381          char *strval;
 382  382  
 383  383          if (*props == NULL &&
 384  384              nvlist_alloc(props, NV_UNIQUE_NAME, 0) != 0) {
 385  385                  (void) fprintf(stderr,
 386  386                      gettext("internal error: out of memory\n"));
 387  387                  return (1);
 388  388          }
 389  389  
 390  390          proplist = *props;
 391  391  
 392  392          if (poolprop) {
 393  393                  if ((prop = zpool_name_to_prop(propname)) == ZPROP_INVAL) {
 394  394                          (void) fprintf(stderr, gettext("property '%s' is "
 395  395                              "not a valid pool property\n"), propname);
 396  396                          return (2);
 397  397                  }
 398  398                  normnm = zpool_prop_to_name(prop);
 399  399          } else {
 400  400                  if ((fprop = zfs_name_to_prop(propname)) != ZPROP_INVAL) {
 401  401                          normnm = zfs_prop_to_name(fprop);
 402  402                  } else {
 403  403                          normnm = propname;
 404  404                  }
 405  405          }
 406  406  
 407  407          if (nvlist_lookup_string(proplist, normnm, &strval) == 0 &&
 408  408              prop != ZPOOL_PROP_CACHEFILE) {
 409  409                  (void) fprintf(stderr, gettext("property '%s' "
 410  410                      "specified multiple times\n"), propname);
 411  411                  return (2);
 412  412          }
 413  413  
 414  414          if (nvlist_add_string(proplist, normnm, propval) != 0) {
 415  415                  (void) fprintf(stderr, gettext("internal "
 416  416                      "error: out of memory\n"));
 417  417                  return (1);
 418  418          }
 419  419  
 420  420          return (0);
 421  421  }
 422  422  
 423  423  /*
 424  424   * zpool add [-fn] <pool> <vdev> ...
 425  425   *
 426  426   *      -f      Force addition of devices, even if they appear in use
 427  427   *      -n      Do not add the devices, but display the resulting layout if
 428  428   *              they were to be added.
 429  429   *
 430  430   * Adds the given vdevs to 'pool'.  As with create, the bulk of this work is
 431  431   * handled by get_vdev_spec(), which constructs the nvlist needed to pass to
 432  432   * libzfs.
 433  433   */
 434  434  int
 435  435  zpool_do_add(int argc, char **argv)
 436  436  {
 437  437          boolean_t force = B_FALSE;
 438  438          boolean_t dryrun = B_FALSE;
 439  439          int c;
 440  440          nvlist_t *nvroot;
 441  441          char *poolname;
 442  442          int ret;
 443  443          zpool_handle_t *zhp;
 444  444          nvlist_t *config;
 445  445  
 446  446          /* check options */
 447  447          while ((c = getopt(argc, argv, "fn")) != -1) {
 448  448                  switch (c) {
 449  449                  case 'f':
 450  450                          force = B_TRUE;
 451  451                          break;
 452  452                  case 'n':
 453  453                          dryrun = B_TRUE;
 454  454                          break;
 455  455                  case '?':
 456  456                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
 457  457                              optopt);
 458  458                          usage(B_FALSE);
 459  459                  }
 460  460          }
 461  461  
 462  462          argc -= optind;
 463  463          argv += optind;
 464  464  
 465  465          /* get pool name and check number of arguments */
 466  466          if (argc < 1) {
 467  467                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
 468  468                  usage(B_FALSE);
 469  469          }
 470  470          if (argc < 2) {
 471  471                  (void) fprintf(stderr, gettext("missing vdev specification\n"));
 472  472                  usage(B_FALSE);
 473  473          }
 474  474  
 475  475          poolname = argv[0];
 476  476  
 477  477          argc--;
 478  478          argv++;
 479  479  
 480  480          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
 481  481                  return (1);
 482  482  
 483  483          if ((config = zpool_get_config(zhp, NULL)) == NULL) {
 484  484                  (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
 485  485                      poolname);
 486  486                  zpool_close(zhp);
 487  487                  return (1);
 488  488          }
 489  489  
 490  490          /* pass off to get_vdev_spec for processing */
 491  491          nvroot = make_root_vdev(zhp, force, !force, B_FALSE, dryrun,
 492  492              argc, argv);
 493  493          if (nvroot == NULL) {
 494  494                  zpool_close(zhp);
 495  495                  return (1);
 496  496          }
 497  497  
 498  498          if (dryrun) {
 499  499                  nvlist_t *poolnvroot;
 500  500  
 501  501                  verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
 502  502                      &poolnvroot) == 0);
 503  503  
 504  504                  (void) printf(gettext("would update '%s' to the following "
 505  505                      "configuration:\n"), zpool_get_name(zhp));
 506  506  
 507  507                  /* print original main pool and new tree */
 508  508                  print_vdev_tree(zhp, poolname, poolnvroot, 0, B_FALSE);
 509  509                  print_vdev_tree(zhp, NULL, nvroot, 0, B_FALSE);
 510  510  
 511  511                  /* Do the same for the logs */
 512  512                  if (num_logs(poolnvroot) > 0) {
 513  513                          print_vdev_tree(zhp, "logs", poolnvroot, 0, B_TRUE);
 514  514                          print_vdev_tree(zhp, NULL, nvroot, 0, B_TRUE);
 515  515                  } else if (num_logs(nvroot) > 0) {
 516  516                          print_vdev_tree(zhp, "logs", nvroot, 0, B_TRUE);
 517  517                  }
 518  518  
 519  519                  ret = 0;
 520  520          } else {
 521  521                  ret = (zpool_add(zhp, nvroot) != 0);
 522  522          }
 523  523  
 524  524          nvlist_free(nvroot);
 525  525          zpool_close(zhp);
 526  526  
 527  527          return (ret);
 528  528  }
 529  529  
 530  530  /*
 531  531   * zpool remove  <pool> <vdev> ...
 532  532   *
 533  533   * Removes the given vdev from the pool.  Currently, this supports removing
 534  534   * spares, cache, and log devices from the pool.
 535  535   */
 536  536  int
 537  537  zpool_do_remove(int argc, char **argv)
 538  538  {
 539  539          char *poolname;
 540  540          int i, ret = 0;
 541  541          zpool_handle_t *zhp;
 542  542  
 543  543          argc--;
 544  544          argv++;
 545  545  
 546  546          /* get pool name and check number of arguments */
 547  547          if (argc < 1) {
 548  548                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
 549  549                  usage(B_FALSE);
 550  550          }
 551  551          if (argc < 2) {
 552  552                  (void) fprintf(stderr, gettext("missing device\n"));
 553  553                  usage(B_FALSE);
 554  554          }
 555  555  
 556  556          poolname = argv[0];
 557  557  
 558  558          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
 559  559                  return (1);
 560  560  
 561  561          for (i = 1; i < argc; i++) {
 562  562                  if (zpool_vdev_remove(zhp, argv[i]) != 0)
 563  563                          ret = 1;
 564  564          }
 565  565  
 566  566          return (ret);
 567  567  }
 568  568  
 569  569  /*
 570  570   * zpool create [-fn] [-o property=value] ...
 571  571   *              [-O file-system-property=value] ...
 572  572   *              [-R root] [-m mountpoint] <pool> <dev> ...
 573  573   *
 574  574   *      -f      Force creation, even if devices appear in use
 575  575   *      -n      Do not create the pool, but display the resulting layout if it
 576  576   *              were to be created.
 577  577   *      -R      Create a pool under an alternate root
 578  578   *      -m      Set default mountpoint for the root dataset.  By default it's
 579  579   *              '/<pool>'
 580  580   *      -o      Set property=value.
 581  581   *      -O      Set fsproperty=value in the pool's root file system
 582  582   *
 583  583   * Creates the named pool according to the given vdev specification.  The
 584  584   * bulk of the vdev processing is done in get_vdev_spec() in zpool_vdev.c.  Once
 585  585   * we get the nvlist back from get_vdev_spec(), we either print out the contents
 586  586   * (if '-n' was specified), or pass it to libzfs to do the creation.
 587  587   */
 588  588  int
 589  589  zpool_do_create(int argc, char **argv)
 590  590  {
 591  591          boolean_t force = B_FALSE;
 592  592          boolean_t dryrun = B_FALSE;
 593  593          int c;
 594  594          nvlist_t *nvroot = NULL;
 595  595          char *poolname;
 596  596          int ret = 1;
 597  597          char *altroot = NULL;
 598  598          char *mountpoint = NULL;
 599  599          nvlist_t *fsprops = NULL;
 600  600          nvlist_t *props = NULL;
 601  601          char *propval;
 602  602  
 603  603          /* check options */
 604  604          while ((c = getopt(argc, argv, ":fnR:m:o:O:")) != -1) {
 605  605                  switch (c) {
 606  606                  case 'f':
 607  607                          force = B_TRUE;
 608  608                          break;
 609  609                  case 'n':
 610  610                          dryrun = B_TRUE;
 611  611                          break;
 612  612                  case 'R':
 613  613                          altroot = optarg;
 614  614                          if (add_prop_list(zpool_prop_to_name(
 615  615                              ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
 616  616                                  goto errout;
 617  617                          if (nvlist_lookup_string(props,
 618  618                              zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
 619  619                              &propval) == 0)
 620  620                                  break;
 621  621                          if (add_prop_list(zpool_prop_to_name(
 622  622                              ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
 623  623                                  goto errout;
 624  624                          break;
 625  625                  case 'm':
 626  626                          mountpoint = optarg;
 627  627                          break;
 628  628                  case 'o':
 629  629                          if ((propval = strchr(optarg, '=')) == NULL) {
 630  630                                  (void) fprintf(stderr, gettext("missing "
 631  631                                      "'=' for -o option\n"));
 632  632                                  goto errout;
 633  633                          }
 634  634                          *propval = '\0';
 635  635                          propval++;
 636  636  
 637  637                          if (add_prop_list(optarg, propval, &props, B_TRUE))
 638  638                                  goto errout;
 639  639                          break;
 640  640                  case 'O':
 641  641                          if ((propval = strchr(optarg, '=')) == NULL) {
 642  642                                  (void) fprintf(stderr, gettext("missing "
 643  643                                      "'=' for -O option\n"));
 644  644                                  goto errout;
 645  645                          }
 646  646                          *propval = '\0';
 647  647                          propval++;
 648  648  
 649  649                          if (add_prop_list(optarg, propval, &fsprops, B_FALSE))
 650  650                                  goto errout;
 651  651                          break;
 652  652                  case ':':
 653  653                          (void) fprintf(stderr, gettext("missing argument for "
 654  654                              "'%c' option\n"), optopt);
 655  655                          goto badusage;
 656  656                  case '?':
 657  657                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
 658  658                              optopt);
 659  659                          goto badusage;
 660  660                  }
 661  661          }
 662  662  
 663  663          argc -= optind;
 664  664          argv += optind;
 665  665  
 666  666          /* get pool name and check number of arguments */
 667  667          if (argc < 1) {
 668  668                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
 669  669                  goto badusage;
 670  670          }
 671  671          if (argc < 2) {
 672  672                  (void) fprintf(stderr, gettext("missing vdev specification\n"));
 673  673                  goto badusage;
 674  674          }
 675  675  
 676  676          poolname = argv[0];
 677  677  
 678  678          /*
 679  679           * As a special case, check for use of '/' in the name, and direct the
 680  680           * user to use 'zfs create' instead.
 681  681           */
 682  682          if (strchr(poolname, '/') != NULL) {
 683  683                  (void) fprintf(stderr, gettext("cannot create '%s': invalid "
 684  684                      "character '/' in pool name\n"), poolname);
 685  685                  (void) fprintf(stderr, gettext("use 'zfs create' to "
 686  686                      "create a dataset\n"));
 687  687                  goto errout;
 688  688          }
 689  689  
 690  690          /* pass off to get_vdev_spec for bulk processing */
 691  691          nvroot = make_root_vdev(NULL, force, !force, B_FALSE, dryrun,
 692  692              argc - 1, argv + 1);
 693  693          if (nvroot == NULL)
 694  694                  goto errout;
 695  695  
 696  696          /* make_root_vdev() allows 0 toplevel children if there are spares */
 697  697          if (!zfs_allocatable_devs(nvroot)) {
 698  698                  (void) fprintf(stderr, gettext("invalid vdev "
 699  699                      "specification: at least one toplevel vdev must be "
 700  700                      "specified\n"));
 701  701                  goto errout;
 702  702          }
 703  703  
 704  704  
 705  705          if (altroot != NULL && altroot[0] != '/') {
 706  706                  (void) fprintf(stderr, gettext("invalid alternate root '%s': "
 707  707                      "must be an absolute path\n"), altroot);
 708  708                  goto errout;
 709  709          }
 710  710  
 711  711          /*
 712  712           * Check the validity of the mountpoint and direct the user to use the
 713  713           * '-m' mountpoint option if it looks like its in use.
 714  714           */
 715  715          if (mountpoint == NULL ||
 716  716              (strcmp(mountpoint, ZFS_MOUNTPOINT_LEGACY) != 0 &&
 717  717              strcmp(mountpoint, ZFS_MOUNTPOINT_NONE) != 0)) {
 718  718                  char buf[MAXPATHLEN];
 719  719                  DIR *dirp;
 720  720  
 721  721                  if (mountpoint && mountpoint[0] != '/') {
 722  722                          (void) fprintf(stderr, gettext("invalid mountpoint "
 723  723                              "'%s': must be an absolute path, 'legacy', or "
 724  724                              "'none'\n"), mountpoint);
 725  725                          goto errout;
 726  726                  }
 727  727  
 728  728                  if (mountpoint == NULL) {
 729  729                          if (altroot != NULL)
 730  730                                  (void) snprintf(buf, sizeof (buf), "%s/%s",
 731  731                                      altroot, poolname);
 732  732                          else
 733  733                                  (void) snprintf(buf, sizeof (buf), "/%s",
 734  734                                      poolname);
 735  735                  } else {
 736  736                          if (altroot != NULL)
 737  737                                  (void) snprintf(buf, sizeof (buf), "%s%s",
 738  738                                      altroot, mountpoint);
 739  739                          else
 740  740                                  (void) snprintf(buf, sizeof (buf), "%s",
 741  741                                      mountpoint);
 742  742                  }
 743  743  
 744  744                  if ((dirp = opendir(buf)) == NULL && errno != ENOENT) {
 745  745                          (void) fprintf(stderr, gettext("mountpoint '%s' : "
 746  746                              "%s\n"), buf, strerror(errno));
 747  747                          (void) fprintf(stderr, gettext("use '-m' "
 748  748                              "option to provide a different default\n"));
 749  749                          goto errout;
 750  750                  } else if (dirp) {
 751  751                          int count = 0;
 752  752  
 753  753                          while (count < 3 && readdir(dirp) != NULL)
 754  754                                  count++;
 755  755                          (void) closedir(dirp);
 756  756  
 757  757                          if (count > 2) {
 758  758                                  (void) fprintf(stderr, gettext("mountpoint "
 759  759                                      "'%s' exists and is not empty\n"), buf);
 760  760                                  (void) fprintf(stderr, gettext("use '-m' "
 761  761                                      "option to provide a "
 762  762                                      "different default\n"));
 763  763                                  goto errout;
 764  764                          }
 765  765                  }
 766  766          }
 767  767  
 768  768          if (dryrun) {
 769  769                  /*
 770  770                   * For a dry run invocation, print out a basic message and run
 771  771                   * through all the vdevs in the list and print out in an
 772  772                   * appropriate hierarchy.
 773  773                   */
 774  774                  (void) printf(gettext("would create '%s' with the "
 775  775                      "following layout:\n\n"), poolname);
 776  776  
 777  777                  print_vdev_tree(NULL, poolname, nvroot, 0, B_FALSE);
 778  778                  if (num_logs(nvroot) > 0)
 779  779                          print_vdev_tree(NULL, "logs", nvroot, 0, B_TRUE);
 780  780  
 781  781                  ret = 0;
 782  782          } else {
 783  783                  /*
 784  784                   * Hand off to libzfs.
 785  785                   */
 786  786                  if (zpool_create(g_zfs, poolname,
 787  787                      nvroot, props, fsprops) == 0) {
 788  788                          zfs_handle_t *pool = zfs_open(g_zfs, poolname,
 789  789                              ZFS_TYPE_FILESYSTEM);
 790  790                          if (pool != NULL) {
 791  791                                  if (mountpoint != NULL)
 792  792                                          verify(zfs_prop_set(pool,
 793  793                                              zfs_prop_to_name(
 794  794                                              ZFS_PROP_MOUNTPOINT),
 795  795                                              mountpoint) == 0);
 796  796                                  if (zfs_mount(pool, NULL, 0) == 0)
 797  797                                          ret = zfs_shareall(pool);
 798  798                                  zfs_close(pool);
 799  799                          }
 800  800                  } else if (libzfs_errno(g_zfs) == EZFS_INVALIDNAME) {
 801  801                          (void) fprintf(stderr, gettext("pool name may have "
 802  802                              "been omitted\n"));
 803  803                  }
 804  804          }
 805  805  
 806  806  errout:
 807  807          nvlist_free(nvroot);
 808  808          nvlist_free(fsprops);
 809  809          nvlist_free(props);
 810  810          return (ret);
 811  811  badusage:
 812  812          nvlist_free(fsprops);
 813  813          nvlist_free(props);
 814  814          usage(B_FALSE);
 815  815          return (2);
 816  816  }
 817  817  
 818  818  /*
 819  819   * zpool destroy <pool>
 820  820   *
 821  821   *      -f      Forcefully unmount any datasets
 822  822   *
 823  823   * Destroy the given pool.  Automatically unmounts any datasets in the pool.
 824  824   */
 825  825  int
 826  826  zpool_do_destroy(int argc, char **argv)
 827  827  {
 828  828          boolean_t force = B_FALSE;
 829  829          int c;
 830  830          char *pool;
 831  831          zpool_handle_t *zhp;
 832  832          int ret;
 833  833  
 834  834          /* check options */
 835  835          while ((c = getopt(argc, argv, "f")) != -1) {
 836  836                  switch (c) {
 837  837                  case 'f':
 838  838                          force = B_TRUE;
 839  839                          break;
 840  840                  case '?':
 841  841                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
 842  842                              optopt);
 843  843                          usage(B_FALSE);
 844  844                  }
 845  845          }
 846  846  
 847  847          argc -= optind;
 848  848          argv += optind;
 849  849  
 850  850          /* check arguments */
 851  851          if (argc < 1) {
 852  852                  (void) fprintf(stderr, gettext("missing pool argument\n"));
 853  853                  usage(B_FALSE);
 854  854          }
 855  855          if (argc > 1) {
 856  856                  (void) fprintf(stderr, gettext("too many arguments\n"));
 857  857                  usage(B_FALSE);
 858  858          }
 859  859  
 860  860          pool = argv[0];
 861  861  
 862  862          if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
 863  863                  /*
 864  864                   * As a special case, check for use of '/' in the name, and
 865  865                   * direct the user to use 'zfs destroy' instead.
 866  866                   */
 867  867                  if (strchr(pool, '/') != NULL)
 868  868                          (void) fprintf(stderr, gettext("use 'zfs destroy' to "
 869  869                              "destroy a dataset\n"));
 870  870                  return (1);
 871  871          }
 872  872  
 873  873          if (zpool_disable_datasets(zhp, force) != 0) {
 874  874                  (void) fprintf(stderr, gettext("could not destroy '%s': "
 875  875                      "could not unmount datasets\n"), zpool_get_name(zhp));
 876  876                  return (1);
 877  877          }
 878  878  
 879  879          ret = (zpool_destroy(zhp) != 0);
 880  880  
 881  881          zpool_close(zhp);
 882  882  
 883  883          return (ret);
 884  884  }
 885  885  
 886  886  /*
 887  887   * zpool export [-f] <pool> ...
 888  888   *
 889  889   *      -f      Forcefully unmount datasets
 890  890   *
 891  891   * Export the given pools.  By default, the command will attempt to cleanly
 892  892   * unmount any active datasets within the pool.  If the '-f' flag is specified,
 893  893   * then the datasets will be forcefully unmounted.
 894  894   */
 895  895  int
 896  896  zpool_do_export(int argc, char **argv)
 897  897  {
 898  898          boolean_t force = B_FALSE;
 899  899          boolean_t hardforce = B_FALSE;
 900  900          int c;
 901  901          zpool_handle_t *zhp;
 902  902          int ret;
 903  903          int i;
 904  904  
 905  905          /* check options */
 906  906          while ((c = getopt(argc, argv, "fF")) != -1) {
 907  907                  switch (c) {
 908  908                  case 'f':
 909  909                          force = B_TRUE;
 910  910                          break;
 911  911                  case 'F':
 912  912                          hardforce = B_TRUE;
 913  913                          break;
 914  914                  case '?':
 915  915                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
 916  916                              optopt);
 917  917                          usage(B_FALSE);
 918  918                  }
 919  919          }
 920  920  
 921  921          argc -= optind;
 922  922          argv += optind;
 923  923  
 924  924          /* check arguments */
 925  925          if (argc < 1) {
 926  926                  (void) fprintf(stderr, gettext("missing pool argument\n"));
 927  927                  usage(B_FALSE);
 928  928          }
 929  929  
 930  930          ret = 0;
 931  931          for (i = 0; i < argc; i++) {
 932  932                  if ((zhp = zpool_open_canfail(g_zfs, argv[i])) == NULL) {
 933  933                          ret = 1;
 934  934                          continue;
 935  935                  }
 936  936  
 937  937                  if (zpool_disable_datasets(zhp, force) != 0) {
 938  938                          ret = 1;
 939  939                          zpool_close(zhp);
 940  940                          continue;
 941  941                  }
 942  942  
 943  943                  if (hardforce) {
 944  944                          if (zpool_export_force(zhp) != 0)
 945  945                                  ret = 1;
 946  946                  } else if (zpool_export(zhp, force) != 0) {
 947  947                          ret = 1;
 948  948                  }
 949  949  
 950  950                  zpool_close(zhp);
 951  951          }
 952  952  
 953  953          return (ret);
 954  954  }
 955  955  
 956  956  /*
 957  957   * Given a vdev configuration, determine the maximum width needed for the device
 958  958   * name column.
 959  959   */
 960  960  static int
 961  961  max_width(zpool_handle_t *zhp, nvlist_t *nv, int depth, int max)
 962  962  {
 963  963          char *name = zpool_vdev_name(g_zfs, zhp, nv, B_TRUE);
 964  964          nvlist_t **child;
 965  965          uint_t c, children;
 966  966          int ret;
 967  967  
 968  968          if (strlen(name) + depth > max)
 969  969                  max = strlen(name) + depth;
 970  970  
 971  971          free(name);
 972  972  
 973  973          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
 974  974              &child, &children) == 0) {
 975  975                  for (c = 0; c < children; c++)
 976  976                          if ((ret = max_width(zhp, child[c], depth + 2,
 977  977                              max)) > max)
 978  978                                  max = ret;
 979  979          }
 980  980  
 981  981          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
 982  982              &child, &children) == 0) {
 983  983                  for (c = 0; c < children; c++)
 984  984                          if ((ret = max_width(zhp, child[c], depth + 2,
 985  985                              max)) > max)
 986  986                                  max = ret;
 987  987          }
 988  988  
 989  989          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
 990  990              &child, &children) == 0) {
 991  991                  for (c = 0; c < children; c++)
 992  992                          if ((ret = max_width(zhp, child[c], depth + 2,
 993  993                              max)) > max)
 994  994                                  max = ret;
 995  995          }
 996  996  
 997  997  
 998  998          return (max);
 999  999  }
1000 1000  
1001 1001  typedef struct spare_cbdata {
1002 1002          uint64_t        cb_guid;
1003 1003          zpool_handle_t  *cb_zhp;
1004 1004  } spare_cbdata_t;
1005 1005  
1006 1006  static boolean_t
1007 1007  find_vdev(nvlist_t *nv, uint64_t search)
1008 1008  {
1009 1009          uint64_t guid;
1010 1010          nvlist_t **child;
1011 1011          uint_t c, children;
1012 1012  
1013 1013          if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID, &guid) == 0 &&
1014 1014              search == guid)
1015 1015                  return (B_TRUE);
1016 1016  
1017 1017          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1018 1018              &child, &children) == 0) {
1019 1019                  for (c = 0; c < children; c++)
1020 1020                          if (find_vdev(child[c], search))
1021 1021                                  return (B_TRUE);
1022 1022          }
1023 1023  
1024 1024          return (B_FALSE);
1025 1025  }
1026 1026  
1027 1027  static int
1028 1028  find_spare(zpool_handle_t *zhp, void *data)
1029 1029  {
1030 1030          spare_cbdata_t *cbp = data;
1031 1031          nvlist_t *config, *nvroot;
1032 1032  
1033 1033          config = zpool_get_config(zhp, NULL);
1034 1034          verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1035 1035              &nvroot) == 0);
1036 1036  
1037 1037          if (find_vdev(nvroot, cbp->cb_guid)) {
1038 1038                  cbp->cb_zhp = zhp;
1039 1039                  return (1);
1040 1040          }
1041 1041  
1042 1042          zpool_close(zhp);
1043 1043          return (0);
1044 1044  }
1045 1045  
1046 1046  /*
1047 1047   * Print out configuration state as requested by status_callback.
1048 1048   */
1049 1049  void
1050 1050  print_status_config(zpool_handle_t *zhp, const char *name, nvlist_t *nv,
1051 1051      int namewidth, int depth, boolean_t isspare)
1052 1052  {
1053 1053          nvlist_t **child;
1054 1054          uint_t c, children;
1055 1055          pool_scan_stat_t *ps = NULL;
1056 1056          vdev_stat_t *vs;
1057 1057          char rbuf[6], wbuf[6], cbuf[6];
1058 1058          char *vname;
1059 1059          uint64_t notpresent;
1060 1060          spare_cbdata_t cb;
1061 1061          char *state;
1062 1062  
1063 1063          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1064 1064              &child, &children) != 0)
1065 1065                  children = 0;
1066 1066  
1067 1067          verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1068 1068              (uint64_t **)&vs, &c) == 0);
1069 1069  
1070 1070          state = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1071 1071          if (isspare) {
1072 1072                  /*
1073 1073                   * For hot spares, we use the terms 'INUSE' and 'AVAILABLE' for
1074 1074                   * online drives.
1075 1075                   */
1076 1076                  if (vs->vs_aux == VDEV_AUX_SPARED)
1077 1077                          state = "INUSE";
1078 1078                  else if (vs->vs_state == VDEV_STATE_HEALTHY)
1079 1079                          state = "AVAIL";
1080 1080          }
1081 1081  
1082 1082          (void) printf("\t%*s%-*s  %-8s", depth, "", namewidth - depth,
1083 1083              name, state);
1084 1084  
1085 1085          if (!isspare) {
1086 1086                  zfs_nicenum(vs->vs_read_errors, rbuf, sizeof (rbuf));
1087 1087                  zfs_nicenum(vs->vs_write_errors, wbuf, sizeof (wbuf));
1088 1088                  zfs_nicenum(vs->vs_checksum_errors, cbuf, sizeof (cbuf));
1089 1089                  (void) printf(" %5s %5s %5s", rbuf, wbuf, cbuf);
1090 1090          }
1091 1091  
1092 1092          if (nvlist_lookup_uint64(nv, ZPOOL_CONFIG_NOT_PRESENT,
1093 1093              ¬present) == 0) {
1094 1094                  char *path;
1095 1095                  verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
1096 1096                  (void) printf("  was %s", path);
1097 1097          } else if (vs->vs_aux != 0) {
1098 1098                  (void) printf("  ");
1099 1099  
1100 1100                  switch (vs->vs_aux) {
1101 1101                  case VDEV_AUX_OPEN_FAILED:
1102 1102                          (void) printf(gettext("cannot open"));
1103 1103                          break;
1104 1104  
1105 1105                  case VDEV_AUX_BAD_GUID_SUM:
1106 1106                          (void) printf(gettext("missing device"));
1107 1107                          break;
1108 1108  
1109 1109                  case VDEV_AUX_NO_REPLICAS:
1110 1110                          (void) printf(gettext("insufficient replicas"));
1111 1111                          break;
1112 1112  
1113 1113                  case VDEV_AUX_VERSION_NEWER:
1114 1114                          (void) printf(gettext("newer version"));
1115 1115                          break;
1116 1116  
1117 1117                  case VDEV_AUX_SPARED:
1118 1118                          verify(nvlist_lookup_uint64(nv, ZPOOL_CONFIG_GUID,
1119 1119                              &cb.cb_guid) == 0);
1120 1120                          if (zpool_iter(g_zfs, find_spare, &cb) == 1) {
1121 1121                                  if (strcmp(zpool_get_name(cb.cb_zhp),
1122 1122                                      zpool_get_name(zhp)) == 0)
1123 1123                                          (void) printf(gettext("currently in "
1124 1124                                              "use"));
1125 1125                                  else
1126 1126                                          (void) printf(gettext("in use by "
1127 1127                                              "pool '%s'"),
1128 1128                                              zpool_get_name(cb.cb_zhp));
1129 1129                                  zpool_close(cb.cb_zhp);
1130 1130                          } else {
1131 1131                                  (void) printf(gettext("currently in use"));
1132 1132                          }
1133 1133                          break;
1134 1134  
1135 1135                  case VDEV_AUX_ERR_EXCEEDED:
1136 1136                          (void) printf(gettext("too many errors"));
1137 1137                          break;
1138 1138  
1139 1139                  case VDEV_AUX_IO_FAILURE:
1140 1140                          (void) printf(gettext("experienced I/O failures"));
1141 1141                          break;
1142 1142  
1143 1143                  case VDEV_AUX_BAD_LOG:
1144 1144                          (void) printf(gettext("bad intent log"));
1145 1145                          break;
1146 1146  
1147 1147                  case VDEV_AUX_EXTERNAL:
1148 1148                          (void) printf(gettext("external device fault"));
1149 1149                          break;
1150 1150  
1151 1151                  case VDEV_AUX_SPLIT_POOL:
1152 1152                          (void) printf(gettext("split into new pool"));
1153 1153                          break;
1154 1154  
1155 1155                  default:
1156 1156                          (void) printf(gettext("corrupted data"));
1157 1157                          break;
1158 1158                  }
1159 1159          }
1160 1160  
1161 1161          (void) nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_SCAN_STATS,
1162 1162              (uint64_t **)&ps, &c);
1163 1163  
1164 1164          if (ps && ps->pss_state == DSS_SCANNING &&
1165 1165              vs->vs_scan_processed != 0 && children == 0) {
1166 1166                  (void) printf(gettext("  (%s)"),
1167 1167                      (ps->pss_func == POOL_SCAN_RESILVER) ?
1168 1168                      "resilvering" : "repairing");
1169 1169          }
1170 1170  
1171 1171          (void) printf("\n");
1172 1172  
1173 1173          for (c = 0; c < children; c++) {
1174 1174                  uint64_t islog = B_FALSE, ishole = B_FALSE;
1175 1175  
1176 1176                  /* Don't print logs or holes here */
1177 1177                  (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1178 1178                      &islog);
1179 1179                  (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_HOLE,
1180 1180                      &ishole);
1181 1181                  if (islog || ishole)
1182 1182                          continue;
1183 1183                  vname = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1184 1184                  print_status_config(zhp, vname, child[c],
1185 1185                      namewidth, depth + 2, isspare);
1186 1186                  free(vname);
1187 1187          }
1188 1188  }
1189 1189  
1190 1190  
1191 1191  /*
1192 1192   * Print the configuration of an exported pool.  Iterate over all vdevs in the
1193 1193   * pool, printing out the name and status for each one.
1194 1194   */
1195 1195  void
1196 1196  print_import_config(const char *name, nvlist_t *nv, int namewidth, int depth)
1197 1197  {
1198 1198          nvlist_t **child;
1199 1199          uint_t c, children;
1200 1200          vdev_stat_t *vs;
1201 1201          char *type, *vname;
1202 1202  
1203 1203          verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_TYPE, &type) == 0);
1204 1204          if (strcmp(type, VDEV_TYPE_MISSING) == 0 ||
1205 1205              strcmp(type, VDEV_TYPE_HOLE) == 0)
1206 1206                  return;
1207 1207  
1208 1208          verify(nvlist_lookup_uint64_array(nv, ZPOOL_CONFIG_VDEV_STATS,
1209 1209              (uint64_t **)&vs, &c) == 0);
1210 1210  
1211 1211          (void) printf("\t%*s%-*s", depth, "", namewidth - depth, name);
1212 1212          (void) printf("  %s", zpool_state_to_name(vs->vs_state, vs->vs_aux));
1213 1213  
1214 1214          if (vs->vs_aux != 0) {
1215 1215                  (void) printf("  ");
1216 1216  
1217 1217                  switch (vs->vs_aux) {
1218 1218                  case VDEV_AUX_OPEN_FAILED:
1219 1219                          (void) printf(gettext("cannot open"));
1220 1220                          break;
1221 1221  
1222 1222                  case VDEV_AUX_BAD_GUID_SUM:
1223 1223                          (void) printf(gettext("missing device"));
1224 1224                          break;
1225 1225  
1226 1226                  case VDEV_AUX_NO_REPLICAS:
1227 1227                          (void) printf(gettext("insufficient replicas"));
1228 1228                          break;
1229 1229  
1230 1230                  case VDEV_AUX_VERSION_NEWER:
1231 1231                          (void) printf(gettext("newer version"));
1232 1232                          break;
1233 1233  
1234 1234                  case VDEV_AUX_ERR_EXCEEDED:
1235 1235                          (void) printf(gettext("too many errors"));
1236 1236                          break;
1237 1237  
1238 1238                  default:
1239 1239                          (void) printf(gettext("corrupted data"));
1240 1240                          break;
1241 1241                  }
1242 1242          }
1243 1243          (void) printf("\n");
1244 1244  
1245 1245          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
1246 1246              &child, &children) != 0)
1247 1247                  return;
1248 1248  
1249 1249          for (c = 0; c < children; c++) {
1250 1250                  uint64_t is_log = B_FALSE;
1251 1251  
1252 1252                  (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1253 1253                      &is_log);
1254 1254                  if (is_log)
1255 1255                          continue;
1256 1256  
1257 1257                  vname = zpool_vdev_name(g_zfs, NULL, child[c], B_TRUE);
1258 1258                  print_import_config(vname, child[c], namewidth, depth + 2);
1259 1259                  free(vname);
1260 1260          }
1261 1261  
1262 1262          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_L2CACHE,
1263 1263              &child, &children) == 0) {
1264 1264                  (void) printf(gettext("\tcache\n"));
1265 1265                  for (c = 0; c < children; c++) {
1266 1266                          vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1267 1267                          (void) printf("\t  %s\n", vname);
1268 1268                          free(vname);
1269 1269                  }
1270 1270          }
1271 1271  
1272 1272          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_SPARES,
1273 1273              &child, &children) == 0) {
1274 1274                  (void) printf(gettext("\tspares\n"));
1275 1275                  for (c = 0; c < children; c++) {
1276 1276                          vname = zpool_vdev_name(g_zfs, NULL, child[c], B_FALSE);
1277 1277                          (void) printf("\t  %s\n", vname);
1278 1278                          free(vname);
1279 1279                  }
1280 1280          }
1281 1281  }
1282 1282  
1283 1283  /*
1284 1284   * Print log vdevs.
1285 1285   * Logs are recorded as top level vdevs in the main pool child array
1286 1286   * but with "is_log" set to 1. We use either print_status_config() or
1287 1287   * print_import_config() to print the top level logs then any log
1288 1288   * children (eg mirrored slogs) are printed recursively - which
1289 1289   * works because only the top level vdev is marked "is_log"
1290 1290   */
1291 1291  static void
1292 1292  print_logs(zpool_handle_t *zhp, nvlist_t *nv, int namewidth, boolean_t verbose)
1293 1293  {
1294 1294          uint_t c, children;
1295 1295          nvlist_t **child;
1296 1296  
1297 1297          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN, &child,
1298 1298              &children) != 0)
1299 1299                  return;
1300 1300  
1301 1301          (void) printf(gettext("\tlogs\n"));
1302 1302  
1303 1303          for (c = 0; c < children; c++) {
1304 1304                  uint64_t is_log = B_FALSE;
1305 1305                  char *name;
1306 1306  
1307 1307                  (void) nvlist_lookup_uint64(child[c], ZPOOL_CONFIG_IS_LOG,
1308 1308                      &is_log);
1309 1309                  if (!is_log)
1310 1310                          continue;
1311 1311                  name = zpool_vdev_name(g_zfs, zhp, child[c], B_TRUE);
1312 1312                  if (verbose)
1313 1313                          print_status_config(zhp, name, child[c], namewidth,
1314 1314                              2, B_FALSE);
1315 1315                  else
1316 1316                          print_import_config(name, child[c], namewidth, 2);
1317 1317                  free(name);
1318 1318          }
1319 1319  }
1320 1320  
1321 1321  /*
1322 1322   * Display the status for the given pool.
1323 1323   */
1324 1324  static void
1325 1325  show_import(nvlist_t *config)
1326 1326  {
  
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1327 1327          uint64_t pool_state;
1328 1328          vdev_stat_t *vs;
1329 1329          char *name;
1330 1330          uint64_t guid;
1331 1331          char *msgid;
1332 1332          nvlist_t *nvroot;
1333 1333          int reason;
1334 1334          const char *health;
1335 1335          uint_t vsc;
1336 1336          int namewidth;
     1337 +        char *comment;
1337 1338  
1338 1339          verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1339 1340              &name) == 0);
1340 1341          verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_GUID,
1341 1342              &guid) == 0);
1342 1343          verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1343 1344              &pool_state) == 0);
1344 1345          verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
1345 1346              &nvroot) == 0);
1346 1347  
1347 1348          verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
1348 1349              (uint64_t **)&vs, &vsc) == 0);
1349 1350          health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
1350 1351  
1351 1352          reason = zpool_import_status(config, &msgid);
1352 1353  
1353      -        (void) printf(gettext("  pool: %s\n"), name);
1354      -        (void) printf(gettext("    id: %llu\n"), (u_longlong_t)guid);
1355      -        (void) printf(gettext(" state: %s"), health);
     1354 +        (void) printf(gettext("   pool: %s\n"), name);
     1355 +        (void) printf(gettext("     id: %llu\n"), (u_longlong_t)guid);
     1356 +        (void) printf(gettext("  state: %s"), health);
1356 1357          if (pool_state == POOL_STATE_DESTROYED)
1357 1358                  (void) printf(gettext(" (DESTROYED)"));
1358 1359          (void) printf("\n");
1359 1360  
1360 1361          switch (reason) {
1361 1362          case ZPOOL_STATUS_MISSING_DEV_R:
1362 1363          case ZPOOL_STATUS_MISSING_DEV_NR:
1363 1364          case ZPOOL_STATUS_BAD_GUID_SUM:
1364      -                (void) printf(gettext("status: One or more devices are missing "
1365      -                    "from the system.\n"));
     1365 +                (void) printf(gettext(" status: One or more devices are "
     1366 +                    "missing from the system.\n"));
1366 1367                  break;
1367 1368  
1368 1369          case ZPOOL_STATUS_CORRUPT_LABEL_R:
1369 1370          case ZPOOL_STATUS_CORRUPT_LABEL_NR:
1370      -                (void) printf(gettext("status: One or more devices contains "
     1371 +                (void) printf(gettext(" status: One or more devices contains "
1371 1372                      "corrupted data.\n"));
1372 1373                  break;
1373 1374  
1374 1375          case ZPOOL_STATUS_CORRUPT_DATA:
1375      -                (void) printf(gettext("status: The pool data is corrupted.\n"));
     1376 +                (void) printf(
     1377 +                    gettext(" status: The pool data is corrupted.\n"));
1376 1378                  break;
1377 1379  
1378 1380          case ZPOOL_STATUS_OFFLINE_DEV:
1379      -                (void) printf(gettext("status: One or more devices "
     1381 +                (void) printf(gettext(" status: One or more devices "
1380 1382                      "are offlined.\n"));
1381 1383                  break;
1382 1384  
1383 1385          case ZPOOL_STATUS_CORRUPT_POOL:
1384      -                (void) printf(gettext("status: The pool metadata is "
     1386 +                (void) printf(gettext(" status: The pool metadata is "
1385 1387                      "corrupted.\n"));
1386 1388                  break;
1387 1389  
1388 1390          case ZPOOL_STATUS_VERSION_OLDER:
1389      -                (void) printf(gettext("status: The pool is formatted using an "
     1391 +                (void) printf(gettext(" status: The pool is formatted using an "
1390 1392                      "older on-disk version.\n"));
1391 1393                  break;
1392 1394  
1393 1395          case ZPOOL_STATUS_VERSION_NEWER:
1394      -                (void) printf(gettext("status: The pool is formatted using an "
     1396 +                (void) printf(gettext(" status: The pool is formatted using an "
1395 1397                      "incompatible version.\n"));
1396 1398                  break;
1397 1399  
1398 1400          case ZPOOL_STATUS_HOSTID_MISMATCH:
1399      -                (void) printf(gettext("status: The pool was last accessed by "
     1401 +                (void) printf(gettext(" status: The pool was last accessed by "
1400 1402                      "another system.\n"));
1401 1403                  break;
1402 1404  
1403 1405          case ZPOOL_STATUS_FAULTED_DEV_R:
1404 1406          case ZPOOL_STATUS_FAULTED_DEV_NR:
1405      -                (void) printf(gettext("status: One or more devices are "
     1407 +                (void) printf(gettext(" status: One or more devices are "
1406 1408                      "faulted.\n"));
1407 1409                  break;
1408 1410  
1409 1411          case ZPOOL_STATUS_BAD_LOG:
1410      -                (void) printf(gettext("status: An intent log record cannot be "
     1412 +                (void) printf(gettext(" status: An intent log record cannot be "
1411 1413                      "read.\n"));
1412 1414                  break;
1413 1415  
1414 1416          case ZPOOL_STATUS_RESILVERING:
1415      -                (void) printf(gettext("status: One or more devices were being "
     1417 +                (void) printf(gettext(" status: One or more devices were being "
1416 1418                      "resilvered.\n"));
1417 1419                  break;
1418 1420  
1419 1421          default:
1420 1422                  /*
1421 1423                   * No other status can be seen when importing pools.
1422 1424                   */
1423 1425                  assert(reason == ZPOOL_STATUS_OK);
1424 1426          }
1425 1427  
1426 1428          /*
1427 1429           * Print out an action according to the overall state of the pool.
1428 1430           */
1429 1431          if (vs->vs_state == VDEV_STATE_HEALTHY) {
1430 1432                  if (reason == ZPOOL_STATUS_VERSION_OLDER)
1431      -                        (void) printf(gettext("action: The pool can be "
     1433 +                        (void) printf(gettext(" action: The pool can be "
1432 1434                              "imported using its name or numeric identifier, "
1433 1435                              "though\n\tsome features will not be available "
1434 1436                              "without an explicit 'zpool upgrade'.\n"));
1435 1437                  else if (reason == ZPOOL_STATUS_HOSTID_MISMATCH)
1436      -                        (void) printf(gettext("action: The pool can be "
     1438 +                        (void) printf(gettext(" action: The pool can be "
1437 1439                              "imported using its name or numeric "
1438 1440                              "identifier and\n\tthe '-f' flag.\n"));
1439 1441                  else
1440      -                        (void) printf(gettext("action: The pool can be "
     1442 +                        (void) printf(gettext(" action: The pool can be "
1441 1443                              "imported using its name or numeric "
1442 1444                              "identifier.\n"));
1443 1445          } else if (vs->vs_state == VDEV_STATE_DEGRADED) {
1444      -                (void) printf(gettext("action: The pool can be imported "
     1446 +                (void) printf(gettext(" action: The pool can be imported "
1445 1447                      "despite missing or damaged devices.  The\n\tfault "
1446 1448                      "tolerance of the pool may be compromised if imported.\n"));
1447 1449          } else {
1448 1450                  switch (reason) {
1449 1451                  case ZPOOL_STATUS_VERSION_NEWER:
1450      -                        (void) printf(gettext("action: The pool cannot be "
     1452 +                        (void) printf(gettext(" action: The pool cannot be "
1451 1453                              "imported.  Access the pool on a system running "
1452 1454                              "newer\n\tsoftware, or recreate the pool from "
1453 1455                              "backup.\n"));
1454 1456                          break;
1455 1457                  case ZPOOL_STATUS_MISSING_DEV_R:
1456 1458                  case ZPOOL_STATUS_MISSING_DEV_NR:
1457 1459                  case ZPOOL_STATUS_BAD_GUID_SUM:
1458      -                        (void) printf(gettext("action: The pool cannot be "
     1460 +                        (void) printf(gettext(" action: The pool cannot be "
1459 1461                              "imported. Attach the missing\n\tdevices and try "
1460 1462                              "again.\n"));
1461 1463                          break;
1462 1464                  default:
1463      -                        (void) printf(gettext("action: The pool cannot be "
     1465 +                        (void) printf(gettext(" action: The pool cannot be "
1464 1466                              "imported due to damaged devices or data.\n"));
1465 1467                  }
1466 1468          }
1467 1469  
     1470 +        /* Print the comment attached to the pool. */
     1471 +        if (nvlist_lookup_string(config, ZPOOL_CONFIG_COMMENT, &comment) == 0)
     1472 +                (void) printf(gettext("comment: %s\n"), comment);
     1473 +
1468 1474          /*
1469 1475           * If the state is "closed" or "can't open", and the aux state
1470 1476           * is "corrupt data":
1471 1477           */
1472 1478          if (((vs->vs_state == VDEV_STATE_CLOSED) ||
1473 1479              (vs->vs_state == VDEV_STATE_CANT_OPEN)) &&
1474 1480              (vs->vs_aux == VDEV_AUX_CORRUPT_DATA)) {
1475 1481                  if (pool_state == POOL_STATE_DESTROYED)
1476 1482                          (void) printf(gettext("\tThe pool was destroyed, "
1477 1483                              "but can be imported using the '-Df' flags.\n"));
1478 1484                  else if (pool_state != POOL_STATE_EXPORTED)
1479 1485                          (void) printf(gettext("\tThe pool may be active on "
1480 1486                              "another system, but can be imported using\n\t"
1481 1487                              "the '-f' flag.\n"));
1482 1488          }
1483 1489  
1484 1490          if (msgid != NULL)
1485 1491                  (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
1486 1492                      msgid);
1487 1493  
1488      -        (void) printf(gettext("config:\n\n"));
     1494 +        (void) printf(gettext(" config:\n\n"));
1489 1495  
1490 1496          namewidth = max_width(NULL, nvroot, 0, 0);
1491 1497          if (namewidth < 10)
1492 1498                  namewidth = 10;
1493 1499  
1494 1500          print_import_config(name, nvroot, namewidth, 0);
1495 1501          if (num_logs(nvroot) > 0)
1496 1502                  print_logs(NULL, nvroot, namewidth, B_FALSE);
1497 1503  
1498 1504          if (reason == ZPOOL_STATUS_BAD_GUID_SUM) {
1499 1505                  (void) printf(gettext("\n\tAdditional devices are known to "
1500 1506                      "be part of this pool, though their\n\texact "
1501 1507                      "configuration cannot be determined.\n"));
1502 1508          }
1503 1509  }
1504 1510  
1505 1511  /*
1506 1512   * Perform the import for the given configuration.  This passes the heavy
1507 1513   * lifting off to zpool_import_props(), and then mounts the datasets contained
1508 1514   * within the pool.
1509 1515   */
1510 1516  static int
1511 1517  do_import(nvlist_t *config, const char *newname, const char *mntopts,
1512 1518      nvlist_t *props, int flags)
1513 1519  {
1514 1520          zpool_handle_t *zhp;
1515 1521          char *name;
1516 1522          uint64_t state;
1517 1523          uint64_t version;
1518 1524  
1519 1525          verify(nvlist_lookup_string(config, ZPOOL_CONFIG_POOL_NAME,
1520 1526              &name) == 0);
1521 1527  
1522 1528          verify(nvlist_lookup_uint64(config,
1523 1529              ZPOOL_CONFIG_POOL_STATE, &state) == 0);
1524 1530          verify(nvlist_lookup_uint64(config,
1525 1531              ZPOOL_CONFIG_VERSION, &version) == 0);
1526 1532          if (version > SPA_VERSION) {
1527 1533                  (void) fprintf(stderr, gettext("cannot import '%s': pool "
1528 1534                      "is formatted using a newer ZFS version\n"), name);
1529 1535                  return (1);
1530 1536          } else if (state != POOL_STATE_EXPORTED &&
1531 1537              !(flags & ZFS_IMPORT_ANY_HOST)) {
1532 1538                  uint64_t hostid;
1533 1539  
1534 1540                  if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID,
1535 1541                      &hostid) == 0) {
1536 1542                          if ((unsigned long)hostid != gethostid()) {
1537 1543                                  char *hostname;
1538 1544                                  uint64_t timestamp;
1539 1545                                  time_t t;
1540 1546  
1541 1547                                  verify(nvlist_lookup_string(config,
1542 1548                                      ZPOOL_CONFIG_HOSTNAME, &hostname) == 0);
1543 1549                                  verify(nvlist_lookup_uint64(config,
1544 1550                                      ZPOOL_CONFIG_TIMESTAMP, ×tamp) == 0);
1545 1551                                  t = timestamp;
1546 1552                                  (void) fprintf(stderr, gettext("cannot import "
1547 1553                                      "'%s': pool may be in use from other "
1548 1554                                      "system, it was last accessed by %s "
1549 1555                                      "(hostid: 0x%lx) on %s"), name, hostname,
1550 1556                                      (unsigned long)hostid,
1551 1557                                      asctime(localtime(&t)));
1552 1558                                  (void) fprintf(stderr, gettext("use '-f' to "
1553 1559                                      "import anyway\n"));
1554 1560                                  return (1);
1555 1561                          }
1556 1562                  } else {
1557 1563                          (void) fprintf(stderr, gettext("cannot import '%s': "
1558 1564                              "pool may be in use from other system\n"), name);
1559 1565                          (void) fprintf(stderr, gettext("use '-f' to import "
1560 1566                              "anyway\n"));
1561 1567                          return (1);
1562 1568                  }
1563 1569          }
1564 1570  
1565 1571          if (zpool_import_props(g_zfs, config, newname, props, flags) != 0)
1566 1572                  return (1);
1567 1573  
1568 1574          if (newname != NULL)
1569 1575                  name = (char *)newname;
1570 1576  
1571 1577          if ((zhp = zpool_open_canfail(g_zfs, name)) == NULL)
1572 1578                  return (1);
1573 1579  
1574 1580          if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
1575 1581              !(flags & ZFS_IMPORT_ONLY) &&
1576 1582              zpool_enable_datasets(zhp, mntopts, 0) != 0) {
1577 1583                  zpool_close(zhp);
1578 1584                  return (1);
1579 1585          }
1580 1586  
1581 1587          zpool_close(zhp);
1582 1588          return (0);
1583 1589  }
1584 1590  
1585 1591  /*
1586 1592   * zpool import [-d dir] [-D]
1587 1593   *       import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1588 1594   *              [-d dir | -c cachefile] [-f] -a
1589 1595   *       import [-o mntopts] [-o prop=value] ... [-R root] [-D]
1590 1596   *              [-d dir | -c cachefile] [-f] [-n] [-F] <pool | id> [newpool]
1591 1597   *
1592 1598   *       -c     Read pool information from a cachefile instead of searching
1593 1599   *              devices.
1594 1600   *
1595 1601   *       -d     Scan in a specific directory, other than /dev/dsk.  More than
1596 1602   *              one directory can be specified using multiple '-d' options.
1597 1603   *
1598 1604   *       -D     Scan for previously destroyed pools or import all or only
1599 1605   *              specified destroyed pools.
1600 1606   *
1601 1607   *       -R     Temporarily import the pool, with all mountpoints relative to
1602 1608   *              the given root.  The pool will remain exported when the machine
1603 1609   *              is rebooted.
1604 1610   *
1605 1611   *       -V     Import even in the presence of faulted vdevs.  This is an
1606 1612   *              intentionally undocumented option for testing purposes, and
1607 1613   *              treats the pool configuration as complete, leaving any bad
1608 1614   *              vdevs in the FAULTED state. In other words, it does verbatim
1609 1615   *              import.
1610 1616   *
1611 1617   *       -f     Force import, even if it appears that the pool is active.
1612 1618   *
1613 1619   *       -F     Attempt rewind if necessary.
1614 1620   *
1615 1621   *       -n     See if rewind would work, but don't actually rewind.
1616 1622   *
1617 1623   *       -N     Import the pool but don't mount datasets.
1618 1624   *
1619 1625   *       -T     Specify a starting txg to use for import. This option is
1620 1626   *              intentionally undocumented option for testing purposes.
1621 1627   *
1622 1628   *       -a     Import all pools found.
1623 1629   *
1624 1630   *       -o     Set property=value and/or temporary mount options (without '=').
1625 1631   *
1626 1632   * The import command scans for pools to import, and import pools based on pool
1627 1633   * name and GUID.  The pool can also be renamed as part of the import process.
1628 1634   */
1629 1635  int
1630 1636  zpool_do_import(int argc, char **argv)
1631 1637  {
1632 1638          char **searchdirs = NULL;
1633 1639          int nsearch = 0;
1634 1640          int c;
1635 1641          int err = 0;
1636 1642          nvlist_t *pools = NULL;
1637 1643          boolean_t do_all = B_FALSE;
1638 1644          boolean_t do_destroyed = B_FALSE;
1639 1645          char *mntopts = NULL;
1640 1646          nvpair_t *elem;
1641 1647          nvlist_t *config;
1642 1648          uint64_t searchguid = 0;
1643 1649          char *searchname = NULL;
1644 1650          char *propval;
1645 1651          nvlist_t *found_config;
1646 1652          nvlist_t *policy = NULL;
1647 1653          nvlist_t *props = NULL;
1648 1654          boolean_t first;
1649 1655          int flags = ZFS_IMPORT_NORMAL;
1650 1656          uint32_t rewind_policy = ZPOOL_NO_REWIND;
1651 1657          boolean_t dryrun = B_FALSE;
1652 1658          boolean_t do_rewind = B_FALSE;
1653 1659          boolean_t xtreme_rewind = B_FALSE;
1654 1660          uint64_t pool_state, txg = -1ULL;
1655 1661          char *cachefile = NULL;
1656 1662          importargs_t idata = { 0 };
1657 1663          char *endptr;
1658 1664  
1659 1665          /* check options */
1660 1666          while ((c = getopt(argc, argv, ":aCc:d:DEfFmnNo:rR:T:VX")) != -1) {
1661 1667                  switch (c) {
1662 1668                  case 'a':
1663 1669                          do_all = B_TRUE;
1664 1670                          break;
1665 1671                  case 'c':
1666 1672                          cachefile = optarg;
1667 1673                          break;
1668 1674                  case 'd':
1669 1675                          if (searchdirs == NULL) {
1670 1676                                  searchdirs = safe_malloc(sizeof (char *));
1671 1677                          } else {
1672 1678                                  char **tmp = safe_malloc((nsearch + 1) *
1673 1679                                      sizeof (char *));
1674 1680                                  bcopy(searchdirs, tmp, nsearch *
1675 1681                                      sizeof (char *));
1676 1682                                  free(searchdirs);
1677 1683                                  searchdirs = tmp;
1678 1684                          }
1679 1685                          searchdirs[nsearch++] = optarg;
1680 1686                          break;
1681 1687                  case 'D':
1682 1688                          do_destroyed = B_TRUE;
1683 1689                          break;
1684 1690                  case 'f':
1685 1691                          flags |= ZFS_IMPORT_ANY_HOST;
1686 1692                          break;
1687 1693                  case 'F':
1688 1694                          do_rewind = B_TRUE;
1689 1695                          break;
1690 1696                  case 'm':
1691 1697                          flags |= ZFS_IMPORT_MISSING_LOG;
1692 1698                          break;
1693 1699                  case 'n':
1694 1700                          dryrun = B_TRUE;
1695 1701                          break;
1696 1702                  case 'N':
1697 1703                          flags |= ZFS_IMPORT_ONLY;
1698 1704                          break;
1699 1705                  case 'o':
1700 1706                          if ((propval = strchr(optarg, '=')) != NULL) {
1701 1707                                  *propval = '\0';
1702 1708                                  propval++;
1703 1709                                  if (add_prop_list(optarg, propval,
1704 1710                                      &props, B_TRUE))
1705 1711                                          goto error;
1706 1712                          } else {
1707 1713                                  mntopts = optarg;
1708 1714                          }
1709 1715                          break;
1710 1716                  case 'R':
1711 1717                          if (add_prop_list(zpool_prop_to_name(
1712 1718                              ZPOOL_PROP_ALTROOT), optarg, &props, B_TRUE))
1713 1719                                  goto error;
1714 1720                          if (nvlist_lookup_string(props,
1715 1721                              zpool_prop_to_name(ZPOOL_PROP_CACHEFILE),
1716 1722                              &propval) == 0)
1717 1723                                  break;
1718 1724                          if (add_prop_list(zpool_prop_to_name(
1719 1725                              ZPOOL_PROP_CACHEFILE), "none", &props, B_TRUE))
1720 1726                                  goto error;
1721 1727                          break;
1722 1728                  case 'T':
1723 1729                          errno = 0;
1724 1730                          txg = strtoull(optarg, &endptr, 10);
1725 1731                          if (errno != 0 || *endptr != '\0') {
1726 1732                                  (void) fprintf(stderr,
1727 1733                                      gettext("invalid txg value\n"));
1728 1734                                  usage(B_FALSE);
1729 1735                          }
1730 1736                          rewind_policy = ZPOOL_DO_REWIND | ZPOOL_EXTREME_REWIND;
1731 1737                          break;
1732 1738                  case 'V':
1733 1739                          flags |= ZFS_IMPORT_VERBATIM;
1734 1740                          break;
1735 1741                  case 'X':
1736 1742                          xtreme_rewind = B_TRUE;
1737 1743                          break;
1738 1744                  case ':':
1739 1745                          (void) fprintf(stderr, gettext("missing argument for "
1740 1746                              "'%c' option\n"), optopt);
1741 1747                          usage(B_FALSE);
1742 1748                          break;
1743 1749                  case '?':
1744 1750                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
1745 1751                              optopt);
1746 1752                          usage(B_FALSE);
1747 1753                  }
1748 1754          }
1749 1755  
1750 1756          argc -= optind;
1751 1757          argv += optind;
1752 1758  
1753 1759          if (cachefile && nsearch != 0) {
1754 1760                  (void) fprintf(stderr, gettext("-c is incompatible with -d\n"));
1755 1761                  usage(B_FALSE);
1756 1762          }
1757 1763  
1758 1764          if ((dryrun || xtreme_rewind) && !do_rewind) {
1759 1765                  (void) fprintf(stderr,
1760 1766                      gettext("-n or -X only meaningful with -F\n"));
1761 1767                  usage(B_FALSE);
1762 1768          }
1763 1769          if (dryrun)
1764 1770                  rewind_policy = ZPOOL_TRY_REWIND;
1765 1771          else if (do_rewind)
1766 1772                  rewind_policy = ZPOOL_DO_REWIND;
1767 1773          if (xtreme_rewind)
1768 1774                  rewind_policy |= ZPOOL_EXTREME_REWIND;
1769 1775  
1770 1776          /* In the future, we can capture further policy and include it here */
1771 1777          if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
1772 1778              nvlist_add_uint64(policy, ZPOOL_REWIND_REQUEST_TXG, txg) != 0 ||
1773 1779              nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
1774 1780                  goto error;
1775 1781  
1776 1782          if (searchdirs == NULL) {
1777 1783                  searchdirs = safe_malloc(sizeof (char *));
1778 1784                  searchdirs[0] = "/dev/dsk";
1779 1785                  nsearch = 1;
1780 1786          }
1781 1787  
1782 1788          /* check argument count */
1783 1789          if (do_all) {
1784 1790                  if (argc != 0) {
1785 1791                          (void) fprintf(stderr, gettext("too many arguments\n"));
1786 1792                          usage(B_FALSE);
1787 1793                  }
1788 1794          } else {
1789 1795                  if (argc > 2) {
1790 1796                          (void) fprintf(stderr, gettext("too many arguments\n"));
1791 1797                          usage(B_FALSE);
1792 1798                  }
1793 1799  
1794 1800                  /*
1795 1801                   * Check for the SYS_CONFIG privilege.  We do this explicitly
1796 1802                   * here because otherwise any attempt to discover pools will
1797 1803                   * silently fail.
1798 1804                   */
1799 1805                  if (argc == 0 && !priv_ineffect(PRIV_SYS_CONFIG)) {
1800 1806                          (void) fprintf(stderr, gettext("cannot "
1801 1807                              "discover pools: permission denied\n"));
1802 1808                          free(searchdirs);
1803 1809                          nvlist_free(policy);
1804 1810                          return (1);
1805 1811                  }
1806 1812          }
1807 1813  
1808 1814          /*
1809 1815           * Depending on the arguments given, we do one of the following:
1810 1816           *
1811 1817           *      <none>  Iterate through all pools and display information about
1812 1818           *              each one.
1813 1819           *
1814 1820           *      -a      Iterate through all pools and try to import each one.
1815 1821           *
1816 1822           *      <id>    Find the pool that corresponds to the given GUID/pool
1817 1823           *              name and import that one.
1818 1824           *
1819 1825           *      -D      Above options applies only to destroyed pools.
1820 1826           */
1821 1827          if (argc != 0) {
1822 1828                  char *endptr;
1823 1829  
1824 1830                  errno = 0;
1825 1831                  searchguid = strtoull(argv[0], &endptr, 10);
1826 1832                  if (errno != 0 || *endptr != '\0')
1827 1833                          searchname = argv[0];
1828 1834                  found_config = NULL;
1829 1835  
1830 1836                  /*
1831 1837                   * User specified a name or guid.  Ensure it's unique.
1832 1838                   */
1833 1839                  idata.unique = B_TRUE;
1834 1840          }
1835 1841  
1836 1842  
1837 1843          idata.path = searchdirs;
1838 1844          idata.paths = nsearch;
1839 1845          idata.poolname = searchname;
1840 1846          idata.guid = searchguid;
1841 1847          idata.cachefile = cachefile;
1842 1848  
1843 1849          pools = zpool_search_import(g_zfs, &idata);
1844 1850  
1845 1851          if (pools != NULL && idata.exists &&
1846 1852              (argc == 1 || strcmp(argv[0], argv[1]) == 0)) {
1847 1853                  (void) fprintf(stderr, gettext("cannot import '%s': "
1848 1854                      "a pool with that name already exists\n"),
1849 1855                      argv[0]);
1850 1856                  (void) fprintf(stderr, gettext("use the form '%s "
1851 1857                      "<pool | id> <newpool>' to give it a new name\n"),
1852 1858                      "zpool import");
1853 1859                  err = 1;
1854 1860          } else if (pools == NULL && idata.exists) {
1855 1861                  (void) fprintf(stderr, gettext("cannot import '%s': "
1856 1862                      "a pool with that name is already created/imported,\n"),
1857 1863                      argv[0]);
1858 1864                  (void) fprintf(stderr, gettext("and no additional pools "
1859 1865                      "with that name were found\n"));
1860 1866                  err = 1;
1861 1867          } else if (pools == NULL) {
1862 1868                  if (argc != 0) {
1863 1869                          (void) fprintf(stderr, gettext("cannot import '%s': "
1864 1870                              "no such pool available\n"), argv[0]);
1865 1871                  }
1866 1872                  err = 1;
1867 1873          }
1868 1874  
1869 1875          if (err == 1) {
1870 1876                  free(searchdirs);
1871 1877                  nvlist_free(policy);
1872 1878                  return (1);
1873 1879          }
1874 1880  
1875 1881          /*
1876 1882           * At this point we have a list of import candidate configs. Even if
1877 1883           * we were searching by pool name or guid, we still need to
1878 1884           * post-process the list to deal with pool state and possible
1879 1885           * duplicate names.
1880 1886           */
1881 1887          err = 0;
1882 1888          elem = NULL;
1883 1889          first = B_TRUE;
1884 1890          while ((elem = nvlist_next_nvpair(pools, elem)) != NULL) {
1885 1891  
1886 1892                  verify(nvpair_value_nvlist(elem, &config) == 0);
1887 1893  
1888 1894                  verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_POOL_STATE,
1889 1895                      &pool_state) == 0);
1890 1896                  if (!do_destroyed && pool_state == POOL_STATE_DESTROYED)
1891 1897                          continue;
1892 1898                  if (do_destroyed && pool_state != POOL_STATE_DESTROYED)
1893 1899                          continue;
1894 1900  
1895 1901                  verify(nvlist_add_nvlist(config, ZPOOL_REWIND_POLICY,
1896 1902                      policy) == 0);
1897 1903  
1898 1904                  if (argc == 0) {
1899 1905                          if (first)
1900 1906                                  first = B_FALSE;
1901 1907                          else if (!do_all)
1902 1908                                  (void) printf("\n");
1903 1909  
1904 1910                          if (do_all) {
1905 1911                                  err |= do_import(config, NULL, mntopts,
1906 1912                                      props, flags);
1907 1913                          } else {
1908 1914                                  show_import(config);
1909 1915                          }
1910 1916                  } else if (searchname != NULL) {
1911 1917                          char *name;
1912 1918  
1913 1919                          /*
1914 1920                           * We are searching for a pool based on name.
1915 1921                           */
1916 1922                          verify(nvlist_lookup_string(config,
1917 1923                              ZPOOL_CONFIG_POOL_NAME, &name) == 0);
1918 1924  
1919 1925                          if (strcmp(name, searchname) == 0) {
1920 1926                                  if (found_config != NULL) {
1921 1927                                          (void) fprintf(stderr, gettext(
1922 1928                                              "cannot import '%s': more than "
1923 1929                                              "one matching pool\n"), searchname);
1924 1930                                          (void) fprintf(stderr, gettext(
1925 1931                                              "import by numeric ID instead\n"));
1926 1932                                          err = B_TRUE;
1927 1933                                  }
1928 1934                                  found_config = config;
1929 1935                          }
1930 1936                  } else {
1931 1937                          uint64_t guid;
1932 1938  
1933 1939                          /*
1934 1940                           * Search for a pool by guid.
1935 1941                           */
1936 1942                          verify(nvlist_lookup_uint64(config,
1937 1943                              ZPOOL_CONFIG_POOL_GUID, &guid) == 0);
1938 1944  
1939 1945                          if (guid == searchguid)
1940 1946                                  found_config = config;
1941 1947                  }
1942 1948          }
1943 1949  
1944 1950          /*
1945 1951           * If we were searching for a specific pool, verify that we found a
1946 1952           * pool, and then do the import.
1947 1953           */
1948 1954          if (argc != 0 && err == 0) {
1949 1955                  if (found_config == NULL) {
1950 1956                          (void) fprintf(stderr, gettext("cannot import '%s': "
1951 1957                              "no such pool available\n"), argv[0]);
1952 1958                          err = B_TRUE;
1953 1959                  } else {
1954 1960                          err |= do_import(found_config, argc == 1 ? NULL :
1955 1961                              argv[1], mntopts, props, flags);
1956 1962                  }
1957 1963          }
1958 1964  
1959 1965          /*
1960 1966           * If we were just looking for pools, report an error if none were
1961 1967           * found.
1962 1968           */
1963 1969          if (argc == 0 && first)
1964 1970                  (void) fprintf(stderr,
1965 1971                      gettext("no pools available to import\n"));
1966 1972  
1967 1973  error:
1968 1974          nvlist_free(props);
1969 1975          nvlist_free(pools);
1970 1976          nvlist_free(policy);
1971 1977          free(searchdirs);
1972 1978  
1973 1979          return (err ? 1 : 0);
1974 1980  }
1975 1981  
1976 1982  typedef struct iostat_cbdata {
1977 1983          zpool_list_t *cb_list;
1978 1984          int cb_verbose;
1979 1985          int cb_iteration;
1980 1986          int cb_namewidth;
1981 1987  } iostat_cbdata_t;
1982 1988  
1983 1989  static void
1984 1990  print_iostat_separator(iostat_cbdata_t *cb)
1985 1991  {
1986 1992          int i = 0;
1987 1993  
1988 1994          for (i = 0; i < cb->cb_namewidth; i++)
1989 1995                  (void) printf("-");
1990 1996          (void) printf("  -----  -----  -----  -----  -----  -----\n");
1991 1997  }
1992 1998  
1993 1999  static void
1994 2000  print_iostat_header(iostat_cbdata_t *cb)
1995 2001  {
1996 2002          (void) printf("%*s     capacity     operations    bandwidth\n",
1997 2003              cb->cb_namewidth, "");
1998 2004          (void) printf("%-*s  alloc   free   read  write   read  write\n",
1999 2005              cb->cb_namewidth, "pool");
2000 2006          print_iostat_separator(cb);
2001 2007  }
2002 2008  
2003 2009  /*
2004 2010   * Display a single statistic.
2005 2011   */
2006 2012  static void
2007 2013  print_one_stat(uint64_t value)
2008 2014  {
2009 2015          char buf[64];
2010 2016  
2011 2017          zfs_nicenum(value, buf, sizeof (buf));
2012 2018          (void) printf("  %5s", buf);
2013 2019  }
2014 2020  
2015 2021  /*
2016 2022   * Print out all the statistics for the given vdev.  This can either be the
2017 2023   * toplevel configuration, or called recursively.  If 'name' is NULL, then this
2018 2024   * is a verbose output, and we don't want to display the toplevel pool stats.
2019 2025   */
2020 2026  void
2021 2027  print_vdev_stats(zpool_handle_t *zhp, const char *name, nvlist_t *oldnv,
2022 2028      nvlist_t *newnv, iostat_cbdata_t *cb, int depth)
2023 2029  {
2024 2030          nvlist_t **oldchild, **newchild;
2025 2031          uint_t c, children;
2026 2032          vdev_stat_t *oldvs, *newvs;
2027 2033          vdev_stat_t zerovs = { 0 };
2028 2034          uint64_t tdelta;
2029 2035          double scale;
2030 2036          char *vname;
2031 2037  
2032 2038          if (oldnv != NULL) {
2033 2039                  verify(nvlist_lookup_uint64_array(oldnv,
2034 2040                      ZPOOL_CONFIG_VDEV_STATS, (uint64_t **)&oldvs, &c) == 0);
2035 2041          } else {
2036 2042                  oldvs = &zerovs;
2037 2043          }
2038 2044  
2039 2045          verify(nvlist_lookup_uint64_array(newnv, ZPOOL_CONFIG_VDEV_STATS,
2040 2046              (uint64_t **)&newvs, &c) == 0);
2041 2047  
2042 2048          if (strlen(name) + depth > cb->cb_namewidth)
2043 2049                  (void) printf("%*s%s", depth, "", name);
2044 2050          else
2045 2051                  (void) printf("%*s%s%*s", depth, "", name,
2046 2052                      (int)(cb->cb_namewidth - strlen(name) - depth), "");
2047 2053  
2048 2054          tdelta = newvs->vs_timestamp - oldvs->vs_timestamp;
2049 2055  
2050 2056          if (tdelta == 0)
2051 2057                  scale = 1.0;
2052 2058          else
2053 2059                  scale = (double)NANOSEC / tdelta;
2054 2060  
2055 2061          /* only toplevel vdevs have capacity stats */
2056 2062          if (newvs->vs_space == 0) {
2057 2063                  (void) printf("      -      -");
2058 2064          } else {
2059 2065                  print_one_stat(newvs->vs_alloc);
2060 2066                  print_one_stat(newvs->vs_space - newvs->vs_alloc);
2061 2067          }
2062 2068  
2063 2069          print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_READ] -
2064 2070              oldvs->vs_ops[ZIO_TYPE_READ])));
2065 2071  
2066 2072          print_one_stat((uint64_t)(scale * (newvs->vs_ops[ZIO_TYPE_WRITE] -
2067 2073              oldvs->vs_ops[ZIO_TYPE_WRITE])));
2068 2074  
2069 2075          print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_READ] -
2070 2076              oldvs->vs_bytes[ZIO_TYPE_READ])));
2071 2077  
2072 2078          print_one_stat((uint64_t)(scale * (newvs->vs_bytes[ZIO_TYPE_WRITE] -
2073 2079              oldvs->vs_bytes[ZIO_TYPE_WRITE])));
2074 2080  
2075 2081          (void) printf("\n");
2076 2082  
2077 2083          if (!cb->cb_verbose)
2078 2084                  return;
2079 2085  
2080 2086          if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_CHILDREN,
2081 2087              &newchild, &children) != 0)
2082 2088                  return;
2083 2089  
2084 2090          if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_CHILDREN,
2085 2091              &oldchild, &c) != 0)
2086 2092                  return;
2087 2093  
2088 2094          for (c = 0; c < children; c++) {
2089 2095                  uint64_t ishole = B_FALSE, islog = B_FALSE;
2090 2096  
2091 2097                  (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_HOLE,
2092 2098                      &ishole);
2093 2099  
2094 2100                  (void) nvlist_lookup_uint64(newchild[c], ZPOOL_CONFIG_IS_LOG,
2095 2101                      &islog);
2096 2102  
2097 2103                  if (ishole || islog)
2098 2104                          continue;
2099 2105  
2100 2106                  vname = zpool_vdev_name(g_zfs, zhp, newchild[c], B_FALSE);
2101 2107                  print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2102 2108                      newchild[c], cb, depth + 2);
2103 2109                  free(vname);
2104 2110          }
2105 2111  
2106 2112          /*
2107 2113           * Log device section
2108 2114           */
2109 2115  
2110 2116          if (num_logs(newnv) > 0) {
2111 2117                  (void) printf("%-*s      -      -      -      -      -      "
2112 2118                      "-\n", cb->cb_namewidth, "logs");
2113 2119  
2114 2120                  for (c = 0; c < children; c++) {
2115 2121                          uint64_t islog = B_FALSE;
2116 2122                          (void) nvlist_lookup_uint64(newchild[c],
2117 2123                              ZPOOL_CONFIG_IS_LOG, &islog);
2118 2124  
2119 2125                          if (islog) {
2120 2126                                  vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2121 2127                                      B_FALSE);
2122 2128                                  print_vdev_stats(zhp, vname, oldnv ?
2123 2129                                      oldchild[c] : NULL, newchild[c],
2124 2130                                      cb, depth + 2);
2125 2131                                  free(vname);
2126 2132                          }
2127 2133                  }
2128 2134  
2129 2135          }
2130 2136  
2131 2137          /*
2132 2138           * Include level 2 ARC devices in iostat output
2133 2139           */
2134 2140          if (nvlist_lookup_nvlist_array(newnv, ZPOOL_CONFIG_L2CACHE,
2135 2141              &newchild, &children) != 0)
2136 2142                  return;
2137 2143  
2138 2144          if (oldnv && nvlist_lookup_nvlist_array(oldnv, ZPOOL_CONFIG_L2CACHE,
2139 2145              &oldchild, &c) != 0)
2140 2146                  return;
2141 2147  
2142 2148          if (children > 0) {
2143 2149                  (void) printf("%-*s      -      -      -      -      -      "
2144 2150                      "-\n", cb->cb_namewidth, "cache");
2145 2151                  for (c = 0; c < children; c++) {
2146 2152                          vname = zpool_vdev_name(g_zfs, zhp, newchild[c],
2147 2153                              B_FALSE);
2148 2154                          print_vdev_stats(zhp, vname, oldnv ? oldchild[c] : NULL,
2149 2155                              newchild[c], cb, depth + 2);
2150 2156                          free(vname);
2151 2157                  }
2152 2158          }
2153 2159  }
2154 2160  
2155 2161  static int
2156 2162  refresh_iostat(zpool_handle_t *zhp, void *data)
2157 2163  {
2158 2164          iostat_cbdata_t *cb = data;
2159 2165          boolean_t missing;
2160 2166  
2161 2167          /*
2162 2168           * If the pool has disappeared, remove it from the list and continue.
2163 2169           */
2164 2170          if (zpool_refresh_stats(zhp, &missing) != 0)
2165 2171                  return (-1);
2166 2172  
2167 2173          if (missing)
2168 2174                  pool_list_remove(cb->cb_list, zhp);
2169 2175  
2170 2176          return (0);
2171 2177  }
2172 2178  
2173 2179  /*
2174 2180   * Callback to print out the iostats for the given pool.
2175 2181   */
2176 2182  int
2177 2183  print_iostat(zpool_handle_t *zhp, void *data)
2178 2184  {
2179 2185          iostat_cbdata_t *cb = data;
2180 2186          nvlist_t *oldconfig, *newconfig;
2181 2187          nvlist_t *oldnvroot, *newnvroot;
2182 2188  
2183 2189          newconfig = zpool_get_config(zhp, &oldconfig);
2184 2190  
2185 2191          if (cb->cb_iteration == 1)
2186 2192                  oldconfig = NULL;
2187 2193  
2188 2194          verify(nvlist_lookup_nvlist(newconfig, ZPOOL_CONFIG_VDEV_TREE,
2189 2195              &newnvroot) == 0);
2190 2196  
2191 2197          if (oldconfig == NULL)
2192 2198                  oldnvroot = NULL;
2193 2199          else
2194 2200                  verify(nvlist_lookup_nvlist(oldconfig, ZPOOL_CONFIG_VDEV_TREE,
2195 2201                      &oldnvroot) == 0);
2196 2202  
2197 2203          /*
2198 2204           * Print out the statistics for the pool.
2199 2205           */
2200 2206          print_vdev_stats(zhp, zpool_get_name(zhp), oldnvroot, newnvroot, cb, 0);
2201 2207  
2202 2208          if (cb->cb_verbose)
2203 2209                  print_iostat_separator(cb);
2204 2210  
2205 2211          return (0);
2206 2212  }
2207 2213  
2208 2214  int
2209 2215  get_namewidth(zpool_handle_t *zhp, void *data)
2210 2216  {
2211 2217          iostat_cbdata_t *cb = data;
2212 2218          nvlist_t *config, *nvroot;
2213 2219  
2214 2220          if ((config = zpool_get_config(zhp, NULL)) != NULL) {
2215 2221                  verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
2216 2222                      &nvroot) == 0);
2217 2223                  if (!cb->cb_verbose)
2218 2224                          cb->cb_namewidth = strlen(zpool_get_name(zhp));
2219 2225                  else
2220 2226                          cb->cb_namewidth = max_width(zhp, nvroot, 0, 0);
2221 2227          }
2222 2228  
2223 2229          /*
2224 2230           * The width must fall into the range [10,38].  The upper limit is the
2225 2231           * maximum we can have and still fit in 80 columns.
2226 2232           */
2227 2233          if (cb->cb_namewidth < 10)
2228 2234                  cb->cb_namewidth = 10;
2229 2235          if (cb->cb_namewidth > 38)
2230 2236                  cb->cb_namewidth = 38;
2231 2237  
2232 2238          return (0);
2233 2239  }
2234 2240  
2235 2241  /*
2236 2242   * Parse the input string, get the 'interval' and 'count' value if there is one.
2237 2243   */
2238 2244  static void
2239 2245  get_interval_count(int *argcp, char **argv, unsigned long *iv,
2240 2246      unsigned long *cnt)
2241 2247  {
2242 2248          unsigned long interval = 0, count = 0;
2243 2249          int argc = *argcp, errno;
2244 2250  
2245 2251          /*
2246 2252           * Determine if the last argument is an integer or a pool name
2247 2253           */
2248 2254          if (argc > 0 && isdigit(argv[argc - 1][0])) {
2249 2255                  char *end;
2250 2256  
2251 2257                  errno = 0;
2252 2258                  interval = strtoul(argv[argc - 1], &end, 10);
2253 2259  
2254 2260                  if (*end == '\0' && errno == 0) {
2255 2261                          if (interval == 0) {
2256 2262                                  (void) fprintf(stderr, gettext("interval "
2257 2263                                      "cannot be zero\n"));
2258 2264                                  usage(B_FALSE);
2259 2265                          }
2260 2266                          /*
2261 2267                           * Ignore the last parameter
2262 2268                           */
2263 2269                          argc--;
2264 2270                  } else {
2265 2271                          /*
2266 2272                           * If this is not a valid number, just plow on.  The
2267 2273                           * user will get a more informative error message later
2268 2274                           * on.
2269 2275                           */
2270 2276                          interval = 0;
2271 2277                  }
2272 2278          }
2273 2279  
2274 2280          /*
2275 2281           * If the last argument is also an integer, then we have both a count
2276 2282           * and an interval.
2277 2283           */
2278 2284          if (argc > 0 && isdigit(argv[argc - 1][0])) {
2279 2285                  char *end;
2280 2286  
2281 2287                  errno = 0;
2282 2288                  count = interval;
2283 2289                  interval = strtoul(argv[argc - 1], &end, 10);
2284 2290  
2285 2291                  if (*end == '\0' && errno == 0) {
2286 2292                          if (interval == 0) {
2287 2293                                  (void) fprintf(stderr, gettext("interval "
2288 2294                                      "cannot be zero\n"));
2289 2295                                  usage(B_FALSE);
2290 2296                          }
2291 2297  
2292 2298                          /*
2293 2299                           * Ignore the last parameter
2294 2300                           */
2295 2301                          argc--;
2296 2302                  } else {
2297 2303                          interval = 0;
2298 2304                  }
2299 2305          }
2300 2306  
2301 2307          *iv = interval;
2302 2308          *cnt = count;
2303 2309          *argcp = argc;
2304 2310  }
2305 2311  
2306 2312  static void
2307 2313  get_timestamp_arg(char c)
2308 2314  {
2309 2315          if (c == 'u')
2310 2316                  timestamp_fmt = UDATE;
2311 2317          else if (c == 'd')
2312 2318                  timestamp_fmt = DDATE;
2313 2319          else
2314 2320                  usage(B_FALSE);
2315 2321  }
2316 2322  
2317 2323  /*
2318 2324   * zpool iostat [-v] [-T d|u] [pool] ... [interval [count]]
2319 2325   *
2320 2326   *      -v      Display statistics for individual vdevs
2321 2327   *      -T      Display a timestamp in date(1) or Unix format
2322 2328   *
2323 2329   * This command can be tricky because we want to be able to deal with pool
2324 2330   * creation/destruction as well as vdev configuration changes.  The bulk of this
2325 2331   * processing is handled by the pool_list_* routines in zpool_iter.c.  We rely
2326 2332   * on pool_list_update() to detect the addition of new pools.  Configuration
2327 2333   * changes are all handled within libzfs.
2328 2334   */
2329 2335  int
2330 2336  zpool_do_iostat(int argc, char **argv)
2331 2337  {
2332 2338          int c;
2333 2339          int ret;
2334 2340          int npools;
2335 2341          unsigned long interval = 0, count = 0;
2336 2342          zpool_list_t *list;
2337 2343          boolean_t verbose = B_FALSE;
2338 2344          iostat_cbdata_t cb;
2339 2345  
2340 2346          /* check options */
2341 2347          while ((c = getopt(argc, argv, "T:v")) != -1) {
2342 2348                  switch (c) {
2343 2349                  case 'T':
2344 2350                          get_timestamp_arg(*optarg);
2345 2351                          break;
2346 2352                  case 'v':
2347 2353                          verbose = B_TRUE;
2348 2354                          break;
2349 2355                  case '?':
2350 2356                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2351 2357                              optopt);
2352 2358                          usage(B_FALSE);
2353 2359                  }
2354 2360          }
2355 2361  
2356 2362          argc -= optind;
2357 2363          argv += optind;
2358 2364  
2359 2365          get_interval_count(&argc, argv, &interval, &count);
2360 2366  
2361 2367          /*
2362 2368           * Construct the list of all interesting pools.
2363 2369           */
2364 2370          ret = 0;
2365 2371          if ((list = pool_list_get(argc, argv, NULL, &ret)) == NULL)
2366 2372                  return (1);
2367 2373  
2368 2374          if (pool_list_count(list) == 0 && argc != 0) {
2369 2375                  pool_list_free(list);
2370 2376                  return (1);
2371 2377          }
2372 2378  
2373 2379          if (pool_list_count(list) == 0 && interval == 0) {
2374 2380                  pool_list_free(list);
2375 2381                  (void) fprintf(stderr, gettext("no pools available\n"));
2376 2382                  return (1);
2377 2383          }
2378 2384  
2379 2385          /*
2380 2386           * Enter the main iostat loop.
2381 2387           */
2382 2388          cb.cb_list = list;
2383 2389          cb.cb_verbose = verbose;
2384 2390          cb.cb_iteration = 0;
2385 2391          cb.cb_namewidth = 0;
2386 2392  
2387 2393          for (;;) {
2388 2394                  pool_list_update(list);
2389 2395  
2390 2396                  if ((npools = pool_list_count(list)) == 0)
2391 2397                          break;
2392 2398  
2393 2399                  /*
2394 2400                   * Refresh all statistics.  This is done as an explicit step
2395 2401                   * before calculating the maximum name width, so that any
2396 2402                   * configuration changes are properly accounted for.
2397 2403                   */
2398 2404                  (void) pool_list_iter(list, B_FALSE, refresh_iostat, &cb);
2399 2405  
2400 2406                  /*
2401 2407                   * Iterate over all pools to determine the maximum width
2402 2408                   * for the pool / device name column across all pools.
2403 2409                   */
2404 2410                  cb.cb_namewidth = 0;
2405 2411                  (void) pool_list_iter(list, B_FALSE, get_namewidth, &cb);
2406 2412  
2407 2413                  if (timestamp_fmt != NODATE)
2408 2414                          print_timestamp(timestamp_fmt);
2409 2415  
2410 2416                  /*
2411 2417                   * If it's the first time, or verbose mode, print the header.
2412 2418                   */
2413 2419                  if (++cb.cb_iteration == 1 || verbose)
2414 2420                          print_iostat_header(&cb);
2415 2421  
2416 2422                  (void) pool_list_iter(list, B_FALSE, print_iostat, &cb);
2417 2423  
2418 2424                  /*
2419 2425                   * If there's more than one pool, and we're not in verbose mode
2420 2426                   * (which prints a separator for us), then print a separator.
2421 2427                   */
2422 2428                  if (npools > 1 && !verbose)
2423 2429                          print_iostat_separator(&cb);
2424 2430  
2425 2431                  if (verbose)
2426 2432                          (void) printf("\n");
2427 2433  
2428 2434                  /*
2429 2435                   * Flush the output so that redirection to a file isn't buffered
2430 2436                   * indefinitely.
2431 2437                   */
2432 2438                  (void) fflush(stdout);
2433 2439  
2434 2440                  if (interval == 0)
2435 2441                          break;
2436 2442  
2437 2443                  if (count != 0 && --count == 0)
2438 2444                          break;
2439 2445  
2440 2446                  (void) sleep(interval);
2441 2447          }
2442 2448  
2443 2449          pool_list_free(list);
2444 2450  
2445 2451          return (ret);
2446 2452  }
2447 2453  
2448 2454  typedef struct list_cbdata {
2449 2455          boolean_t       cb_scripted;
2450 2456          boolean_t       cb_first;
2451 2457          zprop_list_t    *cb_proplist;
2452 2458  } list_cbdata_t;
2453 2459  
2454 2460  /*
2455 2461   * Given a list of columns to display, output appropriate headers for each one.
2456 2462   */
2457 2463  static void
2458 2464  print_header(zprop_list_t *pl)
2459 2465  {
2460 2466          const char *header;
2461 2467          boolean_t first = B_TRUE;
2462 2468          boolean_t right_justify;
2463 2469  
2464 2470          for (; pl != NULL; pl = pl->pl_next) {
2465 2471                  if (pl->pl_prop == ZPROP_INVAL)
2466 2472                          continue;
2467 2473  
2468 2474                  if (!first)
2469 2475                          (void) printf("  ");
2470 2476                  else
2471 2477                          first = B_FALSE;
2472 2478  
2473 2479                  header = zpool_prop_column_name(pl->pl_prop);
2474 2480                  right_justify = zpool_prop_align_right(pl->pl_prop);
2475 2481  
2476 2482                  if (pl->pl_next == NULL && !right_justify)
2477 2483                          (void) printf("%s", header);
2478 2484                  else if (right_justify)
2479 2485                          (void) printf("%*s", pl->pl_width, header);
2480 2486                  else
2481 2487                          (void) printf("%-*s", pl->pl_width, header);
2482 2488          }
2483 2489  
2484 2490          (void) printf("\n");
2485 2491  }
2486 2492  
2487 2493  /*
2488 2494   * Given a pool and a list of properties, print out all the properties according
2489 2495   * to the described layout.
2490 2496   */
2491 2497  static void
2492 2498  print_pool(zpool_handle_t *zhp, zprop_list_t *pl, int scripted)
2493 2499  {
2494 2500          boolean_t first = B_TRUE;
2495 2501          char property[ZPOOL_MAXPROPLEN];
2496 2502          char *propstr;
2497 2503          boolean_t right_justify;
2498 2504          int width;
2499 2505  
2500 2506          for (; pl != NULL; pl = pl->pl_next) {
2501 2507                  if (!first) {
2502 2508                          if (scripted)
2503 2509                                  (void) printf("\t");
2504 2510                          else
2505 2511                                  (void) printf("  ");
2506 2512                  } else {
2507 2513                          first = B_FALSE;
2508 2514                  }
2509 2515  
2510 2516                  right_justify = B_FALSE;
2511 2517                  if (pl->pl_prop != ZPROP_INVAL) {
2512 2518                          if (zpool_get_prop(zhp, pl->pl_prop, property,
2513 2519                              sizeof (property), NULL) != 0)
2514 2520                                  propstr = "-";
2515 2521                          else
2516 2522                                  propstr = property;
2517 2523  
2518 2524                          right_justify = zpool_prop_align_right(pl->pl_prop);
2519 2525                  } else {
2520 2526                          propstr = "-";
2521 2527                  }
2522 2528  
2523 2529                  width = pl->pl_width;
2524 2530  
2525 2531                  /*
2526 2532                   * If this is being called in scripted mode, or if this is the
2527 2533                   * last column and it is left-justified, don't include a width
2528 2534                   * format specifier.
2529 2535                   */
2530 2536                  if (scripted || (pl->pl_next == NULL && !right_justify))
2531 2537                          (void) printf("%s", propstr);
2532 2538                  else if (right_justify)
2533 2539                          (void) printf("%*s", width, propstr);
2534 2540                  else
2535 2541                          (void) printf("%-*s", width, propstr);
2536 2542          }
2537 2543  
2538 2544          (void) printf("\n");
2539 2545  }
2540 2546  
2541 2547  /*
2542 2548   * Generic callback function to list a pool.
2543 2549   */
2544 2550  int
2545 2551  list_callback(zpool_handle_t *zhp, void *data)
2546 2552  {
2547 2553          list_cbdata_t *cbp = data;
2548 2554  
2549 2555          if (cbp->cb_first) {
2550 2556                  if (!cbp->cb_scripted)
2551 2557                          print_header(cbp->cb_proplist);
2552 2558                  cbp->cb_first = B_FALSE;
2553 2559          }
2554 2560  
2555 2561          print_pool(zhp, cbp->cb_proplist, cbp->cb_scripted);
2556 2562  
2557 2563          return (0);
2558 2564  }
2559 2565  
2560 2566  /*
2561 2567   * zpool list [-H] [-o prop[,prop]*] [-T d|u] [pool] ... [interval [count]]
2562 2568   *
2563 2569   *      -H      Scripted mode.  Don't display headers, and separate properties
2564 2570   *              by a single tab.
2565 2571   *      -o      List of properties to display.  Defaults to
2566 2572   *              "name,size,allocated,free,capacity,health,altroot"
2567 2573   *      -T      Display a timestamp in date(1) or Unix format
2568 2574   *
2569 2575   * List all pools in the system, whether or not they're healthy.  Output space
2570 2576   * statistics for each one, as well as health status summary.
2571 2577   */
2572 2578  int
2573 2579  zpool_do_list(int argc, char **argv)
2574 2580  {
2575 2581          int c;
2576 2582          int ret;
2577 2583          list_cbdata_t cb = { 0 };
2578 2584          static char default_props[] =
2579 2585              "name,size,allocated,free,capacity,dedupratio,health,altroot";
2580 2586          char *props = default_props;
2581 2587          unsigned long interval = 0, count = 0;
2582 2588  
2583 2589          /* check options */
2584 2590          while ((c = getopt(argc, argv, ":Ho:T:")) != -1) {
2585 2591                  switch (c) {
2586 2592                  case 'H':
2587 2593                          cb.cb_scripted = B_TRUE;
2588 2594                          break;
2589 2595                  case 'o':
2590 2596                          props = optarg;
2591 2597                          break;
2592 2598                  case 'T':
2593 2599                          get_timestamp_arg(*optarg);
2594 2600                          break;
2595 2601                  case ':':
2596 2602                          (void) fprintf(stderr, gettext("missing argument for "
2597 2603                              "'%c' option\n"), optopt);
2598 2604                          usage(B_FALSE);
2599 2605                          break;
2600 2606                  case '?':
2601 2607                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2602 2608                              optopt);
2603 2609                          usage(B_FALSE);
2604 2610                  }
2605 2611          }
2606 2612  
2607 2613          argc -= optind;
2608 2614          argv += optind;
2609 2615  
2610 2616          get_interval_count(&argc, argv, &interval, &count);
2611 2617  
2612 2618          if (zprop_get_list(g_zfs, props, &cb.cb_proplist, ZFS_TYPE_POOL) != 0)
2613 2619                  usage(B_FALSE);
2614 2620  
2615 2621          cb.cb_first = B_TRUE;
2616 2622  
2617 2623          for (;;) {
2618 2624  
2619 2625                  if (timestamp_fmt != NODATE)
2620 2626                          print_timestamp(timestamp_fmt);
2621 2627  
2622 2628                  ret = for_each_pool(argc, argv, B_TRUE, &cb.cb_proplist,
2623 2629                      list_callback, &cb);
2624 2630  
2625 2631                  if (argc == 0 && cb.cb_first && !cb.cb_scripted) {
2626 2632                          (void) printf(gettext("no pools available\n"));
2627 2633                          zprop_free_list(cb.cb_proplist);
2628 2634                          return (0);
2629 2635                  }
2630 2636  
2631 2637                  if (interval == 0)
2632 2638                          break;
2633 2639  
2634 2640                  if (count != 0 && --count == 0)
2635 2641                          break;
2636 2642  
2637 2643                  (void) sleep(interval);
2638 2644          }
2639 2645  
2640 2646          zprop_free_list(cb.cb_proplist);
2641 2647          return (ret);
2642 2648  }
2643 2649  
2644 2650  static nvlist_t *
2645 2651  zpool_get_vdev_by_name(nvlist_t *nv, char *name)
2646 2652  {
2647 2653          nvlist_t **child;
2648 2654          uint_t c, children;
2649 2655          nvlist_t *match;
2650 2656          char *path;
2651 2657  
2652 2658          if (nvlist_lookup_nvlist_array(nv, ZPOOL_CONFIG_CHILDREN,
2653 2659              &child, &children) != 0) {
2654 2660                  verify(nvlist_lookup_string(nv, ZPOOL_CONFIG_PATH, &path) == 0);
2655 2661                  if (strncmp(name, "/dev/dsk/", 9) == 0)
2656 2662                          name += 9;
2657 2663                  if (strncmp(path, "/dev/dsk/", 9) == 0)
2658 2664                          path += 9;
2659 2665                  if (strcmp(name, path) == 0)
2660 2666                          return (nv);
2661 2667                  return (NULL);
2662 2668          }
2663 2669  
2664 2670          for (c = 0; c < children; c++)
2665 2671                  if ((match = zpool_get_vdev_by_name(child[c], name)) != NULL)
2666 2672                          return (match);
2667 2673  
2668 2674          return (NULL);
2669 2675  }
2670 2676  
2671 2677  static int
2672 2678  zpool_do_attach_or_replace(int argc, char **argv, int replacing)
2673 2679  {
2674 2680          boolean_t force = B_FALSE;
2675 2681          int c;
2676 2682          nvlist_t *nvroot;
2677 2683          char *poolname, *old_disk, *new_disk;
2678 2684          zpool_handle_t *zhp;
2679 2685          int ret;
2680 2686  
2681 2687          /* check options */
2682 2688          while ((c = getopt(argc, argv, "f")) != -1) {
2683 2689                  switch (c) {
2684 2690                  case 'f':
2685 2691                          force = B_TRUE;
2686 2692                          break;
2687 2693                  case '?':
2688 2694                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2689 2695                              optopt);
2690 2696                          usage(B_FALSE);
2691 2697                  }
2692 2698          }
2693 2699  
2694 2700          argc -= optind;
2695 2701          argv += optind;
2696 2702  
2697 2703          /* get pool name and check number of arguments */
2698 2704          if (argc < 1) {
2699 2705                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
2700 2706                  usage(B_FALSE);
2701 2707          }
2702 2708  
2703 2709          poolname = argv[0];
2704 2710  
2705 2711          if (argc < 2) {
2706 2712                  (void) fprintf(stderr,
2707 2713                      gettext("missing <device> specification\n"));
2708 2714                  usage(B_FALSE);
2709 2715          }
2710 2716  
2711 2717          old_disk = argv[1];
2712 2718  
2713 2719          if (argc < 3) {
2714 2720                  if (!replacing) {
2715 2721                          (void) fprintf(stderr,
2716 2722                              gettext("missing <new_device> specification\n"));
2717 2723                          usage(B_FALSE);
2718 2724                  }
2719 2725                  new_disk = old_disk;
2720 2726                  argc -= 1;
2721 2727                  argv += 1;
2722 2728          } else {
2723 2729                  new_disk = argv[2];
2724 2730                  argc -= 2;
2725 2731                  argv += 2;
2726 2732          }
2727 2733  
2728 2734          if (argc > 1) {
2729 2735                  (void) fprintf(stderr, gettext("too many arguments\n"));
2730 2736                  usage(B_FALSE);
2731 2737          }
2732 2738  
2733 2739          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
2734 2740                  return (1);
2735 2741  
2736 2742          if (zpool_get_config(zhp, NULL) == NULL) {
2737 2743                  (void) fprintf(stderr, gettext("pool '%s' is unavailable\n"),
2738 2744                      poolname);
2739 2745                  zpool_close(zhp);
2740 2746                  return (1);
2741 2747          }
2742 2748  
2743 2749          nvroot = make_root_vdev(zhp, force, B_FALSE, replacing, B_FALSE,
2744 2750              argc, argv);
2745 2751          if (nvroot == NULL) {
2746 2752                  zpool_close(zhp);
2747 2753                  return (1);
2748 2754          }
2749 2755  
2750 2756          ret = zpool_vdev_attach(zhp, old_disk, new_disk, nvroot, replacing);
2751 2757  
2752 2758          nvlist_free(nvroot);
2753 2759          zpool_close(zhp);
2754 2760  
2755 2761          return (ret);
2756 2762  }
2757 2763  
2758 2764  /*
2759 2765   * zpool replace [-f] <pool> <device> <new_device>
2760 2766   *
2761 2767   *      -f      Force attach, even if <new_device> appears to be in use.
2762 2768   *
2763 2769   * Replace <device> with <new_device>.
2764 2770   */
2765 2771  /* ARGSUSED */
2766 2772  int
2767 2773  zpool_do_replace(int argc, char **argv)
2768 2774  {
2769 2775          return (zpool_do_attach_or_replace(argc, argv, B_TRUE));
2770 2776  }
2771 2777  
2772 2778  /*
2773 2779   * zpool attach [-f] <pool> <device> <new_device>
2774 2780   *
2775 2781   *      -f      Force attach, even if <new_device> appears to be in use.
2776 2782   *
2777 2783   * Attach <new_device> to the mirror containing <device>.  If <device> is not
2778 2784   * part of a mirror, then <device> will be transformed into a mirror of
2779 2785   * <device> and <new_device>.  In either case, <new_device> will begin life
2780 2786   * with a DTL of [0, now], and will immediately begin to resilver itself.
2781 2787   */
2782 2788  int
2783 2789  zpool_do_attach(int argc, char **argv)
2784 2790  {
2785 2791          return (zpool_do_attach_or_replace(argc, argv, B_FALSE));
2786 2792  }
2787 2793  
2788 2794  /*
2789 2795   * zpool detach [-f] <pool> <device>
2790 2796   *
2791 2797   *      -f      Force detach of <device>, even if DTLs argue against it
2792 2798   *              (not supported yet)
2793 2799   *
2794 2800   * Detach a device from a mirror.  The operation will be refused if <device>
2795 2801   * is the last device in the mirror, or if the DTLs indicate that this device
2796 2802   * has the only valid copy of some data.
2797 2803   */
2798 2804  /* ARGSUSED */
2799 2805  int
2800 2806  zpool_do_detach(int argc, char **argv)
2801 2807  {
2802 2808          int c;
2803 2809          char *poolname, *path;
2804 2810          zpool_handle_t *zhp;
2805 2811          int ret;
2806 2812  
2807 2813          /* check options */
2808 2814          while ((c = getopt(argc, argv, "f")) != -1) {
2809 2815                  switch (c) {
2810 2816                  case 'f':
2811 2817                  case '?':
2812 2818                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2813 2819                              optopt);
2814 2820                          usage(B_FALSE);
2815 2821                  }
2816 2822          }
2817 2823  
2818 2824          argc -= optind;
2819 2825          argv += optind;
2820 2826  
2821 2827          /* get pool name and check number of arguments */
2822 2828          if (argc < 1) {
2823 2829                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
2824 2830                  usage(B_FALSE);
2825 2831          }
2826 2832  
2827 2833          if (argc < 2) {
2828 2834                  (void) fprintf(stderr,
2829 2835                      gettext("missing <device> specification\n"));
2830 2836                  usage(B_FALSE);
2831 2837          }
2832 2838  
2833 2839          poolname = argv[0];
2834 2840          path = argv[1];
2835 2841  
2836 2842          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
2837 2843                  return (1);
2838 2844  
2839 2845          ret = zpool_vdev_detach(zhp, path);
2840 2846  
2841 2847          zpool_close(zhp);
2842 2848  
2843 2849          return (ret);
2844 2850  }
2845 2851  
2846 2852  /*
2847 2853   * zpool split [-n] [-o prop=val] ...
2848 2854   *              [-o mntopt] ...
2849 2855   *              [-R altroot] <pool> <newpool> [<device> ...]
2850 2856   *
2851 2857   *      -n      Do not split the pool, but display the resulting layout if
2852 2858   *              it were to be split.
2853 2859   *      -o      Set property=value, or set mount options.
2854 2860   *      -R      Mount the split-off pool under an alternate root.
2855 2861   *
2856 2862   * Splits the named pool and gives it the new pool name.  Devices to be split
2857 2863   * off may be listed, provided that no more than one device is specified
2858 2864   * per top-level vdev mirror.  The newly split pool is left in an exported
2859 2865   * state unless -R is specified.
2860 2866   *
2861 2867   * Restrictions: the top-level of the pool pool must only be made up of
2862 2868   * mirrors; all devices in the pool must be healthy; no device may be
2863 2869   * undergoing a resilvering operation.
2864 2870   */
2865 2871  int
2866 2872  zpool_do_split(int argc, char **argv)
2867 2873  {
2868 2874          char *srcpool, *newpool, *propval;
2869 2875          char *mntopts = NULL;
2870 2876          splitflags_t flags;
2871 2877          int c, ret = 0;
2872 2878          zpool_handle_t *zhp;
2873 2879          nvlist_t *config, *props = NULL;
2874 2880  
2875 2881          flags.dryrun = B_FALSE;
2876 2882          flags.import = B_FALSE;
2877 2883  
2878 2884          /* check options */
2879 2885          while ((c = getopt(argc, argv, ":R:no:")) != -1) {
2880 2886                  switch (c) {
2881 2887                  case 'R':
2882 2888                          flags.import = B_TRUE;
2883 2889                          if (add_prop_list(
2884 2890                              zpool_prop_to_name(ZPOOL_PROP_ALTROOT), optarg,
2885 2891                              &props, B_TRUE) != 0) {
2886 2892                                  if (props)
2887 2893                                          nvlist_free(props);
2888 2894                                  usage(B_FALSE);
2889 2895                          }
2890 2896                          break;
2891 2897                  case 'n':
2892 2898                          flags.dryrun = B_TRUE;
2893 2899                          break;
2894 2900                  case 'o':
2895 2901                          if ((propval = strchr(optarg, '=')) != NULL) {
2896 2902                                  *propval = '\0';
2897 2903                                  propval++;
2898 2904                                  if (add_prop_list(optarg, propval,
2899 2905                                      &props, B_TRUE) != 0) {
2900 2906                                          if (props)
2901 2907                                                  nvlist_free(props);
2902 2908                                          usage(B_FALSE);
2903 2909                                  }
2904 2910                          } else {
2905 2911                                  mntopts = optarg;
2906 2912                          }
2907 2913                          break;
2908 2914                  case ':':
2909 2915                          (void) fprintf(stderr, gettext("missing argument for "
2910 2916                              "'%c' option\n"), optopt);
2911 2917                          usage(B_FALSE);
2912 2918                          break;
2913 2919                  case '?':
2914 2920                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
2915 2921                              optopt);
2916 2922                          usage(B_FALSE);
2917 2923                          break;
2918 2924                  }
2919 2925          }
2920 2926  
2921 2927          if (!flags.import && mntopts != NULL) {
2922 2928                  (void) fprintf(stderr, gettext("setting mntopts is only "
2923 2929                      "valid when importing the pool\n"));
2924 2930                  usage(B_FALSE);
2925 2931          }
2926 2932  
2927 2933          argc -= optind;
2928 2934          argv += optind;
2929 2935  
2930 2936          if (argc < 1) {
2931 2937                  (void) fprintf(stderr, gettext("Missing pool name\n"));
2932 2938                  usage(B_FALSE);
2933 2939          }
2934 2940          if (argc < 2) {
2935 2941                  (void) fprintf(stderr, gettext("Missing new pool name\n"));
2936 2942                  usage(B_FALSE);
2937 2943          }
2938 2944  
2939 2945          srcpool = argv[0];
2940 2946          newpool = argv[1];
2941 2947  
2942 2948          argc -= 2;
2943 2949          argv += 2;
2944 2950  
2945 2951          if ((zhp = zpool_open(g_zfs, srcpool)) == NULL)
2946 2952                  return (1);
2947 2953  
2948 2954          config = split_mirror_vdev(zhp, newpool, props, flags, argc, argv);
2949 2955          if (config == NULL) {
2950 2956                  ret = 1;
2951 2957          } else {
2952 2958                  if (flags.dryrun) {
2953 2959                          (void) printf(gettext("would create '%s' with the "
2954 2960                              "following layout:\n\n"), newpool);
2955 2961                          print_vdev_tree(NULL, newpool, config, 0, B_FALSE);
2956 2962                  }
2957 2963                  nvlist_free(config);
2958 2964          }
2959 2965  
2960 2966          zpool_close(zhp);
2961 2967  
2962 2968          if (ret != 0 || flags.dryrun || !flags.import)
2963 2969                  return (ret);
2964 2970  
2965 2971          /*
2966 2972           * The split was successful. Now we need to open the new
2967 2973           * pool and import it.
2968 2974           */
2969 2975          if ((zhp = zpool_open_canfail(g_zfs, newpool)) == NULL)
2970 2976                  return (1);
2971 2977          if (zpool_get_state(zhp) != POOL_STATE_UNAVAIL &&
2972 2978              zpool_enable_datasets(zhp, mntopts, 0) != 0) {
2973 2979                  ret = 1;
2974 2980                  (void) fprintf(stderr, gettext("Split was succssful, but "
2975 2981                      "the datasets could not all be mounted\n"));
2976 2982                  (void) fprintf(stderr, gettext("Try doing '%s' with a "
2977 2983                      "different altroot\n"), "zpool import");
2978 2984          }
2979 2985          zpool_close(zhp);
2980 2986  
2981 2987          return (ret);
2982 2988  }
2983 2989  
2984 2990  
2985 2991  
2986 2992  /*
2987 2993   * zpool online <pool> <device> ...
2988 2994   */
2989 2995  int
2990 2996  zpool_do_online(int argc, char **argv)
2991 2997  {
2992 2998          int c, i;
2993 2999          char *poolname;
2994 3000          zpool_handle_t *zhp;
2995 3001          int ret = 0;
2996 3002          vdev_state_t newstate;
2997 3003          int flags = 0;
2998 3004  
2999 3005          /* check options */
3000 3006          while ((c = getopt(argc, argv, "et")) != -1) {
3001 3007                  switch (c) {
3002 3008                  case 'e':
3003 3009                          flags |= ZFS_ONLINE_EXPAND;
3004 3010                          break;
3005 3011                  case 't':
3006 3012                  case '?':
3007 3013                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3008 3014                              optopt);
3009 3015                          usage(B_FALSE);
3010 3016                  }
3011 3017          }
3012 3018  
3013 3019          argc -= optind;
3014 3020          argv += optind;
3015 3021  
3016 3022          /* get pool name and check number of arguments */
3017 3023          if (argc < 1) {
3018 3024                  (void) fprintf(stderr, gettext("missing pool name\n"));
3019 3025                  usage(B_FALSE);
3020 3026          }
3021 3027          if (argc < 2) {
3022 3028                  (void) fprintf(stderr, gettext("missing device name\n"));
3023 3029                  usage(B_FALSE);
3024 3030          }
3025 3031  
3026 3032          poolname = argv[0];
3027 3033  
3028 3034          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3029 3035                  return (1);
3030 3036  
3031 3037          for (i = 1; i < argc; i++) {
3032 3038                  if (zpool_vdev_online(zhp, argv[i], flags, &newstate) == 0) {
3033 3039                          if (newstate != VDEV_STATE_HEALTHY) {
3034 3040                                  (void) printf(gettext("warning: device '%s' "
3035 3041                                      "onlined, but remains in faulted state\n"),
3036 3042                                      argv[i]);
3037 3043                                  if (newstate == VDEV_STATE_FAULTED)
3038 3044                                          (void) printf(gettext("use 'zpool "
3039 3045                                              "clear' to restore a faulted "
3040 3046                                              "device\n"));
3041 3047                                  else
3042 3048                                          (void) printf(gettext("use 'zpool "
3043 3049                                              "replace' to replace devices "
3044 3050                                              "that are no longer present\n"));
3045 3051                          }
3046 3052                  } else {
3047 3053                          ret = 1;
3048 3054                  }
3049 3055          }
3050 3056  
3051 3057          zpool_close(zhp);
3052 3058  
3053 3059          return (ret);
3054 3060  }
3055 3061  
3056 3062  /*
3057 3063   * zpool offline [-ft] <pool> <device> ...
3058 3064   *
3059 3065   *      -f      Force the device into the offline state, even if doing
3060 3066   *              so would appear to compromise pool availability.
3061 3067   *              (not supported yet)
3062 3068   *
3063 3069   *      -t      Only take the device off-line temporarily.  The offline
3064 3070   *              state will not be persistent across reboots.
3065 3071   */
3066 3072  /* ARGSUSED */
3067 3073  int
3068 3074  zpool_do_offline(int argc, char **argv)
3069 3075  {
3070 3076          int c, i;
3071 3077          char *poolname;
3072 3078          zpool_handle_t *zhp;
3073 3079          int ret = 0;
3074 3080          boolean_t istmp = B_FALSE;
3075 3081  
3076 3082          /* check options */
3077 3083          while ((c = getopt(argc, argv, "ft")) != -1) {
3078 3084                  switch (c) {
3079 3085                  case 't':
3080 3086                          istmp = B_TRUE;
3081 3087                          break;
3082 3088                  case 'f':
3083 3089                  case '?':
3084 3090                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3085 3091                              optopt);
3086 3092                          usage(B_FALSE);
3087 3093                  }
3088 3094          }
3089 3095  
3090 3096          argc -= optind;
3091 3097          argv += optind;
3092 3098  
3093 3099          /* get pool name and check number of arguments */
3094 3100          if (argc < 1) {
3095 3101                  (void) fprintf(stderr, gettext("missing pool name\n"));
3096 3102                  usage(B_FALSE);
3097 3103          }
3098 3104          if (argc < 2) {
3099 3105                  (void) fprintf(stderr, gettext("missing device name\n"));
3100 3106                  usage(B_FALSE);
3101 3107          }
3102 3108  
3103 3109          poolname = argv[0];
3104 3110  
3105 3111          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3106 3112                  return (1);
3107 3113  
3108 3114          for (i = 1; i < argc; i++) {
3109 3115                  if (zpool_vdev_offline(zhp, argv[i], istmp) != 0)
3110 3116                          ret = 1;
3111 3117          }
3112 3118  
3113 3119          zpool_close(zhp);
3114 3120  
3115 3121          return (ret);
3116 3122  }
3117 3123  
3118 3124  /*
3119 3125   * zpool clear <pool> [device]
3120 3126   *
3121 3127   * Clear all errors associated with a pool or a particular device.
3122 3128   */
3123 3129  int
3124 3130  zpool_do_clear(int argc, char **argv)
3125 3131  {
3126 3132          int c;
3127 3133          int ret = 0;
3128 3134          boolean_t dryrun = B_FALSE;
3129 3135          boolean_t do_rewind = B_FALSE;
3130 3136          boolean_t xtreme_rewind = B_FALSE;
3131 3137          uint32_t rewind_policy = ZPOOL_NO_REWIND;
3132 3138          nvlist_t *policy = NULL;
3133 3139          zpool_handle_t *zhp;
3134 3140          char *pool, *device;
3135 3141  
3136 3142          /* check options */
3137 3143          while ((c = getopt(argc, argv, "FnX")) != -1) {
3138 3144                  switch (c) {
3139 3145                  case 'F':
3140 3146                          do_rewind = B_TRUE;
3141 3147                          break;
3142 3148                  case 'n':
3143 3149                          dryrun = B_TRUE;
3144 3150                          break;
3145 3151                  case 'X':
3146 3152                          xtreme_rewind = B_TRUE;
3147 3153                          break;
3148 3154                  case '?':
3149 3155                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3150 3156                              optopt);
3151 3157                          usage(B_FALSE);
3152 3158                  }
3153 3159          }
3154 3160  
3155 3161          argc -= optind;
3156 3162          argv += optind;
3157 3163  
3158 3164          if (argc < 1) {
3159 3165                  (void) fprintf(stderr, gettext("missing pool name\n"));
3160 3166                  usage(B_FALSE);
3161 3167          }
3162 3168  
3163 3169          if (argc > 2) {
3164 3170                  (void) fprintf(stderr, gettext("too many arguments\n"));
3165 3171                  usage(B_FALSE);
3166 3172          }
3167 3173  
3168 3174          if ((dryrun || xtreme_rewind) && !do_rewind) {
3169 3175                  (void) fprintf(stderr,
3170 3176                      gettext("-n or -X only meaningful with -F\n"));
3171 3177                  usage(B_FALSE);
3172 3178          }
3173 3179          if (dryrun)
3174 3180                  rewind_policy = ZPOOL_TRY_REWIND;
3175 3181          else if (do_rewind)
3176 3182                  rewind_policy = ZPOOL_DO_REWIND;
3177 3183          if (xtreme_rewind)
3178 3184                  rewind_policy |= ZPOOL_EXTREME_REWIND;
3179 3185  
3180 3186          /* In future, further rewind policy choices can be passed along here */
3181 3187          if (nvlist_alloc(&policy, NV_UNIQUE_NAME, 0) != 0 ||
3182 3188              nvlist_add_uint32(policy, ZPOOL_REWIND_REQUEST, rewind_policy) != 0)
3183 3189                  return (1);
3184 3190  
3185 3191          pool = argv[0];
3186 3192          device = argc == 2 ? argv[1] : NULL;
3187 3193  
3188 3194          if ((zhp = zpool_open_canfail(g_zfs, pool)) == NULL) {
3189 3195                  nvlist_free(policy);
3190 3196                  return (1);
3191 3197          }
3192 3198  
3193 3199          if (zpool_clear(zhp, device, policy) != 0)
3194 3200                  ret = 1;
3195 3201  
3196 3202          zpool_close(zhp);
3197 3203  
3198 3204          nvlist_free(policy);
3199 3205  
3200 3206          return (ret);
3201 3207  }
3202 3208  
3203 3209  /*
3204 3210   * zpool reguid <pool>
3205 3211   */
3206 3212  int
3207 3213  zpool_do_reguid(int argc, char **argv)
3208 3214  {
3209 3215          int c;
3210 3216          char *poolname;
3211 3217          zpool_handle_t *zhp;
3212 3218          int ret = 0;
3213 3219  
3214 3220          /* check options */
3215 3221          while ((c = getopt(argc, argv, "")) != -1) {
3216 3222                  switch (c) {
3217 3223                  case '?':
3218 3224                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3219 3225                              optopt);
3220 3226                          usage(B_FALSE);
3221 3227                  }
3222 3228          }
3223 3229  
3224 3230          argc -= optind;
3225 3231          argv += optind;
3226 3232  
3227 3233          /* get pool name and check number of arguments */
3228 3234          if (argc < 1) {
3229 3235                  (void) fprintf(stderr, gettext("missing pool name\n"));
3230 3236                  usage(B_FALSE);
3231 3237          }
3232 3238  
3233 3239          if (argc > 1) {
3234 3240                  (void) fprintf(stderr, gettext("too many arguments\n"));
3235 3241                  usage(B_FALSE);
3236 3242          }
3237 3243  
3238 3244          poolname = argv[0];
3239 3245          if ((zhp = zpool_open(g_zfs, poolname)) == NULL)
3240 3246                  return (1);
3241 3247  
3242 3248          ret = zpool_reguid(zhp);
3243 3249  
3244 3250          zpool_close(zhp);
3245 3251          return (ret);
3246 3252  }
3247 3253  
3248 3254  
3249 3255  typedef struct scrub_cbdata {
3250 3256          int     cb_type;
3251 3257          int     cb_argc;
3252 3258          char    **cb_argv;
3253 3259  } scrub_cbdata_t;
3254 3260  
3255 3261  int
3256 3262  scrub_callback(zpool_handle_t *zhp, void *data)
3257 3263  {
3258 3264          scrub_cbdata_t *cb = data;
3259 3265          int err;
3260 3266  
3261 3267          /*
3262 3268           * Ignore faulted pools.
3263 3269           */
3264 3270          if (zpool_get_state(zhp) == POOL_STATE_UNAVAIL) {
3265 3271                  (void) fprintf(stderr, gettext("cannot scrub '%s': pool is "
3266 3272                      "currently unavailable\n"), zpool_get_name(zhp));
3267 3273                  return (1);
3268 3274          }
3269 3275  
3270 3276          err = zpool_scan(zhp, cb->cb_type);
3271 3277  
3272 3278          return (err != 0);
3273 3279  }
3274 3280  
3275 3281  /*
3276 3282   * zpool scrub [-s] <pool> ...
3277 3283   *
3278 3284   *      -s      Stop.  Stops any in-progress scrub.
3279 3285   */
3280 3286  int
3281 3287  zpool_do_scrub(int argc, char **argv)
3282 3288  {
3283 3289          int c;
3284 3290          scrub_cbdata_t cb;
3285 3291  
3286 3292          cb.cb_type = POOL_SCAN_SCRUB;
3287 3293  
3288 3294          /* check options */
3289 3295          while ((c = getopt(argc, argv, "s")) != -1) {
3290 3296                  switch (c) {
3291 3297                  case 's':
3292 3298                          cb.cb_type = POOL_SCAN_NONE;
3293 3299                          break;
3294 3300                  case '?':
3295 3301                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3296 3302                              optopt);
3297 3303                          usage(B_FALSE);
3298 3304                  }
3299 3305          }
3300 3306  
3301 3307          cb.cb_argc = argc;
3302 3308          cb.cb_argv = argv;
3303 3309          argc -= optind;
3304 3310          argv += optind;
3305 3311  
3306 3312          if (argc < 1) {
3307 3313                  (void) fprintf(stderr, gettext("missing pool name argument\n"));
3308 3314                  usage(B_FALSE);
3309 3315          }
3310 3316  
3311 3317          return (for_each_pool(argc, argv, B_TRUE, NULL, scrub_callback, &cb));
3312 3318  }
3313 3319  
3314 3320  typedef struct status_cbdata {
3315 3321          int             cb_count;
3316 3322          boolean_t       cb_allpools;
3317 3323          boolean_t       cb_verbose;
3318 3324          boolean_t       cb_explain;
3319 3325          boolean_t       cb_first;
3320 3326          boolean_t       cb_dedup_stats;
3321 3327  } status_cbdata_t;
3322 3328  
3323 3329  /*
3324 3330   * Print out detailed scrub status.
3325 3331   */
3326 3332  void
3327 3333  print_scan_status(pool_scan_stat_t *ps)
3328 3334  {
3329 3335          time_t start, end;
3330 3336          uint64_t elapsed, mins_left, hours_left;
3331 3337          uint64_t pass_exam, examined, total;
3332 3338          uint_t rate;
3333 3339          double fraction_done;
3334 3340          char processed_buf[7], examined_buf[7], total_buf[7], rate_buf[7];
3335 3341  
3336 3342          (void) printf(gettext("  scan: "));
3337 3343  
3338 3344          /* If there's never been a scan, there's not much to say. */
3339 3345          if (ps == NULL || ps->pss_func == POOL_SCAN_NONE ||
3340 3346              ps->pss_func >= POOL_SCAN_FUNCS) {
3341 3347                  (void) printf(gettext("none requested\n"));
3342 3348                  return;
3343 3349          }
3344 3350  
3345 3351          start = ps->pss_start_time;
3346 3352          end = ps->pss_end_time;
3347 3353          zfs_nicenum(ps->pss_processed, processed_buf, sizeof (processed_buf));
3348 3354  
3349 3355          assert(ps->pss_func == POOL_SCAN_SCRUB ||
3350 3356              ps->pss_func == POOL_SCAN_RESILVER);
3351 3357          /*
3352 3358           * Scan is finished or canceled.
3353 3359           */
3354 3360          if (ps->pss_state == DSS_FINISHED) {
3355 3361                  uint64_t minutes_taken = (end - start) / 60;
3356 3362                  char *fmt;
3357 3363  
3358 3364                  if (ps->pss_func == POOL_SCAN_SCRUB) {
3359 3365                          fmt = gettext("scrub repaired %s in %lluh%um with "
3360 3366                              "%llu errors on %s");
3361 3367                  } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3362 3368                          fmt = gettext("resilvered %s in %lluh%um with "
3363 3369                              "%llu errors on %s");
3364 3370                  }
3365 3371                  /* LINTED */
3366 3372                  (void) printf(fmt, processed_buf,
3367 3373                      (u_longlong_t)(minutes_taken / 60),
3368 3374                      (uint_t)(minutes_taken % 60),
3369 3375                      (u_longlong_t)ps->pss_errors,
3370 3376                      ctime((time_t *)&end));
3371 3377                  return;
3372 3378          } else if (ps->pss_state == DSS_CANCELED) {
3373 3379                  if (ps->pss_func == POOL_SCAN_SCRUB) {
3374 3380                          (void) printf(gettext("scrub canceled on %s"),
3375 3381                              ctime(&end));
3376 3382                  } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3377 3383                          (void) printf(gettext("resilver canceled on %s"),
3378 3384                              ctime(&end));
3379 3385                  }
3380 3386                  return;
3381 3387          }
3382 3388  
3383 3389          assert(ps->pss_state == DSS_SCANNING);
3384 3390  
3385 3391          /*
3386 3392           * Scan is in progress.
3387 3393           */
3388 3394          if (ps->pss_func == POOL_SCAN_SCRUB) {
3389 3395                  (void) printf(gettext("scrub in progress since %s"),
3390 3396                      ctime(&start));
3391 3397          } else if (ps->pss_func == POOL_SCAN_RESILVER) {
3392 3398                  (void) printf(gettext("resilver in progress since %s"),
3393 3399                      ctime(&start));
3394 3400          }
3395 3401  
3396 3402          examined = ps->pss_examined ? ps->pss_examined : 1;
3397 3403          total = ps->pss_to_examine;
3398 3404          fraction_done = (double)examined / total;
3399 3405  
3400 3406          /* elapsed time for this pass */
3401 3407          elapsed = time(NULL) - ps->pss_pass_start;
3402 3408          elapsed = elapsed ? elapsed : 1;
3403 3409          pass_exam = ps->pss_pass_exam ? ps->pss_pass_exam : 1;
3404 3410          rate = pass_exam / elapsed;
3405 3411          rate = rate ? rate : 1;
3406 3412          mins_left = ((total - examined) / rate) / 60;
3407 3413          hours_left = mins_left / 60;
3408 3414  
3409 3415          zfs_nicenum(examined, examined_buf, sizeof (examined_buf));
3410 3416          zfs_nicenum(total, total_buf, sizeof (total_buf));
3411 3417          zfs_nicenum(rate, rate_buf, sizeof (rate_buf));
3412 3418  
3413 3419          /*
3414 3420           * do not print estimated time if hours_left is more than 30 days
3415 3421           */
3416 3422          (void) printf(gettext("    %s scanned out of %s at %s/s"),
3417 3423              examined_buf, total_buf, rate_buf);
3418 3424          if (hours_left < (30 * 24)) {
3419 3425                  (void) printf(gettext(", %lluh%um to go\n"),
3420 3426                      (u_longlong_t)hours_left, (uint_t)(mins_left % 60));
3421 3427          } else {
3422 3428                  (void) printf(gettext(
3423 3429                      ", (scan is slow, no estimated time)\n"));
3424 3430          }
3425 3431  
3426 3432          if (ps->pss_func == POOL_SCAN_RESILVER) {
3427 3433                  (void) printf(gettext("    %s resilvered, %.2f%% done\n"),
3428 3434                      processed_buf, 100 * fraction_done);
3429 3435          } else if (ps->pss_func == POOL_SCAN_SCRUB) {
3430 3436                  (void) printf(gettext("    %s repaired, %.2f%% done\n"),
3431 3437                      processed_buf, 100 * fraction_done);
3432 3438          }
3433 3439  }
3434 3440  
3435 3441  static void
3436 3442  print_error_log(zpool_handle_t *zhp)
3437 3443  {
3438 3444          nvlist_t *nverrlist = NULL;
3439 3445          nvpair_t *elem;
3440 3446          char *pathname;
3441 3447          size_t len = MAXPATHLEN * 2;
3442 3448  
3443 3449          if (zpool_get_errlog(zhp, &nverrlist) != 0) {
3444 3450                  (void) printf("errors: List of errors unavailable "
3445 3451                      "(insufficient privileges)\n");
3446 3452                  return;
3447 3453          }
3448 3454  
3449 3455          (void) printf("errors: Permanent errors have been "
3450 3456              "detected in the following files:\n\n");
3451 3457  
3452 3458          pathname = safe_malloc(len);
3453 3459          elem = NULL;
3454 3460          while ((elem = nvlist_next_nvpair(nverrlist, elem)) != NULL) {
3455 3461                  nvlist_t *nv;
3456 3462                  uint64_t dsobj, obj;
3457 3463  
3458 3464                  verify(nvpair_value_nvlist(elem, &nv) == 0);
3459 3465                  verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_DATASET,
3460 3466                      &dsobj) == 0);
3461 3467                  verify(nvlist_lookup_uint64(nv, ZPOOL_ERR_OBJECT,
3462 3468                      &obj) == 0);
3463 3469                  zpool_obj_to_path(zhp, dsobj, obj, pathname, len);
3464 3470                  (void) printf("%7s %s\n", "", pathname);
3465 3471          }
3466 3472          free(pathname);
3467 3473          nvlist_free(nverrlist);
3468 3474  }
3469 3475  
3470 3476  static void
3471 3477  print_spares(zpool_handle_t *zhp, nvlist_t **spares, uint_t nspares,
3472 3478      int namewidth)
3473 3479  {
3474 3480          uint_t i;
3475 3481          char *name;
3476 3482  
3477 3483          if (nspares == 0)
3478 3484                  return;
3479 3485  
3480 3486          (void) printf(gettext("\tspares\n"));
3481 3487  
3482 3488          for (i = 0; i < nspares; i++) {
3483 3489                  name = zpool_vdev_name(g_zfs, zhp, spares[i], B_FALSE);
3484 3490                  print_status_config(zhp, name, spares[i],
3485 3491                      namewidth, 2, B_TRUE);
3486 3492                  free(name);
3487 3493          }
3488 3494  }
3489 3495  
3490 3496  static void
3491 3497  print_l2cache(zpool_handle_t *zhp, nvlist_t **l2cache, uint_t nl2cache,
3492 3498      int namewidth)
3493 3499  {
3494 3500          uint_t i;
3495 3501          char *name;
3496 3502  
3497 3503          if (nl2cache == 0)
3498 3504                  return;
3499 3505  
3500 3506          (void) printf(gettext("\tcache\n"));
3501 3507  
3502 3508          for (i = 0; i < nl2cache; i++) {
3503 3509                  name = zpool_vdev_name(g_zfs, zhp, l2cache[i], B_FALSE);
3504 3510                  print_status_config(zhp, name, l2cache[i],
3505 3511                      namewidth, 2, B_FALSE);
3506 3512                  free(name);
3507 3513          }
3508 3514  }
3509 3515  
3510 3516  static void
3511 3517  print_dedup_stats(nvlist_t *config)
3512 3518  {
3513 3519          ddt_histogram_t *ddh;
3514 3520          ddt_stat_t *dds;
3515 3521          ddt_object_t *ddo;
3516 3522          uint_t c;
3517 3523  
3518 3524          /*
3519 3525           * If the pool was faulted then we may not have been able to
3520 3526           * obtain the config. Otherwise, if have anything in the dedup
3521 3527           * table continue processing the stats.
3522 3528           */
3523 3529          if (nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_OBJ_STATS,
3524 3530              (uint64_t **)&ddo, &c) != 0)
3525 3531                  return;
3526 3532  
3527 3533          (void) printf("\n");
3528 3534          (void) printf(gettext(" dedup: "));
3529 3535          if (ddo->ddo_count == 0) {
3530 3536                  (void) printf(gettext("no DDT entries\n"));
3531 3537                  return;
3532 3538          }
3533 3539  
3534 3540          (void) printf("DDT entries %llu, size %llu on disk, %llu in core\n",
3535 3541              (u_longlong_t)ddo->ddo_count,
3536 3542              (u_longlong_t)ddo->ddo_dspace,
3537 3543              (u_longlong_t)ddo->ddo_mspace);
3538 3544  
3539 3545          verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_STATS,
3540 3546              (uint64_t **)&dds, &c) == 0);
3541 3547          verify(nvlist_lookup_uint64_array(config, ZPOOL_CONFIG_DDT_HISTOGRAM,
3542 3548              (uint64_t **)&ddh, &c) == 0);
3543 3549          zpool_dump_ddt(dds, ddh);
3544 3550  }
3545 3551  
3546 3552  /*
3547 3553   * Display a summary of pool status.  Displays a summary such as:
3548 3554   *
3549 3555   *        pool: tank
3550 3556   *      status: DEGRADED
3551 3557   *      reason: One or more devices ...
3552 3558   *         see: http://www.sun.com/msg/ZFS-xxxx-01
3553 3559   *      config:
3554 3560   *              mirror          DEGRADED
3555 3561   *                c1t0d0        OK
3556 3562   *                c2t0d0        UNAVAIL
3557 3563   *
3558 3564   * When given the '-v' option, we print out the complete config.  If the '-e'
3559 3565   * option is specified, then we print out error rate information as well.
3560 3566   */
3561 3567  int
3562 3568  status_callback(zpool_handle_t *zhp, void *data)
3563 3569  {
3564 3570          status_cbdata_t *cbp = data;
3565 3571          nvlist_t *config, *nvroot;
3566 3572          char *msgid;
3567 3573          int reason;
3568 3574          const char *health;
3569 3575          uint_t c;
3570 3576          vdev_stat_t *vs;
3571 3577  
3572 3578          config = zpool_get_config(zhp, NULL);
3573 3579          reason = zpool_get_status(zhp, &msgid);
3574 3580  
3575 3581          cbp->cb_count++;
3576 3582  
3577 3583          /*
3578 3584           * If we were given 'zpool status -x', only report those pools with
3579 3585           * problems.
3580 3586           */
3581 3587          if (reason == ZPOOL_STATUS_OK && cbp->cb_explain) {
3582 3588                  if (!cbp->cb_allpools) {
3583 3589                          (void) printf(gettext("pool '%s' is healthy\n"),
3584 3590                              zpool_get_name(zhp));
3585 3591                          if (cbp->cb_first)
3586 3592                                  cbp->cb_first = B_FALSE;
3587 3593                  }
3588 3594                  return (0);
3589 3595          }
3590 3596  
3591 3597          if (cbp->cb_first)
3592 3598                  cbp->cb_first = B_FALSE;
3593 3599          else
3594 3600                  (void) printf("\n");
3595 3601  
3596 3602          verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_VDEV_TREE,
3597 3603              &nvroot) == 0);
3598 3604          verify(nvlist_lookup_uint64_array(nvroot, ZPOOL_CONFIG_VDEV_STATS,
3599 3605              (uint64_t **)&vs, &c) == 0);
3600 3606          health = zpool_state_to_name(vs->vs_state, vs->vs_aux);
3601 3607  
3602 3608          (void) printf(gettext("  pool: %s\n"), zpool_get_name(zhp));
3603 3609          (void) printf(gettext(" state: %s\n"), health);
3604 3610  
3605 3611          switch (reason) {
3606 3612          case ZPOOL_STATUS_MISSING_DEV_R:
3607 3613                  (void) printf(gettext("status: One or more devices could not "
3608 3614                      "be opened.  Sufficient replicas exist for\n\tthe pool to "
3609 3615                      "continue functioning in a degraded state.\n"));
3610 3616                  (void) printf(gettext("action: Attach the missing device and "
3611 3617                      "online it using 'zpool online'.\n"));
3612 3618                  break;
3613 3619  
3614 3620          case ZPOOL_STATUS_MISSING_DEV_NR:
3615 3621                  (void) printf(gettext("status: One or more devices could not "
3616 3622                      "be opened.  There are insufficient\n\treplicas for the "
3617 3623                      "pool to continue functioning.\n"));
3618 3624                  (void) printf(gettext("action: Attach the missing device and "
3619 3625                      "online it using 'zpool online'.\n"));
3620 3626                  break;
3621 3627  
3622 3628          case ZPOOL_STATUS_CORRUPT_LABEL_R:
3623 3629                  (void) printf(gettext("status: One or more devices could not "
3624 3630                      "be used because the label is missing or\n\tinvalid.  "
3625 3631                      "Sufficient replicas exist for the pool to continue\n\t"
3626 3632                      "functioning in a degraded state.\n"));
3627 3633                  (void) printf(gettext("action: Replace the device using "
3628 3634                      "'zpool replace'.\n"));
3629 3635                  break;
3630 3636  
3631 3637          case ZPOOL_STATUS_CORRUPT_LABEL_NR:
3632 3638                  (void) printf(gettext("status: One or more devices could not "
3633 3639                      "be used because the label is missing \n\tor invalid.  "
3634 3640                      "There are insufficient replicas for the pool to "
3635 3641                      "continue\n\tfunctioning.\n"));
3636 3642                  zpool_explain_recover(zpool_get_handle(zhp),
3637 3643                      zpool_get_name(zhp), reason, config);
3638 3644                  break;
3639 3645  
3640 3646          case ZPOOL_STATUS_FAILING_DEV:
3641 3647                  (void) printf(gettext("status: One or more devices has "
3642 3648                      "experienced an unrecoverable error.  An\n\tattempt was "
3643 3649                      "made to correct the error.  Applications are "
3644 3650                      "unaffected.\n"));
3645 3651                  (void) printf(gettext("action: Determine if the device needs "
3646 3652                      "to be replaced, and clear the errors\n\tusing "
3647 3653                      "'zpool clear' or replace the device with 'zpool "
3648 3654                      "replace'.\n"));
3649 3655                  break;
3650 3656  
3651 3657          case ZPOOL_STATUS_OFFLINE_DEV:
3652 3658                  (void) printf(gettext("status: One or more devices has "
3653 3659                      "been taken offline by the administrator.\n\tSufficient "
3654 3660                      "replicas exist for the pool to continue functioning in "
3655 3661                      "a\n\tdegraded state.\n"));
3656 3662                  (void) printf(gettext("action: Online the device using "
3657 3663                      "'zpool online' or replace the device with\n\t'zpool "
3658 3664                      "replace'.\n"));
3659 3665                  break;
3660 3666  
3661 3667          case ZPOOL_STATUS_REMOVED_DEV:
3662 3668                  (void) printf(gettext("status: One or more devices has "
3663 3669                      "been removed by the administrator.\n\tSufficient "
3664 3670                      "replicas exist for the pool to continue functioning in "
3665 3671                      "a\n\tdegraded state.\n"));
3666 3672                  (void) printf(gettext("action: Online the device using "
3667 3673                      "'zpool online' or replace the device with\n\t'zpool "
3668 3674                      "replace'.\n"));
3669 3675                  break;
3670 3676  
3671 3677          case ZPOOL_STATUS_RESILVERING:
3672 3678                  (void) printf(gettext("status: One or more devices is "
3673 3679                      "currently being resilvered.  The pool will\n\tcontinue "
3674 3680                      "to function, possibly in a degraded state.\n"));
3675 3681                  (void) printf(gettext("action: Wait for the resilver to "
3676 3682                      "complete.\n"));
3677 3683                  break;
3678 3684  
3679 3685          case ZPOOL_STATUS_CORRUPT_DATA:
3680 3686                  (void) printf(gettext("status: One or more devices has "
3681 3687                      "experienced an error resulting in data\n\tcorruption.  "
3682 3688                      "Applications may be affected.\n"));
3683 3689                  (void) printf(gettext("action: Restore the file in question "
3684 3690                      "if possible.  Otherwise restore the\n\tentire pool from "
3685 3691                      "backup.\n"));
3686 3692                  break;
3687 3693  
3688 3694          case ZPOOL_STATUS_CORRUPT_POOL:
3689 3695                  (void) printf(gettext("status: The pool metadata is corrupted "
3690 3696                      "and the pool cannot be opened.\n"));
3691 3697                  zpool_explain_recover(zpool_get_handle(zhp),
3692 3698                      zpool_get_name(zhp), reason, config);
3693 3699                  break;
3694 3700  
3695 3701          case ZPOOL_STATUS_VERSION_OLDER:
3696 3702                  (void) printf(gettext("status: The pool is formatted using an "
3697 3703                      "older on-disk format.  The pool can\n\tstill be used, but "
3698 3704                      "some features are unavailable.\n"));
3699 3705                  (void) printf(gettext("action: Upgrade the pool using 'zpool "
3700 3706                      "upgrade'.  Once this is done, the\n\tpool will no longer "
3701 3707                      "be accessible on older software versions.\n"));
3702 3708                  break;
3703 3709  
3704 3710          case ZPOOL_STATUS_VERSION_NEWER:
3705 3711                  (void) printf(gettext("status: The pool has been upgraded to a "
3706 3712                      "newer, incompatible on-disk version.\n\tThe pool cannot "
3707 3713                      "be accessed on this system.\n"));
3708 3714                  (void) printf(gettext("action: Access the pool from a system "
3709 3715                      "running more recent software, or\n\trestore the pool from "
3710 3716                      "backup.\n"));
3711 3717                  break;
3712 3718  
3713 3719          case ZPOOL_STATUS_FAULTED_DEV_R:
3714 3720                  (void) printf(gettext("status: One or more devices are "
3715 3721                      "faulted in response to persistent errors.\n\tSufficient "
3716 3722                      "replicas exist for the pool to continue functioning "
3717 3723                      "in a\n\tdegraded state.\n"));
3718 3724                  (void) printf(gettext("action: Replace the faulted device, "
3719 3725                      "or use 'zpool clear' to mark the device\n\trepaired.\n"));
3720 3726                  break;
3721 3727  
3722 3728          case ZPOOL_STATUS_FAULTED_DEV_NR:
3723 3729                  (void) printf(gettext("status: One or more devices are "
3724 3730                      "faulted in response to persistent errors.  There are "
3725 3731                      "insufficient replicas for the pool to\n\tcontinue "
3726 3732                      "functioning.\n"));
3727 3733                  (void) printf(gettext("action: Destroy and re-create the pool "
3728 3734                      "from a backup source.  Manually marking the device\n"
3729 3735                      "\trepaired using 'zpool clear' may allow some data "
3730 3736                      "to be recovered.\n"));
3731 3737                  break;
3732 3738  
3733 3739          case ZPOOL_STATUS_IO_FAILURE_WAIT:
3734 3740          case ZPOOL_STATUS_IO_FAILURE_CONTINUE:
3735 3741                  (void) printf(gettext("status: One or more devices are "
3736 3742                      "faulted in response to IO failures.\n"));
3737 3743                  (void) printf(gettext("action: Make sure the affected devices "
3738 3744                      "are connected, then run 'zpool clear'.\n"));
3739 3745                  break;
3740 3746  
3741 3747          case ZPOOL_STATUS_BAD_LOG:
3742 3748                  (void) printf(gettext("status: An intent log record "
3743 3749                      "could not be read.\n"
3744 3750                      "\tWaiting for adminstrator intervention to fix the "
3745 3751                      "faulted pool.\n"));
3746 3752                  (void) printf(gettext("action: Either restore the affected "
3747 3753                      "device(s) and run 'zpool online',\n"
3748 3754                      "\tor ignore the intent log records by running "
3749 3755                      "'zpool clear'.\n"));
3750 3756                  break;
3751 3757  
3752 3758          default:
3753 3759                  /*
3754 3760                   * The remaining errors can't actually be generated, yet.
3755 3761                   */
3756 3762                  assert(reason == ZPOOL_STATUS_OK);
3757 3763          }
3758 3764  
3759 3765          if (msgid != NULL)
3760 3766                  (void) printf(gettext("   see: http://www.sun.com/msg/%s\n"),
3761 3767                      msgid);
3762 3768  
3763 3769          if (config != NULL) {
3764 3770                  int namewidth;
3765 3771                  uint64_t nerr;
3766 3772                  nvlist_t **spares, **l2cache;
3767 3773                  uint_t nspares, nl2cache;
3768 3774                  pool_scan_stat_t *ps = NULL;
3769 3775  
3770 3776                  (void) nvlist_lookup_uint64_array(nvroot,
3771 3777                      ZPOOL_CONFIG_SCAN_STATS, (uint64_t **)&ps, &c);
3772 3778                  print_scan_status(ps);
3773 3779  
3774 3780                  namewidth = max_width(zhp, nvroot, 0, 0);
3775 3781                  if (namewidth < 10)
3776 3782                          namewidth = 10;
3777 3783  
3778 3784                  (void) printf(gettext("config:\n\n"));
3779 3785                  (void) printf(gettext("\t%-*s  %-8s %5s %5s %5s\n"), namewidth,
3780 3786                      "NAME", "STATE", "READ", "WRITE", "CKSUM");
3781 3787                  print_status_config(zhp, zpool_get_name(zhp), nvroot,
3782 3788                      namewidth, 0, B_FALSE);
3783 3789  
3784 3790                  if (num_logs(nvroot) > 0)
3785 3791                          print_logs(zhp, nvroot, namewidth, B_TRUE);
3786 3792                  if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_L2CACHE,
3787 3793                      &l2cache, &nl2cache) == 0)
3788 3794                          print_l2cache(zhp, l2cache, nl2cache, namewidth);
3789 3795  
3790 3796                  if (nvlist_lookup_nvlist_array(nvroot, ZPOOL_CONFIG_SPARES,
3791 3797                      &spares, &nspares) == 0)
3792 3798                          print_spares(zhp, spares, nspares, namewidth);
3793 3799  
3794 3800                  if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_ERRCOUNT,
3795 3801                      &nerr) == 0) {
3796 3802                          nvlist_t *nverrlist = NULL;
3797 3803  
3798 3804                          /*
3799 3805                           * If the approximate error count is small, get a
3800 3806                           * precise count by fetching the entire log and
3801 3807                           * uniquifying the results.
3802 3808                           */
3803 3809                          if (nerr > 0 && nerr < 100 && !cbp->cb_verbose &&
3804 3810                              zpool_get_errlog(zhp, &nverrlist) == 0) {
3805 3811                                  nvpair_t *elem;
3806 3812  
3807 3813                                  elem = NULL;
3808 3814                                  nerr = 0;
3809 3815                                  while ((elem = nvlist_next_nvpair(nverrlist,
3810 3816                                      elem)) != NULL) {
3811 3817                                          nerr++;
3812 3818                                  }
3813 3819                          }
3814 3820                          nvlist_free(nverrlist);
3815 3821  
3816 3822                          (void) printf("\n");
3817 3823  
3818 3824                          if (nerr == 0)
3819 3825                                  (void) printf(gettext("errors: No known data "
3820 3826                                      "errors\n"));
3821 3827                          else if (!cbp->cb_verbose)
3822 3828                                  (void) printf(gettext("errors: %llu data "
3823 3829                                      "errors, use '-v' for a list\n"),
3824 3830                                      (u_longlong_t)nerr);
3825 3831                          else
3826 3832                                  print_error_log(zhp);
3827 3833                  }
3828 3834  
3829 3835                  if (cbp->cb_dedup_stats)
3830 3836                          print_dedup_stats(config);
3831 3837          } else {
3832 3838                  (void) printf(gettext("config: The configuration cannot be "
3833 3839                      "determined.\n"));
3834 3840          }
3835 3841  
3836 3842          return (0);
3837 3843  }
3838 3844  
3839 3845  /*
3840 3846   * zpool status [-vx] [-T d|u] [pool] ... [interval [count]]
3841 3847   *
3842 3848   *      -v      Display complete error logs
3843 3849   *      -x      Display only pools with potential problems
3844 3850   *      -D      Display dedup status (undocumented)
3845 3851   *      -T      Display a timestamp in date(1) or Unix format
3846 3852   *
3847 3853   * Describes the health status of all pools or some subset.
3848 3854   */
3849 3855  int
3850 3856  zpool_do_status(int argc, char **argv)
3851 3857  {
3852 3858          int c;
3853 3859          int ret;
3854 3860          unsigned long interval = 0, count = 0;
3855 3861          status_cbdata_t cb = { 0 };
3856 3862  
3857 3863          /* check options */
3858 3864          while ((c = getopt(argc, argv, "vxDT:")) != -1) {
3859 3865                  switch (c) {
3860 3866                  case 'v':
3861 3867                          cb.cb_verbose = B_TRUE;
3862 3868                          break;
3863 3869                  case 'x':
3864 3870                          cb.cb_explain = B_TRUE;
3865 3871                          break;
3866 3872                  case 'D':
3867 3873                          cb.cb_dedup_stats = B_TRUE;
3868 3874                          break;
3869 3875                  case 'T':
3870 3876                          get_timestamp_arg(*optarg);
3871 3877                          break;
3872 3878                  case '?':
3873 3879                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
3874 3880                              optopt);
3875 3881                          usage(B_FALSE);
3876 3882                  }
3877 3883          }
3878 3884  
3879 3885          argc -= optind;
3880 3886          argv += optind;
3881 3887  
3882 3888          get_interval_count(&argc, argv, &interval, &count);
3883 3889  
3884 3890          if (argc == 0)
3885 3891                  cb.cb_allpools = B_TRUE;
3886 3892  
3887 3893          cb.cb_first = B_TRUE;
3888 3894  
3889 3895          for (;;) {
3890 3896                  if (timestamp_fmt != NODATE)
3891 3897                          print_timestamp(timestamp_fmt);
3892 3898  
3893 3899                  ret = for_each_pool(argc, argv, B_TRUE, NULL,
3894 3900                      status_callback, &cb);
3895 3901  
3896 3902                  if (argc == 0 && cb.cb_count == 0)
3897 3903                          (void) printf(gettext("no pools available\n"));
3898 3904                  else if (cb.cb_explain && cb.cb_first && cb.cb_allpools)
3899 3905                          (void) printf(gettext("all pools are healthy\n"));
3900 3906  
3901 3907                  if (ret != 0)
3902 3908                          return (ret);
3903 3909  
3904 3910                  if (interval == 0)
3905 3911                          break;
3906 3912  
3907 3913                  if (count != 0 && --count == 0)
3908 3914                          break;
3909 3915  
3910 3916                  (void) sleep(interval);
3911 3917          }
3912 3918  
3913 3919          return (0);
3914 3920  }
3915 3921  
3916 3922  typedef struct upgrade_cbdata {
3917 3923          int     cb_all;
3918 3924          int     cb_first;
3919 3925          int     cb_newer;
3920 3926          int     cb_argc;
3921 3927          uint64_t cb_version;
3922 3928          char    **cb_argv;
3923 3929  } upgrade_cbdata_t;
3924 3930  
3925 3931  static int
3926 3932  upgrade_cb(zpool_handle_t *zhp, void *arg)
3927 3933  {
3928 3934          upgrade_cbdata_t *cbp = arg;
3929 3935          nvlist_t *config;
3930 3936          uint64_t version;
3931 3937          int ret = 0;
3932 3938  
3933 3939          config = zpool_get_config(zhp, NULL);
3934 3940          verify(nvlist_lookup_uint64(config, ZPOOL_CONFIG_VERSION,
3935 3941              &version) == 0);
3936 3942  
3937 3943          if (!cbp->cb_newer && version < SPA_VERSION) {
3938 3944                  if (!cbp->cb_all) {
3939 3945                          if (cbp->cb_first) {
3940 3946                                  (void) printf(gettext("The following pools are "
3941 3947                                      "out of date, and can be upgraded.  After "
3942 3948                                      "being\nupgraded, these pools will no "
3943 3949                                      "longer be accessible by older software "
3944 3950                                      "versions.\n\n"));
3945 3951                                  (void) printf(gettext("VER  POOL\n"));
3946 3952                                  (void) printf(gettext("---  ------------\n"));
3947 3953                                  cbp->cb_first = B_FALSE;
3948 3954                          }
3949 3955  
3950 3956                          (void) printf("%2llu   %s\n", (u_longlong_t)version,
3951 3957                              zpool_get_name(zhp));
3952 3958                  } else {
3953 3959                          cbp->cb_first = B_FALSE;
3954 3960                          ret = zpool_upgrade(zhp, cbp->cb_version);
3955 3961                          if (!ret) {
3956 3962                                  (void) printf(gettext("Successfully upgraded "
3957 3963                                      "'%s'\n\n"), zpool_get_name(zhp));
3958 3964                          }
3959 3965                  }
3960 3966          } else if (cbp->cb_newer && version > SPA_VERSION) {
3961 3967                  assert(!cbp->cb_all);
3962 3968  
3963 3969                  if (cbp->cb_first) {
3964 3970                          (void) printf(gettext("The following pools are "
3965 3971                              "formatted using a newer software version and\n"
3966 3972                              "cannot be accessed on the current system.\n\n"));
3967 3973                          (void) printf(gettext("VER  POOL\n"));
3968 3974                          (void) printf(gettext("---  ------------\n"));
3969 3975                          cbp->cb_first = B_FALSE;
3970 3976                  }
3971 3977  
3972 3978                  (void) printf("%2llu   %s\n", (u_longlong_t)version,
3973 3979                      zpool_get_name(zhp));
3974 3980          }
3975 3981  
3976 3982          zpool_close(zhp);
3977 3983          return (ret);
3978 3984  }
3979 3985  
3980 3986  /* ARGSUSED */
3981 3987  static int
3982 3988  upgrade_one(zpool_handle_t *zhp, void *data)
3983 3989  {
3984 3990          upgrade_cbdata_t *cbp = data;
3985 3991          uint64_t cur_version;
3986 3992          int ret;
3987 3993  
3988 3994          if (strcmp("log", zpool_get_name(zhp)) == 0) {
3989 3995                  (void) printf(gettext("'log' is now a reserved word\n"
3990 3996                      "Pool 'log' must be renamed using export and import"
3991 3997                      " to upgrade.\n"));
3992 3998                  return (1);
3993 3999          }
3994 4000  
3995 4001          cur_version = zpool_get_prop_int(zhp, ZPOOL_PROP_VERSION, NULL);
3996 4002          if (cur_version > cbp->cb_version) {
3997 4003                  (void) printf(gettext("Pool '%s' is already formatted "
3998 4004                      "using more current version '%llu'.\n"),
3999 4005                      zpool_get_name(zhp), cur_version);
4000 4006                  return (0);
4001 4007          }
4002 4008          if (cur_version == cbp->cb_version) {
4003 4009                  (void) printf(gettext("Pool '%s' is already formatted "
4004 4010                      "using the current version.\n"), zpool_get_name(zhp));
4005 4011                  return (0);
4006 4012          }
4007 4013  
4008 4014          ret = zpool_upgrade(zhp, cbp->cb_version);
4009 4015  
4010 4016          if (!ret) {
4011 4017                  (void) printf(gettext("Successfully upgraded '%s' "
4012 4018                      "from version %llu to version %llu\n\n"),
4013 4019                      zpool_get_name(zhp), (u_longlong_t)cur_version,
4014 4020                      (u_longlong_t)cbp->cb_version);
4015 4021          }
4016 4022  
4017 4023          return (ret != 0);
4018 4024  }
4019 4025  
4020 4026  /*
4021 4027   * zpool upgrade
4022 4028   * zpool upgrade -v
4023 4029   * zpool upgrade [-V version] <-a | pool ...>
4024 4030   *
4025 4031   * With no arguments, display downrev'd ZFS pool available for upgrade.
4026 4032   * Individual pools can be upgraded by specifying the pool, and '-a' will
4027 4033   * upgrade all pools.
4028 4034   */
4029 4035  int
4030 4036  zpool_do_upgrade(int argc, char **argv)
4031 4037  {
4032 4038          int c;
4033 4039          upgrade_cbdata_t cb = { 0 };
4034 4040          int ret = 0;
4035 4041          boolean_t showversions = B_FALSE;
4036 4042          char *end;
4037 4043  
4038 4044  
4039 4045          /* check options */
4040 4046          while ((c = getopt(argc, argv, ":avV:")) != -1) {
4041 4047                  switch (c) {
4042 4048                  case 'a':
4043 4049                          cb.cb_all = B_TRUE;
4044 4050                          break;
4045 4051                  case 'v':
4046 4052                          showversions = B_TRUE;
4047 4053                          break;
4048 4054                  case 'V':
4049 4055                          cb.cb_version = strtoll(optarg, &end, 10);
4050 4056                          if (*end != '\0' || cb.cb_version > SPA_VERSION ||
4051 4057                              cb.cb_version < SPA_VERSION_1) {
4052 4058                                  (void) fprintf(stderr,
4053 4059                                      gettext("invalid version '%s'\n"), optarg);
4054 4060                                  usage(B_FALSE);
4055 4061                          }
4056 4062                          break;
4057 4063                  case ':':
4058 4064                          (void) fprintf(stderr, gettext("missing argument for "
4059 4065                              "'%c' option\n"), optopt);
4060 4066                          usage(B_FALSE);
4061 4067                          break;
4062 4068                  case '?':
4063 4069                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4064 4070                              optopt);
4065 4071                          usage(B_FALSE);
4066 4072                  }
4067 4073          }
4068 4074  
4069 4075          cb.cb_argc = argc;
4070 4076          cb.cb_argv = argv;
4071 4077          argc -= optind;
4072 4078          argv += optind;
4073 4079  
4074 4080          if (cb.cb_version == 0) {
4075 4081                  cb.cb_version = SPA_VERSION;
4076 4082          } else if (!cb.cb_all && argc == 0) {
4077 4083                  (void) fprintf(stderr, gettext("-V option is "
4078 4084                      "incompatible with other arguments\n"));
4079 4085                  usage(B_FALSE);
4080 4086          }
4081 4087  
4082 4088          if (showversions) {
4083 4089                  if (cb.cb_all || argc != 0) {
4084 4090                          (void) fprintf(stderr, gettext("-v option is "
4085 4091                              "incompatible with other arguments\n"));
4086 4092                          usage(B_FALSE);
4087 4093                  }
4088 4094          } else if (cb.cb_all) {
4089 4095                  if (argc != 0) {
4090 4096                          (void) fprintf(stderr, gettext("-a option should not "
4091 4097                              "be used along with a pool name\n"));
4092 4098                          usage(B_FALSE);
4093 4099                  }
4094 4100          }
4095 4101  
4096 4102          (void) printf(gettext("This system is currently running "
4097 4103              "ZFS pool version %llu.\n\n"), SPA_VERSION);
4098 4104          cb.cb_first = B_TRUE;
4099 4105          if (showversions) {
4100 4106                  (void) printf(gettext("The following versions are "
4101 4107                      "supported:\n\n"));
4102 4108                  (void) printf(gettext("VER  DESCRIPTION\n"));
4103 4109                  (void) printf("---  -----------------------------------------"
4104 4110                      "---------------\n");
4105 4111                  (void) printf(gettext(" 1   Initial ZFS version\n"));
4106 4112                  (void) printf(gettext(" 2   Ditto blocks "
4107 4113                      "(replicated metadata)\n"));
4108 4114                  (void) printf(gettext(" 3   Hot spares and double parity "
4109 4115                      "RAID-Z\n"));
4110 4116                  (void) printf(gettext(" 4   zpool history\n"));
4111 4117                  (void) printf(gettext(" 5   Compression using the gzip "
4112 4118                      "algorithm\n"));
4113 4119                  (void) printf(gettext(" 6   bootfs pool property\n"));
4114 4120                  (void) printf(gettext(" 7   Separate intent log devices\n"));
4115 4121                  (void) printf(gettext(" 8   Delegated administration\n"));
4116 4122                  (void) printf(gettext(" 9   refquota and refreservation "
4117 4123                      "properties\n"));
4118 4124                  (void) printf(gettext(" 10  Cache devices\n"));
4119 4125                  (void) printf(gettext(" 11  Improved scrub performance\n"));
4120 4126                  (void) printf(gettext(" 12  Snapshot properties\n"));
4121 4127                  (void) printf(gettext(" 13  snapused property\n"));
4122 4128                  (void) printf(gettext(" 14  passthrough-x aclinherit\n"));
4123 4129                  (void) printf(gettext(" 15  user/group space accounting\n"));
4124 4130                  (void) printf(gettext(" 16  stmf property support\n"));
4125 4131                  (void) printf(gettext(" 17  Triple-parity RAID-Z\n"));
4126 4132                  (void) printf(gettext(" 18  Snapshot user holds\n"));
4127 4133                  (void) printf(gettext(" 19  Log device removal\n"));
4128 4134                  (void) printf(gettext(" 20  Compression using zle "
4129 4135                      "(zero-length encoding)\n"));
4130 4136                  (void) printf(gettext(" 21  Deduplication\n"));
4131 4137                  (void) printf(gettext(" 22  Received properties\n"));
4132 4138                  (void) printf(gettext(" 23  Slim ZIL\n"));
4133 4139                  (void) printf(gettext(" 24  System attributes\n"));
4134 4140                  (void) printf(gettext(" 25  Improved scrub stats\n"));
4135 4141                  (void) printf(gettext(" 26  Improved snapshot deletion "
4136 4142                      "performance\n"));
4137 4143                  (void) printf(gettext(" 27  Improved snapshot creation "
4138 4144                      "performance\n"));
4139 4145                  (void) printf(gettext(" 28  Multiple vdev replacements\n"));
4140 4146                  (void) printf(gettext("\nFor more information on a particular "
4141 4147                      "version, including supported releases,\n"));
4142 4148                  (void) printf(gettext("see the ZFS Administration Guide.\n\n"));
4143 4149          } else if (argc == 0) {
4144 4150                  int notfound;
4145 4151  
4146 4152                  ret = zpool_iter(g_zfs, upgrade_cb, &cb);
4147 4153                  notfound = cb.cb_first;
4148 4154  
4149 4155                  if (!cb.cb_all && ret == 0) {
4150 4156                          if (!cb.cb_first)
4151 4157                                  (void) printf("\n");
4152 4158                          cb.cb_first = B_TRUE;
4153 4159                          cb.cb_newer = B_TRUE;
4154 4160                          ret = zpool_iter(g_zfs, upgrade_cb, &cb);
4155 4161                          if (!cb.cb_first) {
4156 4162                                  notfound = B_FALSE;
4157 4163                                  (void) printf("\n");
4158 4164                          }
4159 4165                  }
4160 4166  
4161 4167                  if (ret == 0) {
4162 4168                          if (notfound)
4163 4169                                  (void) printf(gettext("All pools are formatted "
4164 4170                                      "using this version.\n"));
4165 4171                          else if (!cb.cb_all)
4166 4172                                  (void) printf(gettext("Use 'zpool upgrade -v' "
4167 4173                                      "for a list of available versions and "
4168 4174                                      "their associated\nfeatures.\n"));
4169 4175                  }
4170 4176          } else {
4171 4177                  ret = for_each_pool(argc, argv, B_FALSE, NULL,
4172 4178                      upgrade_one, &cb);
4173 4179          }
4174 4180  
4175 4181          return (ret);
4176 4182  }
4177 4183  
4178 4184  typedef struct hist_cbdata {
4179 4185          boolean_t first;
4180 4186          int longfmt;
4181 4187          int internal;
4182 4188  } hist_cbdata_t;
4183 4189  
4184 4190  /*
4185 4191   * Print out the command history for a specific pool.
4186 4192   */
4187 4193  static int
4188 4194  get_history_one(zpool_handle_t *zhp, void *data)
4189 4195  {
4190 4196          nvlist_t *nvhis;
4191 4197          nvlist_t **records;
4192 4198          uint_t numrecords;
4193 4199          char *cmdstr;
4194 4200          char *pathstr;
4195 4201          uint64_t dst_time;
4196 4202          time_t tsec;
4197 4203          struct tm t;
4198 4204          char tbuf[30];
4199 4205          int ret, i;
4200 4206          uint64_t who;
4201 4207          struct passwd *pwd;
4202 4208          char *hostname;
4203 4209          char *zonename;
4204 4210          char internalstr[MAXPATHLEN];
4205 4211          hist_cbdata_t *cb = (hist_cbdata_t *)data;
4206 4212          uint64_t txg;
4207 4213          uint64_t ievent;
4208 4214  
4209 4215          cb->first = B_FALSE;
4210 4216  
4211 4217          (void) printf(gettext("History for '%s':\n"), zpool_get_name(zhp));
4212 4218  
4213 4219          if ((ret = zpool_get_history(zhp, &nvhis)) != 0)
4214 4220                  return (ret);
4215 4221  
4216 4222          verify(nvlist_lookup_nvlist_array(nvhis, ZPOOL_HIST_RECORD,
4217 4223              &records, &numrecords) == 0);
4218 4224          for (i = 0; i < numrecords; i++) {
4219 4225                  if (nvlist_lookup_uint64(records[i], ZPOOL_HIST_TIME,
4220 4226                      &dst_time) != 0)
4221 4227                          continue;
4222 4228  
4223 4229                  /* is it an internal event or a standard event? */
4224 4230                  if (nvlist_lookup_string(records[i], ZPOOL_HIST_CMD,
4225 4231                      &cmdstr) != 0) {
4226 4232                          if (cb->internal == 0)
4227 4233                                  continue;
4228 4234  
4229 4235                          if (nvlist_lookup_uint64(records[i],
4230 4236                              ZPOOL_HIST_INT_EVENT, &ievent) != 0)
4231 4237                                  continue;
4232 4238                          verify(nvlist_lookup_uint64(records[i],
4233 4239                              ZPOOL_HIST_TXG, &txg) == 0);
4234 4240                          verify(nvlist_lookup_string(records[i],
4235 4241                              ZPOOL_HIST_INT_STR, &pathstr) == 0);
4236 4242                          if (ievent >= LOG_END)
4237 4243                                  continue;
4238 4244                          (void) snprintf(internalstr,
4239 4245                              sizeof (internalstr),
4240 4246                              "[internal %s txg:%lld] %s",
4241 4247                              zfs_history_event_names[ievent], txg,
4242 4248                              pathstr);
4243 4249                          cmdstr = internalstr;
4244 4250                  }
4245 4251                  tsec = dst_time;
4246 4252                  (void) localtime_r(&tsec, &t);
4247 4253                  (void) strftime(tbuf, sizeof (tbuf), "%F.%T", &t);
4248 4254                  (void) printf("%s %s", tbuf, cmdstr);
4249 4255  
4250 4256                  if (!cb->longfmt) {
4251 4257                          (void) printf("\n");
4252 4258                          continue;
4253 4259                  }
4254 4260                  (void) printf(" [");
4255 4261                  if (nvlist_lookup_uint64(records[i],
4256 4262                      ZPOOL_HIST_WHO, &who) == 0) {
4257 4263                          pwd = getpwuid((uid_t)who);
4258 4264                          if (pwd)
4259 4265                                  (void) printf("user %s on",
4260 4266                                      pwd->pw_name);
4261 4267                          else
4262 4268                                  (void) printf("user %d on",
4263 4269                                      (int)who);
4264 4270                  } else {
4265 4271                          (void) printf(gettext("no info]\n"));
4266 4272                          continue;
4267 4273                  }
4268 4274                  if (nvlist_lookup_string(records[i],
4269 4275                      ZPOOL_HIST_HOST, &hostname) == 0) {
4270 4276                          (void) printf(" %s", hostname);
4271 4277                  }
4272 4278                  if (nvlist_lookup_string(records[i],
4273 4279                      ZPOOL_HIST_ZONE, &zonename) == 0) {
4274 4280                          (void) printf(":%s", zonename);
4275 4281                  }
4276 4282  
4277 4283                  (void) printf("]");
4278 4284                  (void) printf("\n");
4279 4285          }
4280 4286          (void) printf("\n");
4281 4287          nvlist_free(nvhis);
4282 4288  
4283 4289          return (ret);
4284 4290  }
4285 4291  
4286 4292  /*
4287 4293   * zpool history <pool>
4288 4294   *
4289 4295   * Displays the history of commands that modified pools.
4290 4296   */
4291 4297  
4292 4298  
4293 4299  int
4294 4300  zpool_do_history(int argc, char **argv)
4295 4301  {
4296 4302          hist_cbdata_t cbdata = { 0 };
4297 4303          int ret;
4298 4304          int c;
4299 4305  
4300 4306          cbdata.first = B_TRUE;
4301 4307          /* check options */
4302 4308          while ((c = getopt(argc, argv, "li")) != -1) {
4303 4309                  switch (c) {
4304 4310                  case 'l':
4305 4311                          cbdata.longfmt = 1;
4306 4312                          break;
4307 4313                  case 'i':
4308 4314                          cbdata.internal = 1;
4309 4315                          break;
4310 4316                  case '?':
4311 4317                          (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4312 4318                              optopt);
4313 4319                          usage(B_FALSE);
4314 4320                  }
4315 4321          }
4316 4322          argc -= optind;
4317 4323          argv += optind;
4318 4324  
4319 4325          ret = for_each_pool(argc, argv, B_FALSE,  NULL, get_history_one,
4320 4326              &cbdata);
4321 4327  
4322 4328          if (argc == 0 && cbdata.first == B_TRUE) {
4323 4329                  (void) printf(gettext("no pools available\n"));
4324 4330                  return (0);
4325 4331          }
4326 4332  
4327 4333          return (ret);
4328 4334  }
4329 4335  
4330 4336  static int
4331 4337  get_callback(zpool_handle_t *zhp, void *data)
4332 4338  {
4333 4339          zprop_get_cbdata_t *cbp = (zprop_get_cbdata_t *)data;
4334 4340          char value[MAXNAMELEN];
4335 4341          zprop_source_t srctype;
4336 4342          zprop_list_t *pl;
4337 4343  
4338 4344          for (pl = cbp->cb_proplist; pl != NULL; pl = pl->pl_next) {
4339 4345  
4340 4346                  /*
4341 4347                   * Skip the special fake placeholder. This will also skip
4342 4348                   * over the name property when 'all' is specified.
4343 4349                   */
4344 4350                  if (pl->pl_prop == ZPOOL_PROP_NAME &&
4345 4351                      pl == cbp->cb_proplist)
4346 4352                          continue;
4347 4353  
4348 4354                  if (zpool_get_prop(zhp, pl->pl_prop,
4349 4355                      value, sizeof (value), &srctype) != 0)
4350 4356                          continue;
4351 4357  
4352 4358                  zprop_print_one_property(zpool_get_name(zhp), cbp,
4353 4359                      zpool_prop_to_name(pl->pl_prop), value, srctype, NULL,
4354 4360                      NULL);
4355 4361          }
4356 4362          return (0);
4357 4363  }
4358 4364  
4359 4365  int
4360 4366  zpool_do_get(int argc, char **argv)
4361 4367  {
4362 4368          zprop_get_cbdata_t cb = { 0 };
4363 4369          zprop_list_t fake_name = { 0 };
4364 4370          int ret;
4365 4371  
4366 4372          if (argc < 3)
4367 4373                  usage(B_FALSE);
4368 4374  
4369 4375          cb.cb_first = B_TRUE;
4370 4376          cb.cb_sources = ZPROP_SRC_ALL;
4371 4377          cb.cb_columns[0] = GET_COL_NAME;
4372 4378          cb.cb_columns[1] = GET_COL_PROPERTY;
4373 4379          cb.cb_columns[2] = GET_COL_VALUE;
4374 4380          cb.cb_columns[3] = GET_COL_SOURCE;
4375 4381          cb.cb_type = ZFS_TYPE_POOL;
4376 4382  
4377 4383          if (zprop_get_list(g_zfs, argv[1],  &cb.cb_proplist,
4378 4384              ZFS_TYPE_POOL) != 0)
4379 4385                  usage(B_FALSE);
4380 4386  
4381 4387          if (cb.cb_proplist != NULL) {
4382 4388                  fake_name.pl_prop = ZPOOL_PROP_NAME;
4383 4389                  fake_name.pl_width = strlen(gettext("NAME"));
4384 4390                  fake_name.pl_next = cb.cb_proplist;
4385 4391                  cb.cb_proplist = &fake_name;
4386 4392          }
4387 4393  
4388 4394          ret = for_each_pool(argc - 2, argv + 2, B_TRUE, &cb.cb_proplist,
4389 4395              get_callback, &cb);
4390 4396  
4391 4397          if (cb.cb_proplist == &fake_name)
4392 4398                  zprop_free_list(fake_name.pl_next);
4393 4399          else
4394 4400                  zprop_free_list(cb.cb_proplist);
4395 4401  
4396 4402          return (ret);
4397 4403  }
4398 4404  
4399 4405  typedef struct set_cbdata {
4400 4406          char *cb_propname;
4401 4407          char *cb_value;
4402 4408          boolean_t cb_any_successful;
4403 4409  } set_cbdata_t;
4404 4410  
4405 4411  int
4406 4412  set_callback(zpool_handle_t *zhp, void *data)
4407 4413  {
4408 4414          int error;
4409 4415          set_cbdata_t *cb = (set_cbdata_t *)data;
4410 4416  
4411 4417          error = zpool_set_prop(zhp, cb->cb_propname, cb->cb_value);
4412 4418  
4413 4419          if (!error)
4414 4420                  cb->cb_any_successful = B_TRUE;
4415 4421  
4416 4422          return (error);
4417 4423  }
4418 4424  
4419 4425  int
4420 4426  zpool_do_set(int argc, char **argv)
4421 4427  {
4422 4428          set_cbdata_t cb = { 0 };
4423 4429          int error;
4424 4430  
4425 4431          if (argc > 1 && argv[1][0] == '-') {
4426 4432                  (void) fprintf(stderr, gettext("invalid option '%c'\n"),
4427 4433                      argv[1][1]);
4428 4434                  usage(B_FALSE);
4429 4435          }
4430 4436  
4431 4437          if (argc < 2) {
4432 4438                  (void) fprintf(stderr, gettext("missing property=value "
4433 4439                      "argument\n"));
4434 4440                  usage(B_FALSE);
4435 4441          }
4436 4442  
4437 4443          if (argc < 3) {
4438 4444                  (void) fprintf(stderr, gettext("missing pool name\n"));
4439 4445                  usage(B_FALSE);
4440 4446          }
4441 4447  
4442 4448          if (argc > 3) {
4443 4449                  (void) fprintf(stderr, gettext("too many pool names\n"));
4444 4450                  usage(B_FALSE);
4445 4451          }
4446 4452  
4447 4453          cb.cb_propname = argv[1];
4448 4454          cb.cb_value = strchr(cb.cb_propname, '=');
4449 4455          if (cb.cb_value == NULL) {
4450 4456                  (void) fprintf(stderr, gettext("missing value in "
4451 4457                      "property=value argument\n"));
4452 4458                  usage(B_FALSE);
4453 4459          }
4454 4460  
4455 4461          *(cb.cb_value) = '\0';
4456 4462          cb.cb_value++;
4457 4463  
4458 4464          error = for_each_pool(argc - 2, argv + 2, B_TRUE, NULL,
4459 4465              set_callback, &cb);
4460 4466  
4461 4467          return (error);
4462 4468  }
4463 4469  
4464 4470  static int
4465 4471  find_command_idx(char *command, int *idx)
4466 4472  {
4467 4473          int i;
4468 4474  
4469 4475          for (i = 0; i < NCOMMAND; i++) {
4470 4476                  if (command_table[i].name == NULL)
4471 4477                          continue;
4472 4478  
4473 4479                  if (strcmp(command, command_table[i].name) == 0) {
4474 4480                          *idx = i;
4475 4481                          return (0);
4476 4482                  }
4477 4483          }
4478 4484          return (1);
4479 4485  }
4480 4486  
4481 4487  int
4482 4488  main(int argc, char **argv)
4483 4489  {
4484 4490          int ret;
4485 4491          int i;
4486 4492          char *cmdname;
4487 4493  
4488 4494          (void) setlocale(LC_ALL, "");
4489 4495          (void) textdomain(TEXT_DOMAIN);
4490 4496  
4491 4497          if ((g_zfs = libzfs_init()) == NULL) {
4492 4498                  (void) fprintf(stderr, gettext("internal error: failed to "
4493 4499                      "initialize ZFS library\n"));
4494 4500                  return (1);
4495 4501          }
4496 4502  
4497 4503          libzfs_print_on_error(g_zfs, B_TRUE);
4498 4504  
4499 4505          opterr = 0;
4500 4506  
4501 4507          /*
4502 4508           * Make sure the user has specified some command.
4503 4509           */
4504 4510          if (argc < 2) {
4505 4511                  (void) fprintf(stderr, gettext("missing command\n"));
4506 4512                  usage(B_FALSE);
4507 4513          }
4508 4514  
4509 4515          cmdname = argv[1];
4510 4516  
4511 4517          /*
4512 4518           * Special case '-?'
4513 4519           */
4514 4520          if (strcmp(cmdname, "-?") == 0)
4515 4521                  usage(B_TRUE);
4516 4522  
4517 4523          zpool_set_history_str("zpool", argc, argv, history_str);
4518 4524          verify(zpool_stage_history(g_zfs, history_str) == 0);
4519 4525  
4520 4526          /*
4521 4527           * Run the appropriate command.
4522 4528           */
4523 4529          if (find_command_idx(cmdname, &i) == 0) {
4524 4530                  current_command = &command_table[i];
4525 4531                  ret = command_table[i].func(argc - 1, argv + 1);
4526 4532          } else if (strchr(cmdname, '=')) {
4527 4533                  verify(find_command_idx("set", &i) == 0);
4528 4534                  current_command = &command_table[i];
4529 4535                  ret = command_table[i].func(argc, argv);
4530 4536          } else if (strcmp(cmdname, "freeze") == 0 && argc == 3) {
4531 4537                  /*
4532 4538                   * 'freeze' is a vile debugging abomination, so we treat
4533 4539                   * it as such.
4534 4540                   */
4535 4541                  char buf[16384];
4536 4542                  int fd = open(ZFS_DEV, O_RDWR);
4537 4543                  (void) strcpy((void *)buf, argv[2]);
4538 4544                  return (!!ioctl(fd, ZFS_IOC_POOL_FREEZE, buf));
4539 4545          } else {
4540 4546                  (void) fprintf(stderr, gettext("unrecognized "
4541 4547                      "command '%s'\n"), cmdname);
4542 4548                  usage(B_FALSE);
4543 4549          }
4544 4550  
4545 4551          libzfs_fini(g_zfs);
4546 4552  
4547 4553          /*
4548 4554           * The 'ZFS_ABORT' environment variable causes us to dump core on exit
4549 4555           * for the purposes of running ::findleaks.
4550 4556           */
4551 4557          if (getenv("ZFS_ABORT") != NULL) {
4552 4558                  (void) printf("dumping core by request\n");
4553 4559                  abort();
4554 4560          }
4555 4561  
4556 4562          return (ret);
4557 4563  }
  
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