1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
23 */
24
25 /*
26 * This file contains the functions which analyze the status of a pool. This
27 * include both the status of an active pool, as well as the status exported
28 * pools. Returns one of the ZPOOL_STATUS_* defines describing the status of
29 * the pool. This status is independent (to a certain degree) from the state of
30 * the pool. A pool's state describes only whether or not it is capable of
31 * providing the necessary fault tolerance for data. The status describes the
32 * overall status of devices. A pool that is online can still have a device
33 * that is experiencing errors.
34 *
35 * Only a subset of the possible faults can be detected using 'zpool status',
36 * and not all possible errors correspond to a FMA message ID. The explanation
37 * is left up to the caller, depending on whether it is a live pool or an
38 * import.
39 */
40
41 #include <libzfs.h>
42 #include <string.h>
197 if (ps && ps->pss_func == POOL_SCAN_RESILVER &&
198 ps->pss_state == DSS_SCANNING)
199 return (ZPOOL_STATUS_RESILVERING);
200
201 /*
202 * Pool last accessed by another system.
203 */
204 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, &hostid);
205 if (hostid != 0 && (unsigned long)hostid != gethostid() &&
206 stateval == POOL_STATE_ACTIVE)
207 return (ZPOOL_STATUS_HOSTID_MISMATCH);
208
209 /*
210 * Newer on-disk version.
211 */
212 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
213 vs->vs_aux == VDEV_AUX_VERSION_NEWER)
214 return (ZPOOL_STATUS_VERSION_NEWER);
215
216 /*
217 * Check that the config is complete.
218 */
219 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
220 vs->vs_aux == VDEV_AUX_BAD_GUID_SUM)
221 return (ZPOOL_STATUS_BAD_GUID_SUM);
222
223 /*
224 * Check whether the pool has suspended due to failed I/O.
225 */
226 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_SUSPENDED,
227 &suspended) == 0) {
228 if (suspended == ZIO_FAILURE_MODE_CONTINUE)
229 return (ZPOOL_STATUS_IO_FAILURE_CONTINUE);
230 return (ZPOOL_STATUS_IO_FAILURE_WAIT);
231 }
232
233 /*
234 * Could not read a log.
235 */
236 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
283 * Devices with errors
284 */
285 if (!isimport && find_vdev_problem(nvroot, vdev_errors))
286 return (ZPOOL_STATUS_FAILING_DEV);
287
288 /*
289 * Offlined devices
290 */
291 if (find_vdev_problem(nvroot, vdev_offlined))
292 return (ZPOOL_STATUS_OFFLINE_DEV);
293
294 /*
295 * Removed device
296 */
297 if (find_vdev_problem(nvroot, vdev_removed))
298 return (ZPOOL_STATUS_REMOVED_DEV);
299
300 /*
301 * Outdated, but usable, version
302 */
303 if (version < SPA_VERSION)
304 return (ZPOOL_STATUS_VERSION_OLDER);
305
306 return (ZPOOL_STATUS_OK);
307 }
308
309 zpool_status_t
310 zpool_get_status(zpool_handle_t *zhp, char **msgid)
311 {
312 zpool_status_t ret = check_status(zhp->zpool_config, B_FALSE);
313
314 if (ret >= NMSGID)
315 *msgid = NULL;
316 else
317 *msgid = zfs_msgid_table[ret];
318
319 return (ret);
320 }
321
322 zpool_status_t
323 zpool_import_status(nvlist_t *config, char **msgid)
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1 /*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21
22 /*
23 * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
24 * Copyright (c) 2012 by Delphix. All rights reserved.
25 */
26
27 /*
28 * This file contains the functions which analyze the status of a pool. This
29 * include both the status of an active pool, as well as the status exported
30 * pools. Returns one of the ZPOOL_STATUS_* defines describing the status of
31 * the pool. This status is independent (to a certain degree) from the state of
32 * the pool. A pool's state describes only whether or not it is capable of
33 * providing the necessary fault tolerance for data. The status describes the
34 * overall status of devices. A pool that is online can still have a device
35 * that is experiencing errors.
36 *
37 * Only a subset of the possible faults can be detected using 'zpool status',
38 * and not all possible errors correspond to a FMA message ID. The explanation
39 * is left up to the caller, depending on whether it is a live pool or an
40 * import.
41 */
42
43 #include <libzfs.h>
44 #include <string.h>
199 if (ps && ps->pss_func == POOL_SCAN_RESILVER &&
200 ps->pss_state == DSS_SCANNING)
201 return (ZPOOL_STATUS_RESILVERING);
202
203 /*
204 * Pool last accessed by another system.
205 */
206 (void) nvlist_lookup_uint64(config, ZPOOL_CONFIG_HOSTID, &hostid);
207 if (hostid != 0 && (unsigned long)hostid != gethostid() &&
208 stateval == POOL_STATE_ACTIVE)
209 return (ZPOOL_STATUS_HOSTID_MISMATCH);
210
211 /*
212 * Newer on-disk version.
213 */
214 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
215 vs->vs_aux == VDEV_AUX_VERSION_NEWER)
216 return (ZPOOL_STATUS_VERSION_NEWER);
217
218 /*
219 * Unsupported feature(s).
220 */
221 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
222 vs->vs_aux == VDEV_AUX_UNSUP_FEAT) {
223 nvlist_t *nvinfo;
224
225 verify(nvlist_lookup_nvlist(config, ZPOOL_CONFIG_LOAD_INFO,
226 &nvinfo) == 0);
227 if (nvlist_exists(nvinfo, ZPOOL_CONFIG_CAN_RDONLY))
228 return (ZPOOL_STATUS_UNSUP_FEAT_WRITE);
229 return (ZPOOL_STATUS_UNSUP_FEAT_READ);
230 }
231
232 /*
233 * Check that the config is complete.
234 */
235 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
236 vs->vs_aux == VDEV_AUX_BAD_GUID_SUM)
237 return (ZPOOL_STATUS_BAD_GUID_SUM);
238
239 /*
240 * Check whether the pool has suspended due to failed I/O.
241 */
242 if (nvlist_lookup_uint64(config, ZPOOL_CONFIG_SUSPENDED,
243 &suspended) == 0) {
244 if (suspended == ZIO_FAILURE_MODE_CONTINUE)
245 return (ZPOOL_STATUS_IO_FAILURE_CONTINUE);
246 return (ZPOOL_STATUS_IO_FAILURE_WAIT);
247 }
248
249 /*
250 * Could not read a log.
251 */
252 if (vs->vs_state == VDEV_STATE_CANT_OPEN &&
299 * Devices with errors
300 */
301 if (!isimport && find_vdev_problem(nvroot, vdev_errors))
302 return (ZPOOL_STATUS_FAILING_DEV);
303
304 /*
305 * Offlined devices
306 */
307 if (find_vdev_problem(nvroot, vdev_offlined))
308 return (ZPOOL_STATUS_OFFLINE_DEV);
309
310 /*
311 * Removed device
312 */
313 if (find_vdev_problem(nvroot, vdev_removed))
314 return (ZPOOL_STATUS_REMOVED_DEV);
315
316 /*
317 * Outdated, but usable, version
318 */
319 if (SPA_VERSION_IS_SUPPORTED(version) && version != SPA_VERSION)
320 return (ZPOOL_STATUS_VERSION_OLDER);
321
322 return (ZPOOL_STATUS_OK);
323 }
324
325 zpool_status_t
326 zpool_get_status(zpool_handle_t *zhp, char **msgid)
327 {
328 zpool_status_t ret = check_status(zhp->zpool_config, B_FALSE);
329
330 if (ret >= NMSGID)
331 *msgid = NULL;
332 else
333 *msgid = zfs_msgid_table[ret];
334
335 return (ret);
336 }
337
338 zpool_status_t
339 zpool_import_status(nvlist_t *config, char **msgid)
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