# [OmniOS-discuss] r151014 users - beware of illumos 6214 and L2ARC

Michael Rasmussen mir at miras.org
Sat Sep 12 07:51:20 UTC 2015

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    On Fri, 11 Sep 2015 14:48:53 -0700
    "Paul B. Henson" <henson at acm.org> wrote:

    >
    > I'm going to follow up on this on the zfs mailing list where I started a
    > similar thread, I believe you're on that one too. Arne (who reported the
    > bug) asked for a core dump too.
    >
    This was the last output before a core dump as well:
            bp count:         9714726
            ganged count:           0
            bp logical:    195145003520      avg:  20087
            bp physical:   98523881984      avg:  10141     compression:
    1.98 bp allocated:  99671800832      avg:  10259     compression:   1.96
            bp deduped:             0    ref>1:      0   deduplication:
    1.00 SPA allocated: 254987610112     used: 12.80%

            additional, non-pointer bps of type 0:     909373
            Dittoed blocks on same vdev: 103472

    Blocks  LSIZE   PSIZE   ASIZE     avg    comp   %Total  Type
         -      -       -       -       -       -        -  unallocated
         2    32K   4.50K   13.5K   6.75K    7.11     0.00  object directory
         6  3.00K      2K   6.00K      1K    1.50     0.00  object array
         2    32K     16K   48.0K   24.0K    2.00     0.00  packed nvlist
         -      -       -       -       -       -        -  packed nvlist
    size 2    32K   1.50K   4.50K   2.25K   21.33     0.00  bpobj
         -      -       -       -       -       -        -  bpobj header
         -      -       -       -       -       -        -  SPA space map
    header 99.4K   411M    313M    940M   9.45K    1.31     0.99  SPA space
    map 10  1.07M   1.07M   1.07M    110K    1.00     0.00  ZIL intent log
       437  6.83M    588K   1.23M   2.87K   11.90     0.00  DMU dnode
        11  22.0K   5.50K   11.5K   1.04K    4.00     0.00  DMU objset
         -      -       -       -       -       -        -  DSL directory
        55  31.0K   14.5K   43.5K     809    2.14     0.00  DSL directory
    child map 53  26.5K   10.0K   30.0K     579    2.65     0.00  DSL
    dataset snap map 106  1.60M    197K    591K   5.58K    8.29     0.00
    DSL props
         -      -       -       -       -       -        -  DSL dataset
         -      -       -       -       -       -        -  ZFS znode
         -      -       -       -       -       -        -  ZFS V0 ACL
      926K   114G   56.2G   56.3G   62.2K    2.04    60.62  ZFS plain file
     1.07K  4.64M   1.02M   2.05M   1.92K    4.53     0.00  ZFS directory
         2     2K      1K      2K      1K    2.00     0.00  ZFS master node
         2   127K      1K      2K      1K   126.50    0.00  ZFS delete queue
     8.26M  66.8G   35.2G   35.6G   4.31K    1.90    38.39  zvol object
         8     4K   3.00K   6.00K     768    1.33     0.00  zvol prop
         -      -       -       -       -       -        -  other uint8[]
         -      -       -       -       -       -        -  other uint64[]
         -      -       -       -       -       -        -  other ZAP
         -      -       -       -       -       -        -  persistent
    error log 11  1.27M    306K    917K   83.3K    4.24     0.00  SPA
    history
         -      -       -       -       -       -        -  SPA history
    offsets
         -      -       -       -       -       -        -  Pool properties
         -      -       -       -       -       -        -  DSL permissions
         -      -       -       -       -       -        -  ZFS ACL
         -      -       -       -       -       -        -  ZFS SYSACL
         -      -       -       -       -       -        -  FUID table
         -      -       -       -       -       -        -  FUID table size
         1     4K      1K   3.00K   3.00K    4.00     0.00  DSL dataset
    next clones
         -      -       -       -       -       -        -  scan work queue
         -      -       -       -       -       -        -  ZFS user/group
    used
         -      -       -       -       -       -        -  ZFS user/group
    quota
         -      -       -       -       -       -        -  snapshot
    refcount tags
         -      -       -       -       -       -        -  DDT ZAP
    algorithm
         -      -       -       -       -       -        -  DDT statistics
         -      -       -       -       -       -        -  System
    attributes 2     1K      1K      2K      1K    1.00     0.00  SA master
    node 2  3.00K      1K      2K      1K    3.00     0.00  SA attr
    registration 4    64K   7.00K   14.0K   3.50K    9.14     0.00  SA attr
    layouts
         -      -       -       -       -       -        -  scan
    translations
         -      -       -       -       -       -        -  deduplicated
    block 54  27.0K   10.5K   31.5K     597    2.57     0.00  DSL deadlist
    map
         -      -       -       -       -       -        -  DSL deadlist
    map hdr 9     8K      4K   12.0K   1.33K    2.00     0.00  DSL dir
    clones
         -      -       -       -       -       -        -  bpobj subobj
        26   272K    204K    611K   23.5K    1.34     0.00  deferred free
         -      -       -       -       -       -        -  dedup ditto
         5  33.5K   6.00K   18.0K   3.60K    5.58     0.00  other
     9.26M   182G   91.8G   92.8G   10.0K    1.98   100.00  Total

                                capacity   operations   bandwidth  ----
                                errors ---- description                used
                                avail  read write  read write  read write
                                cksum vMotion                    237G
                                1.58T  1001     0 10.5M     0     0     0
                                7.35K mirror                   117G  811G
                                453     0 5.03M     0     0     0
                                15.1K /dev/dsk/c2t1d0s0
                                176     0 3.94M     0     0     0
                                15.1K /dev/dsk/c2t0d0s0
                                176     0 3.93M     0     0     0 15.1K
                                mirror                   121G  807G
                                547     0 5.50M     0     0     0
                                52 /dev/dsk/c2t2d0s0
                                237     0 4.26M     0     0     0
                                52 /dev/dsk/c2t3d0s0
                                237     0 4.27M     0     0     0    52
                                log /dev/dsk/c5t1d0p1   5.39M 7.12G
                                0     0   206     0     0     0     0
                                Segmentation Fault (core dumped)

    I have the core file but it is 4.3G in size. Does anyone have an
    interest in this core file?

    --
    Hilsen/Regards
    Michael Rasmussen

    Get my public GnuPG keys:
    michael <at> rasmussen <dot> cc
    http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xD3C9A00E
    mir <at> datanom <dot> net
    http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE501F51C
    mir <at> miras <dot> org
    http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xE3E80917
    --------------------------------------------------------------
    /usr/games/fortune -es says:
    In charity there is no excess.
    		-- Francis Bacon
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