Hi,
after node panic I have an issue with import one of my zpools:
# zpool import dmysqlb2
cannot iterate filesystems: I/O error
so I tried to list zfs filesystems:
# zfs list -r dmysqlb2
cannot iterate filesystems: I/O error
NAME USED AVAIL REFER MOUNTPOINT
dmysqlb2 15.5G 43.0G 18K none
dmysq...@20101130 0 - 18K -
there should be either:
dmysqlb2/etc
dmysqlb2/var
and their snapshots.
# zpool status -xv
pool: dmysqlb2
state: ONLINE
status: One or more devices has experienced an error resulting in data
corruption. Applications may be affected.
action: Restore the file in question if possible. Otherwise restore the
entire pool from backup.
see: http://www.sun.com/msg/ZFS-8000-8A
scrub: none requested
config:
NAME STATE READ WRITE CKSUM
dmysqlb2 ONLINE 0 0 5
mirror ONLINE 0 0 20
c4t600A0B80002ACF5A00000D584AD5EEFFd0 ONLINE 0 0 20
c4t600A0B80002ACF320000157F4ACDF206d0 ONLINE 0 0 20
errors: Permanent errors have been detected in the following files:
dmysqlb2/var:<0x0>
output from zdb:
# zdb dmysqlb2
version=15
name='dmysqlb2'
state=0
txg=1350126
pool_guid=258476501669044711
hostid=2207000451
hostname='wega'
vdev_tree
type='root'
id=0
guid=258476501669044711
children[0]
type='mirror'
id=0
guid=1727969291773901682
metaslab_array=14
metaslab_shift=29
ashift=9
asize=64411140096
is_log=0
children[0]
type='disk'
id=0
guid=3314848442807482804
path='/dev/dsk/c4t600A0B80002ACF5A00000D584AD5EEFFd0s0'
devid='id1,s...@n600a0b80002acf5a00000d584ad5eeff/a'
phys_path='/scsi_vhci/s...@g600a0b80002acf5a00000d584ad5eeff:a'
whole_disk=1
DTL=35
children[1]
type='disk'
id=1
guid=15321902971336355296
path='/dev/dsk/c4t600A0B80002ACF320000157F4ACDF206d0s0'
devid='id1,s...@n600a0b80002acf320000157f4acdf206/a'
phys_path='/scsi_vhci/s...@g600a0b80002acf320000157f4acdf206:a'
whole_disk=1
DTL=36
WARNING: can't open objset for dmysqlb2/var
Uberblock
magic = 0000000000bab10c
version = 15
txg = 1350153
guid_sum = 2176453133877232877
timestamp = 1294658859 UTC = Mon Jan 10 12:27:39 2011
Dataset mos [META], ID 0, cr_txg 4, 10.7M, 92 objects
Metaslabs:
vdev offset spacemap free
---------- ------------------- --------------- -------------
vdev 0 offset 0 spacemap 17 free 237M
vdev 0 offset 20000000 spacemap 19 free 139M
vdev 0 offset 40000000 spacemap 23 free 87.8M
vdev 0 offset 60000000 spacemap 32 free 264M
vdev 0 offset 80000000 spacemap 34 free 262M
vdev 0 offset a0000000 spacemap 37 free 258M
vdev 0 offset c0000000 spacemap 40 free 273M
vdev 0 offset e0000000 spacemap 64 free 238M
vdev 0 offset 100000000 spacemap 65 free 274M
vdev 0 offset 120000000 spacemap 66 free 55.1M
vdev 0 offset 140000000 spacemap 67 free 212K
vdev 0 offset 160000000 spacemap 69 free 155K
vdev 0 offset 180000000 spacemap 71 free 270M
vdev 0 offset 1a0000000 spacemap 75 free 91.1M
vdev 0 offset 1c0000000 spacemap 77 free 158M
vdev 0 offset 1e0000000 spacemap 80 free 251M
vdev 0 offset 200000000 spacemap 82 free 260M
vdev 0 offset 220000000 spacemap 92 free 283M
vdev 0 offset 240000000 spacemap 93 free 279M
vdev 0 offset 260000000 spacemap 94 free 50.4M
vdev 0 offset 280000000 spacemap 95 free 136M
vdev 0 offset 2a0000000 spacemap 0 free 512M
vdev 0 offset 2c0000000 spacemap 0 free 512M
vdev 0 offset 2e0000000 spacemap 16 free 59.3M
vdev 0 offset 300000000 spacemap 20 free 123M
vdev 0 offset 320000000 spacemap 24 free 249M
vdev 0 offset 340000000 spacemap 62 free 20.7M
vdev 0 offset 360000000 spacemap 0 free 512M
vdev 0 offset 380000000 spacemap 38 free 269M
vdev 0 offset 3a0000000 spacemap 0 free 512M
vdev 0 offset 3c0000000 spacemap 63 free 204M
vdev 0 offset 3e0000000 spacemap 0 free 512M
vdev 0 offset 400000000 spacemap 0 free 512M
vdev 0 offset 420000000 spacemap 0 free 512M
vdev 0 offset 440000000 spacemap 0 free 512M
vdev 0 offset 460000000 spacemap 70 free 21.9M
vdev 0 offset 480000000 spacemap 74 free 37.7M
vdev 0 offset 4a0000000 spacemap 78 free 91.9M
vdev 0 offset 4c0000000 spacemap 79 free 56.3M
vdev 0 offset 4e0000000 spacemap 81 free 316M
vdev 0 offset 500000000 spacemap 0 free 512M
vdev 0 offset 520000000 spacemap 0 free 512M
vdev 0 offset 540000000 spacemap 0 free 512M
vdev 0 offset 560000000 spacemap 0 free 512M
vdev 0 offset 580000000 spacemap 0 free 512M
vdev 0 offset 5a0000000 spacemap 0 free 512M
vdev 0 offset 5c0000000 spacemap 15 free 57.3M
vdev 0 offset 5e0000000 spacemap 22 free 88.8M
vdev 0 offset 600000000 spacemap 25 free 23.1M
vdev 0 offset 620000000 spacemap 33 free 138M
vdev 0 offset 640000000 spacemap 0 free 512M
vdev 0 offset 660000000 spacemap 39 free 67.6M
vdev 0 offset 680000000 spacemap 0 free 512M
vdev 0 offset 6a0000000 spacemap 0 free 512M
vdev 0 offset 6c0000000 spacemap 0 free 512M
vdev 0 offset 6e0000000 spacemap 0 free 512M
vdev 0 offset 700000000 spacemap 0 free 512M
vdev 0 offset 720000000 spacemap 0 free 512M
vdev 0 offset 740000000 spacemap 72 free 634K
vdev 0 offset 760000000 spacemap 73 free 527K
vdev 0 offset 780000000 spacemap 0 free 512M
vdev 0 offset 7a0000000 spacemap 0 free 512M
vdev 0 offset 7c0000000 spacemap 83 free 350M
vdev 0 offset 7e0000000 spacemap 84 free 359M
vdev 0 offset 800000000 spacemap 85 free 355M
vdev 0 offset 820000000 spacemap 0 free 512M
vdev 0 offset 840000000 spacemap 0 free 512M
vdev 0 offset 860000000 spacemap 0 free 512M
vdev 0 offset 880000000 spacemap 0 free 512M
vdev 0 offset 8a0000000 spacemap 18 free 144M
vdev 0 offset 8c0000000 spacemap 0 free 512M
vdev 0 offset 8e0000000 spacemap 68 free 377M
vdev 0 offset 900000000 spacemap 0 free 512M
vdev 0 offset 920000000 spacemap 0 free 512M
vdev 0 offset 940000000 spacemap 0 free 512M
vdev 0 offset 960000000 spacemap 0 free 512M
vdev 0 offset 980000000 spacemap 0 free 512M
vdev 0 offset 9a0000000 spacemap 0 free 512M
vdev 0 offset 9c0000000 spacemap 0 free 512M
vdev 0 offset 9e0000000 spacemap 0 free 512M
vdev 0 offset a00000000 spacemap 0 free 512M
vdev 0 offset a20000000 spacemap 0 free 512M
vdev 0 offset a40000000 spacemap 76 free 361M
vdev 0 offset a60000000 spacemap 0 free 512M
vdev 0 offset a80000000 spacemap 0 free 512M
vdev 0 offset aa0000000 spacemap 0 free 512M
vdev 0 offset ac0000000 spacemap 0 free 512M
vdev 0 offset ae0000000 spacemap 0 free 512M
vdev 0 offset b00000000 spacemap 0 free 512M
vdev 0 offset b20000000 spacemap 0 free 512M
vdev 0 offset b40000000 spacemap 0 free 512M
vdev 0 offset b60000000 spacemap 0 free 512M
vdev 0 offset b80000000 spacemap 21 free 18.9M
vdev 0 offset ba0000000 spacemap 0 free 512M
vdev 0 offset bc0000000 spacemap 0 free 512M
vdev 0 offset be0000000 spacemap 0 free 512M
vdev 0 offset c00000000 spacemap 0 free 512M
vdev 0 offset c20000000 spacemap 0 free 512M
vdev 0 offset c40000000 spacemap 0 free 512M
vdev 0 offset c60000000 spacemap 0 free 512M
vdev 0 offset c80000000 spacemap 0 free 512M
vdev 0 offset ca0000000 spacemap 0 free 512M
vdev 0 offset cc0000000 spacemap 0 free 512M
vdev 0 offset ce0000000 spacemap 0 free 512M
vdev 0 offset d00000000 spacemap 0 free 512M
vdev 0 offset d20000000 spacemap 0 free 512M
vdev 0 offset d40000000 spacemap 0 free 512M
vdev 0 offset d60000000 spacemap 0 free 512M
vdev 0 offset d80000000 spacemap 0 free 512M
vdev 0 offset da0000000 spacemap 0 free 512M
vdev 0 offset dc0000000 spacemap 0 free 512M
vdev 0 offset de0000000 spacemap 0 free 512M
vdev 0 offset e00000000 spacemap 0 free 512M
vdev 0 offset e20000000 spacemap 0 free 512M
vdev 0 offset e40000000 spacemap 0 free 512M
vdev 0 offset e60000000 spacemap 0 free 512M
vdev 0 offset e80000000 spacemap 0 free 512M
vdev 0 offset ea0000000 spacemap 0 free 512M
vdev 0 offset ec0000000 spacemap 0 free 512M
Dataset dmysqlb2/v...@20101130 [ZPL], ID 104, cr_txg 1240849, 14.5G, 36394
objects
Could not open dmysqlb2/var
Dataset dmysqlb2/e...@20101130 [ZPL], ID 106, cr_txg 1240849, 49.5K, 12 objects
Dataset dmysqlb2/etc [ZPL], ID 29, cr_txg 82, 49.5K, 12 objects
Dataset dmysq...@20101130 [ZPL], ID 108, cr_txg 1240849, 18.0K, 3 objects
Dataset dmysqlb2 [ZPL], ID 5, cr_txg 4, 18.0K, 3 objects
capacity operations bandwidth ---- errors ----
description used avail read write read write read write cksum
dmysqlb2 15.5G 44.0G 26 0 113K 0 0 0 4
mirror 15.5G 44.0G 26 0 113K 0 0 0 16
/dev/dsk/c4t600A0B80002ACF5A00000D584AD5EEFFd0s0 17 0 973K 0
0 0 16
/dev/dsk/c4t600A0B80002ACF320000157F4ACDF206d0s0 17 0 972K 0
0 0 16
how can I fix this?
Regards
Piotr Tarnowski /DrFugazi/
University of Silesia, Katowice, Poland
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