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sh-3.2$ date
Fri 25 Jan 2013 21:31:13 GMT
sh-3.2$ sudo zpool status -v twoz
Password:
pool: twoz
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.
scan: scrub repaired 368Ki in 20h48m with 2 errors on Wed Jan 23 18:18:12 2013
config:
NAME STATE READ WRITE CKSUM
twoz ONLINE 0 0 0
GPTE_34E7E852-7E88-4FAD-B162-2AEF6D300D42 ONLINE 0 0 0 at disk10s4
errors: Permanent errors have been detected in the following files:
twoz@2013-01-02-191022:/macbookpro08-centrim.sparsebundle/bands/3252
twoz@2013-01-02-191022:/macbookpro08-centrim.sparsebundle/bands/4aca
sh-3.2$ zfs destroy twoz@2013-01-02-191022
sh-3.2$ sudo zpool status -v twoz
pool: twoz
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.
scan: scrub repaired 368Ki in 20h48m with 2 errors on Wed Jan 23 18:18:12 2013
config:
NAME STATE READ WRITE CKSUM
twoz ONLINE 0 0 0
GPTE_34E7E852-7E88-4FAD-B162-2AEF6D300D42 ONLINE 0 0 0 at disk10s4
errors: Permanent errors have been detected in the following files:
<0x30e>:<0x4400>
<0x30e>:<0x5d2d>
So in that example, the two unidentifiable listings –
- <0x30e>:<0x4400>
- <0x30e>:<0x5d2d>
– are the result of destroying the snapshot that contained the files (and I guess that the files existed in no other snapshot).
Wondering whether there's room for improvement in ZFS (not specific to ZEVO), I drew attention to this in IRC: