I'm posting this in hopes someone can help me out. Yesterday, it appears we
lost 2-3 drives in our pool. The pool is 22 drives mirrored with 2 hot
spares, both of which activated:
Here's the current state of the pool:
pool: vmstorage
state: DEGRADED
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
scan: resilvered 517G in 6h8m with 1 errors on Fri Jul 8 02:56:21 2011
config:
NAME STATE READ WRITE CKSUM
vmstorage DEGRADED 18 0 0
mirror-0 ONLINE 0 0 0
c1t5000C5002DAEAB3Cd0 ONLINE 0 0 0
c1t5000C5002DAEDC16d0 ONLINE 0 0 0
mirror-1 ONLINE 0 0 0
c1t5000C5002DAEDEA4d0 ONLINE 0 0 0
c1t5000C5002DAEED3Ed0 ONLINE 0 0 0
mirror-2 DEGRADED 1 0 0
spare-0 DEGRADED 1 0 0
c1t5000C5002DAEF015d0 DEGRADED 1 0 0 too many
errors
c1t5000C5002DAFEACCd0 ONLINE 0 0 2
spare-1 DEGRADED 2 0 0
c1t5000C5002DAF0B60d0 FAULTED 0 0 0 too many
errors
c1t5000C5002DAFE81Bd0 ONLINE 0 0 2
mirror-3 DEGRADED 6 0 0
c1t5000C5002DAF0E57d0 ONLINE 0 0 0
c1t5000C5002DAF5AF7d0 FAULTED 0 0 0 too many
errors
mirror-4 ONLINE 0 0 0
c1t5000C5002DAF5D4Bd0 ONLINE 0 0 0
c1t5000C5002DAF5EE4d0 ONLINE 0 0 0
mirror-5 ONLINE 0 0 0
c1t5000C5002DAF8A56d0 ONLINE 0 0 0
c1t5000C5002DAF08C0d0 ONLINE 0 0 0
mirror-6 ONLINE 0 0 0
c1t5000C5002DAF9B8Bd0 ONLINE 0 0 0
c1t5000C5002DAF76E9d0 ONLINE 0 0 0
mirror-7 ONLINE 0 0 0
c1t5000C5002DAF241Ad0 ONLINE 0 0 0
c1t5000C5002DAF556Ed0 ONLINE 0 0 0
mirror-8 ONLINE 11 0 0
c1t5000C5002DAF1140d0 ONLINE 11 0 0
c1t5000C5002DAF6428d0 ONLINE 11 0 0
mirror-9 ONLINE 0 0 0
c1t5000C5002DAFC8EEd0 ONLINE 0 0 0
c1t5000C5002DAFC42Fd0 ONLINE 0 0 0
mirror-10 ONLINE 0 0 0
c1t5000C5002DAFCB37d0 ONLINE 0 0 0
c1t5000C5002DAFD4A7d0 ONLINE 0 0 0
logs
mirror-11 ONLINE 0 0 0
c1t50015179594B0EF0d0 ONLINE 0 0 0
c1t50015179594DC9E4d0 ONLINE 0 0 0
cache
c1t50015179594DD9AAd0 ONLINE 0 0 0
c1t50015179594DD9C1d0 ONLINE 0 0 0
spares
c1t5000C5002DAFE81Bd0 INUSE currently in use
c1t5000C5002DAFEACCd0 INUSE currently in use
errors: 1 data errors, use '-v' for a list
I know I've lost some data, which I'm currently restoring from backup (yes,
thankfully I have everything backed up).
I have two questions though:
1) I haven't found a definitive answer on what I need to do to replace the
two failed drives. zpool detach [failed_drive]? and the spare takes over,
or is it more complicated than that?
2) Some data (LUNS) on this pool are still available and functioning fine.
Can I trust this pool once I replace the failed drives, delete the trashed
LUNs and scrub? I can't remove the whole pool and start over again, I've
got customers irritated enough as it is.
Your advice/help is greatly appreciated.
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