I noticed a disk failure just now on one of the drives in my main pool -
heard the clicking sound of repeated access attempts so I looked at what
'zpool status' said:
pool: export
state: DEGRADED
status: One or more devices are faulted in response to persistent errors.
Sufficient replicas exist for the pool to continue functioning in a
degraded state.
action: Replace the faulted device, or use 'zpool clear' to mark the device
repaired.
scan: scrub repaired 0 in 8h12m with 0 errors on Sat Aug 31 10:09:50 2013
config:
NAME STATE READ WRITE CKSUM
export DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
ata-WDC_WD10EACS-00ZJB0_WD-WCASJ2114122 ONLINE 0 0 0
ata-WDC_WD10EACS-00ZJB0_WD-WCASJ2195141 ONLINE 0 0 0
ata-WDC_WD10EARS-00Y5B1_WD-WMAV50817803 FAULTED 1 2 0
too many errors
ata-ST31000528AS_9VP18CCV ONLINE 0 0 0
logs
mirror-1 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-0974C023I4P2G1B8-part7 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-8RL5XW08536INH7R-part7 ONLINE 0 0 0
cache
ata-OCZ-VECTOR_OCZ-0974C023I4P2G1B8-part6 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-8RL5XW08536INH7R-part6 ONLINE 0 0 0
errors: No known data errors
the fix is easy, insert replacement disk and run:
# zpool replace -f export ata-WDC_WD10EARS-00Y5B1_WD-WMAV50817803
ata-WDC_WD10EARS-00Y5B1_WD-WMAV50933036
# zpool status -v export
pool: export
state: DEGRADED
status: One or more devices is currently being resilvered. The pool will
continue to function, possibly in a degraded state.
action: Wait for the resilver to complete.
scan: resilver in progress since Wed Sep 4 10:13:09 2013
109G scanned out of 2.78T at 75.9M/s, 10h15m to go
27.3G resilvered, 3.84% done
config:
NAME STATE READ WRITE CKSUM
export DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
ata-WDC_WD10EACS-00ZJB0_WD-WCASJ2114122 ONLINE 0 0 0
ata-WDC_WD10EACS-00ZJB0_WD-WCASJ2195141 ONLINE 0 0 0
replacing-2 FAULTED 0 0 0
ata-WDC_WD10EARS-00Y5B1_WD-WMAV50817803 FAULTED 1 2 0
too many errors
ata-WDC_WD10EARS-00Y5B1_WD-WMAV50933036 ONLINE 0 0 0
(resilvering)
ata-ST31000528AS_9VP18CCV ONLINE 0 0 0
logs
mirror-1 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-0974C023I4P2G1B8-part7 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-8RL5XW08536INH7R-part7 ONLINE 0 0 0
cache
ata-OCZ-VECTOR_OCZ-0974C023I4P2G1B8-part6 ONLINE 0 0 0
ata-OCZ-VECTOR_OCZ-8RL5XW08536INH7R-part6 ONLINE 0 0 0
errors: No known data errors
craig
--
craig sanders <[email protected]>
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