====== ZFS. Мониторинг состояния. ======
[[http://forums.freenas.org/showthread.php?2520-ZFS-Mirror-Disk-Degraded-How-to-Rebuilding]]
[[http://www.sysadmin-cookbook.net/zfs/]]
[[http://jsosic.wordpress.com/2013/01/01/expanding-zfs-zpool-raid/]]
# zpool status
pool: zroot
state: DEGRADED
status: One or more devices could not be opened. Sufficient replicas exist for
the pool to continue functioning in a degraded state.
action: Attach the missing device and online it using 'zpool online'.
see: http://illumos.org/msg/ZFS-8000-2Q
scan: none requested
config:
NAME STATE READ WRITE CKSUM
zroot DEGRADED 0 0 0
mirror-0 DEGRADED 0 0 0
9461134400946846493 UNAVAIL 0 0 0 was /dev/gpt/disk11
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
После ребута
zpool status
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: resilvered 1011M in 0h0m with 0 errors on Sun May 12 00:34:24 2013
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
zpool scrub zroot
root@vw2:/usr/home/olexande # zpool status -x
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: scrub in progress since Sun May 12 00:35:06 2013
555M scanned out of 55.6G at 37.0M/s, 0h25m to go
0 repaired, 0.97% done
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
Загруженность
zpool iostat
capacity operations bandwidth
pool alloc free read write read write
---------- ----- ----- ----- ----- ----- -----
zroot 55.6G 172G 1.20K 49 19.4M 116K
Позже
zpool status -x
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: scrub in progress since Sun May 12 00:35:06 2013
6.53G scanned out of 55.6G at 42.9M/s, 0h19m to go
0 repaired, 11.74% done
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
zpool status -x
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: scrub in progress since Sun May 12 00:35:06 2013
37.6G scanned out of 55.6G at 64.2M/s, 0h4m to go
0 repaired, 67.63% done
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
zpool status -x
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
zpool status -x
pool: zroot
state: ONLINE
status: One or more devices has experienced an unrecoverable error. An
attempt was made to correct the error. Applications are unaffected.
action: Determine if the device needs to be replaced, and clear the errors
using 'zpool clear' or replace the device with 'zpool replace'.
see: http://illumos.org/msg/ZFS-8000-9P
scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 7
gpt/disk01 ONLINE 0 0 0
errors: No known data errors
root@vw2:/usr/home/olexande # zpool clear zroot
root@vw2:/usr/home/olexande # zpool status -x
all pools are healthy
root@vw2:/usr/home/olexande # zpool clear
missing pool name
usage:
clear [-nF] [device]
root@vw2:/usr/home/olexande # zpool status -x
all pools are healthy
root@vw2:/usr/home/olexande # zpool status
pool: zroot
state: ONLINE
scan: scrub repaired 0 in 0h15m with 0 errors on Sun May 12 00:50:21 2013
config:
NAME STATE READ WRITE CKSUM
zroot ONLINE 0 0 0
mirror-0 ONLINE 0 0 0
gpt/disk11 ONLINE 0 0 0
gpt/disk01 ONLINE 0 0 0
errors: No known data errors