Replacing a dead disk in a zpool
I'm running Ubuntu Server 13.04 64-bit using native ZFS. I have a zpool consisting of 4 hard drives of which one died yesterday and now is not being recognized by the OS or the BIOS anymore.
Unfortunately I saw the problem only after the next reboot so now the drive label is missing and I can't replace the disk using the official instructions here and here.
zpool status hermes -x
prints
root@zeus:~# zpool status hermes -x
pool: hermes
state: DEGRADED
status: One or more devices could not be used because the label is missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://zfsonlinux.org/msg/ZFS-8000-4J
scan: scrub repaired 0 in 2h4m with 0 errors on Sun Jun 9 00:28:24 2013
config:
NAME STATE READ WRITE CKSUM
hermes DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
ata-ST3300620A_5QF0MJFP ONLINE 0 0 0
ata-ST3300831A_5NF0552X UNAVAIL 0 0 0
ata-ST3200822A_5LJ1CHMS ONLINE 0 0 0
ata-ST3200822A_3LJ0189C ONLINE 0 0 0
errors: No known data errors
I already replaced the drive with a new one (which got the label /dev/disk/by-id/ata-ST3500320AS_9QM03ATQ)
Any one of the commands
zpool replace hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X /dev/disk/by-id/ata-ST3500320AS_9QM03ATQ
zpool offline hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
zpool detatch hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
fails with
root@zeus:~# zpool offline hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
cannot offline /dev/disk/by-id/ata-ST3300831A_5NF0552X: no such device in pool
because the label of the drive that died does not exist in the system anymore. How can I replace the "ghost" disk? I also tried the commands above omitting path to the drive's label to no avail.
I'm running Ubuntu Server 13.04 64-bit using native ZFS. I have a zpool consisting of 4 hard drives of which one died yesterday and now is not being recognized by the OS or the BIOS anymore.
Unfortunately I saw the problem only after the next reboot so now the drive label is missing and I can't replace the disk using the official instructions here and here.
zpool status hermes -x
prints
root@zeus:~# zpool status hermes -x
pool: hermes
state: DEGRADED
status: One or more devices could not be used because the label is missing or
invalid. Sufficient replicas exist for the pool to continue
functioning in a degraded state.
action: Replace the device using 'zpool replace'.
see: http://zfsonlinux.org/msg/ZFS-8000-4J
scan: scrub repaired 0 in 2h4m with 0 errors on Sun Jun 9 00:28:24 2013
config:
NAME STATE READ WRITE CKSUM
hermes DEGRADED 0 0 0
raidz1-0 DEGRADED 0 0 0
ata-ST3300620A_5QF0MJFP ONLINE 0 0 0
ata-ST3300831A_5NF0552X UNAVAIL 0 0 0
ata-ST3200822A_5LJ1CHMS ONLINE 0 0 0
ata-ST3200822A_3LJ0189C ONLINE 0 0 0
errors: No known data errors
I already replaced the drive with a new one (which got the label /dev/disk/by-id/ata-ST3500320AS_9QM03ATQ)
Any one of the commands
zpool replace hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X /dev/disk/by-id/ata-ST3500320AS_9QM03ATQ
zpool offline hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
zpool detatch hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
fails with
root@zeus:~# zpool offline hermes /dev/disk/by-id/ata-ST3300831A_5NF0552X
cannot offline /dev/disk/by-id/ata-ST3300831A_5NF0552X: no such device in pool
because the label of the drive that died does not exist in the system anymore. How can I replace the "ghost" disk? I also tried the commands above omitting path to the drive's label to no avail.
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