Hi all,
We had one of our SAS expander cards in a storage system running OpenIndiana go
bad last night. We replaced it, but in the process, we had to move the RAID
controller to a new slot on the motherboard. This caused all devices to have a
new designation; i.e. c2t10d0 became c5t10d0.
Our pools are online with no data loss, thankfully, but one is degraded because
it is hanging on to a couple of devices with the old controller designation.
When I try to replace the "old" device with the "new" one, I get an error that
the "new" device belongs to the pool already. I think zfs is reading metadata
from the device but doesn't realize that the two pools are one and the same.
root@hermes:~# zpool status zfs1
pool: zfs1
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: scrub repaired 0 in 89h58m with 0 errors on Fri Jan 2 17:58:21 2015
config:
NAME STATE READ WRITE CKSUM
zfs1 DEGRADED 0 0 0
mirror-0 DEGRADED 0 0 0
c5t11d0 ONLINE 0 0 0
c2t10d0 UNAVAIL 0 0 0 cannot open
mirror-1 DEGRADED 0 0 0
c5t13d0 ONLINE 0 0 0
c2t5d0 UNAVAIL 0 0 0 cannot open
mirror-2 DEGRADED 0 0 0
c2t3d0 UNAVAIL 0 0 0 cannot open
c5t16d0 ONLINE 0 0 0
mirror-3 ONLINE 0 0 0
c5t17d0 ONLINE 0 0 0
c5t18d0 ONLINE 0 0 0
logs
mirror-4 ONLINE 0 0 0
c5t20d0s1 ONLINE 0 0 0
c5t21d0s1 ONLINE 0 0 0
spares
c2t14d0 UNAVAIL cannot open
c2t12d0 UNAVAIL cannot open
errors: No known data errors
root@hermes:~# zpool replace zfs1 c2t10d0 c5t10d0
invalid vdev specification
use '-f' to override the following errors:
/dev/dsk/c5t10d0s0 is part of active ZFS pool zfs1. Please see zpool(1M).
When I try with '-f' I get the same thing.
I've tried offlining c2t10d0 and then onlining c5t10d0 but I get a message that
there is no such device in the pool. Any way to do this or do I just have to
format the devices and then add them to the degraded pool and wait for a full
resilver?
M
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