zpool import hangs when out of space - Was: zfs pool import hangs on [tx->tx_sync_done_cv]
Mark Martinec
Mark.Martinec+freebsd at ijs.si
Tue Oct 14 11:30:33 UTC 2014
On 10/14/2014 13:19, Steven Hartland wrote:
> Well interesting issue I left this pool alone this morning literally doing
> nothing, and its now out of space.
> zpool list
> NAME SIZE ALLOC FREE FRAG EXPANDSZ CAP DEDUP HEALTH
> ALTROOT
> sys1boot 3.97G 3.97G 190K 0% - 99% 1.00x ONLINE -
> sys1copy 3.97G 3.97G 8K 0% - 99% 1.00x ONLINE -
>
> There's something very wrong here as nothing has been accessing the pool.
>
> pool: zfs
> state: ONLINE
> status: One or more devices are faulted in response to IO failures.
> action: Make sure the affected devices are connected, then run 'zpool
> clear'.
> see: http://illumos.org/msg/ZFS-8000-HC
> scan: none requested
> config:
>
> NAME STATE READ WRITE CKSUM
> zfs ONLINE 0 2 0
> md1 ONLINE 0 0 0
>
> I tried destroying the pool and ever that failed, presumably because
> the pool has suspended IO.
That's exactly how trouble started here. Got the
"One or more devices are faulted in response to IO failures"
on all three small cloned boot pools one day, out of the blue.
There was no activity there, except for periodic snapshoting
every 10 minutes.
Mark
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