WORKAROUND Re: zpool scrub hangs on 7.2-stable
Christof Schulze
christof.schulze at gmx.com
Mon Sep 21 20:24:44 UTC 2009
having removed the cache did not do anything at first but after letting zpool
scrub sit there for ~20 minutes (no CPU or HDD activity whatsoever) it
suddenly started the scrubbing process.
So I seem to have hit a bug.
Regards
Christof
Am Montag 21 September 2009 17:32:05 schrieb Jason J. Hellenthal:
> On Sun, 20 Sep 2009 17:42 -0000, christof.schulze wrote:
> > Hello,
> >
> > currently I am running a 7.2 stable with zfs v13.
> > Things work nicely except that zpool scrub hangs without disk activity.
> > I do not get any error messages in dmesg or /var/log/messages and
> > therefore I do not know where to look further.
> >
> > Is this a known issue or should I investigate? If the latter is the case
> > I would need some help doing so.
> >
> > % uname -a ~
> > FreeBSD ccschu935 7.2-STABLE FreeBSD 7.2-STABLE #0: Tue Jul 7 04:56:00
> > CEST 2009 root at ccschu935:/usr/obj/usr/src/sys/GENERIC amd64
> > % zpool status ~
> > pool: tank
> > state: ONLINE
> > scrub: scrub in progress for 0h3m, 0,00% done, 3370h48m to go
> > config:
> >
> > NAME STATE READ WRITE CKSUM
> > tank ONLINE 0 0 0
> > ad0s6 ONLINE 0 0 0
> > ad0s3f ONLINE 0 0 0
> > ad0s3e ONLINE 0 0 0
> > cache
> > mmcsd0 UNAVAIL 0 0 0 cannot open
> >
> > errors: No known data errors
> >
> >
> > kind Regards
> >
> > Christof
>
> I see you cache is disabled no available. Even though I don't think this
> should or might be the problem can you remove the device from the pool and
> re-scrub to see if that relieves the problem.
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