zpool scrub hangs on 7.2-stable

[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.

-- 

  Jason J. Hellenthal
  http://www.DataIX.net/
  jasonh at DataIX.net
  0x691411AC

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