zpool scrub hangs on 7.2-stable

[Artem Belevich]

Do you have ZIL disabled? I think I saw the same scrub stall on -7
when I had vfs.zfs.zil_disable=1. After re-enabling ZIL scrub
proceeded normally.

--Artem



On Sun, Sep 20, 2009 at 2:42 PM, Christof Schulze
<christof.schulze at gmx.com> 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
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