ZFS can't mount filesystem

[Artem Belevich]

On Fri, May 6, 2011 at 10:20 PM, Igor Zabelin <igorz at yandex.ru> wrote:
> Hi,
>
> I have trouble with ZFS. One of set filesystems can't mount.
> zpool scrub is not doing anything
> ZFS reports an error when geting the properties.
> SMART extended offline test for each disk completed without error.
> It's possible to recover data? Mount ignoring errors?
>
> FreeBSD 8.2-RELEASE
>
> ZFS reports an error when geting the properties.
>
> # zfs get all tank/var
>
> [skip normal output]
> internal error: unable to get version property
> internal error: unable to get utf8only property
> internal error: unable to get normalization property
> internal error: unable to get casesensitivity property
> [skip normal output]
>
> # zpool status -v tank
>  pool: tank
>  state: ONLINE
> status: One or more devices has experienced an error resulting in data
>        corruption.  Applications may be affected.
> action: Restore the file in question if possible.  Otherwise restore the
>        entire pool from backup.
>   see: http://www.sun.com/msg/ZFS-8000-8A
>  scrub: scrub stopped after 0h0m with 0 errors on Sat May  7 08:09:35 2011
> config:
>
>        NAME           STATE     READ WRITE CKSUM
>        tank           ONLINE       0     0    36
>          raidz1       ONLINE       0     0   144
>            gpt/disk5  ONLINE       0     0     0
>            gpt/disk6  ONLINE       0     0     0
>            gpt/disk7  ONLINE       0     0     0
>
> errors: Permanent errors have been detected in the following files:
>
>        tank/var:<0x0>

It may be good idea to test  RAM on your system first. ZFS with its
data consistency checks is often the first thing tripped by bad RAM.

--Artem


>
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