urgent system suddenly boot failed due to ZFS:i/o error on FreeBSD 8.2

[suken woo]

thanks for you reply Simon. checked zpool is fine and can export and import.

2012/5/2 Simon <simon at optinet.com>

>
> I'd boot using liveCD to see what's going on with the zpool, drive
> detection, and
> what the other person suggested as far as possible hot-spare issue.
>
> -Simon
>
>
> On Wed, 2 May 2012 20:03:19 +0800, suken woo wrote:
>
> >hi,lists
> > for some reasons I need restart system but it suddenly boot failed today.
> >here is the error:
> >ZFS: i/o error - all block copies unavailable
> >ZFS: can't read object set for dataset 16
> >Can't find root filesystem - giving up
> >ZFS:unexcepted object set type 0
> >ZFS:unexcepted object set type 0
> >
> >FreeBSD/i386 boot
> >Default: zroot:/boot/kernel/kernel
> >boot:
> >ZFS:unexcepted object set type0
> >
> >FreeBSD/i386 boot
> >Default: zroot:/boot/kernel/kernel
> >boot: _
> >
> >any ideas to resolved it?
> >thanks in advance
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>
>


-- 
--wsk