Date: Tue, 29 Mar 2011 11:34:50 -0700 From: Mark Morley <mark@islandnet.com> To: Scot Hetzel <swhetzel@gmail.com> Cc: FreeBSD Stable <freebsd-stable@freebsd.org> Subject: Re: ZFS pool on FreeBSD 8.2-STABLE broken? Message-ID: <14240cm1t.1301423690@helpdesk.islandnet.com>
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On Mon, 28 Mar 2011 13:38:54 -0500 Scot Hetzel wrote: On Mon, Mar 28, 2011 at 1:17 PM, Mark Morley wrote:
> Hi there,
>
> I have a small backup server (8.2-STABLE). �It boots from ufs and has azfs pool for backups that consists of 8 drives configured as 4 mirrored devices, totally around 2.5 TB.
>
> Been working great, no issues, until the past few days when remote rsyncsto it have started to get very slow (it's only at around %50 capacity). �Rebooting it helps for a while, then it gets slow again. �But this isn't the problem now...
>
> After the last reboot, it froze while booting right at the point where the file system gets mounted. �No errors, it just doesn't proceed past the ZFS version message.
>
> I rebooted single user and tried to access it with "zpool status", and the command hangs in the same way. �Any attempt to access it ("zfs list", for example) does the same thing.
>
> The disks themselves seem fine. �They are all connected to a pair of Adaptec RAID controllers (configured as individual drives, with mirroring handled by zfs) and the controller software shows them all to be intact.
>
> I disabled zfs in rc.conf and was able to boot, but I can't access the pool.
>
> Any ideas on how to diagnose and hopefully repair this?
>
Your going to need to download a recent -CURRENT ISO that contans zfs
v28, then you can try to recover the pool as outlined in this post
http://opensolaris.org/jive/message.jspa?messageID=445269
Well, what I did was rebuild world and kernel top 9.0-CURRENT and reboot. It was able to see and access the zfs file system immediately without having to import it. I did a zpool upgrade to v28 and all seems well so far.
Mark
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