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Date: Sat, 29 Jan 2011 21:13:57 -0600
From: "James R. Van Artsdalen" <james-freebsd-fs2@jrv.org>
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To: Mike Tancsa <mike@sentex.net>
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Cc: freebsd-fs@freebsd.org
Subject: Re: ZFS help!
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On 1/28/2011 4:46 PM, Mike Tancsa wrote:
>
> I had just added another set of disks to my zfs array. It looks like the
> drive cage with the new drives is faulty.  I had added a couple of files
> to the main pool, but not much.  Is there any way to restore the pool
> below ? I have a lot of files on ad0,1,4,6 and ada4,5,6,7 and perhaps
> one file on the new drives in the bad cage.

Get another enclosure and verify it works OK.  Then move the disks from
the suspect enclosure to the tested enclosure and try to import the pool.

The problem may be cabling or the controller instead - you didn't
specify how the disks were attached or which version of FreeBSD you're
using.