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Re: Repairing large partition

To: maillists0@xxxxxxxxx
Subject: Re: Repairing large partition
From: Eric Sandeen <sandeen@xxxxxxxxxxx>
Date: Thu, 04 Jun 2009 16:18:26 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <dc64e7230906041213s2bb9d67fj2df0b3db4ca37704@xxxxxxxxxxxxxx>
References: <dc64e7230906041213s2bb9d67fj2df0b3db4ca37704@xxxxxxxxxxxxxx>
User-agent: Thunderbird 2.0.0.21 (Macintosh/20090302)
maillists0@xxxxxxxxx wrote:
> Pardon if this is the wrong list for this question.
> 
> I had a 50T xfs partition, spread across 3 storage devices which were
> lvm'd. After a power failure, 2 disks on one device failed. It was
> raid5, so that data is unrecoverable.
> 
> I replaced the failed disks and rebuilt that array. I can mount the
> partition and see data on the first 2 devices. 'I ran xfs_repair -n' to
> see what might be done a couple of days ago and it still hasn't
> finished.  Does anyone know how I could recreate the partition to
> include the third device without losing data from the first two devices?
> Any help will be greatly appreciated, including a pointer to the
> appropriate docs. Thanks.

so was it a concat of 3 raid5s?

-Eric

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