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Re: xfs_repair takes long time

To: Kiran.Chandapu@xxxxxxx
Subject: Re: xfs_repair takes long time
From: Christoph Hellwig <hch@xxxxxxxxxxxxx>
Date: Thu, 2 Feb 2012 04:17:15 -0500
Cc: xfs@xxxxxxxxxxx
In-reply-to: <D6BB8A3C30275C45A0A5CA53D5CC37F80242C12A02@xxxxxxxxxxxxxxxxxx>
References: <D6BB8A3C30275C45A0A5CA53D5CC37F80242C12A02@xxxxxxxxxxxxxxxxxx>
User-agent: Mutt/1.5.21 (2010-09-15)
On Thu, Feb 02, 2012 at 03:19:01AM -0500, Kiran.Chandapu@xxxxxxx wrote:
> So I have realized that the file system might have corrupted and started 
> running xfs_repair but it takes such a long time, not sure it is because of 
> the amount of data we have on the volume around 12TB.
> First time it took 3 days, incomplete and unfortunately the session got 
> terminated. Now again I have to run the repair.
> 
> Could anyone please let me know, is there any way I can speed up the process 
> or any rough idea who much time the file system repair going to take.

Grab the latests version from
git://git.kernel.org/pub/scm/fs/xfs/xfsprogs-dev.git, and run it in
verbose mode (xfs_repair -v).

I suspect you actually have a a volume that doesn't resemble a
filesystem anymore and it's looking for a superblock but can't find it.

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