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From: Christoph Hellwig <hch@infradead.org>
To: Michael Monnerie <michael.monnerie@is.it-management.at>
Cc: xfs@oss.sgi.com
Subject: Re: LVM snapshot not mountable
Date: Tue, 25 May 2010 11:49:27 -0400	[thread overview]
Message-ID: <20100525154927.GA25353@infradead.org> (raw)
In-Reply-To: <201005251725.48452@zmi.at>

On Tue, May 25, 2010 at 05:25:44PM +0200, Michael Monnerie wrote:
> This might be LVM specific, please apologize. For the first time I play 
> around with LVM snapshots. I tried this:
> lvcreate -s -n dbsnap -L 4G -v /dev/db/mysql
> mount /dev/db/dbnap /mnt
> but the mount fails, dmesg says:
> [  598.440324] XFS: Filesystem dm-1 has duplicate UUID - can't mount
> 
> How could I mount it?

mount -o ro,norecovery,nouuid /dev/db/dbnap /mnt

or use

 xfs_admin -U generate /dev/db/dbnap

to give it a different uuid first in case you're dealing with a
writeable snapshot.

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  reply	other threads:[~2010-05-25 15:47 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2010-05-25 15:25 LVM snapshot not mountable Michael Monnerie
2010-05-25 15:49 ` Christoph Hellwig [this message]
2010-05-25 19:06   ` Michael Monnerie
2010-05-25 16:19 ` Emmanuel Florac

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