LVM snapshot not mountable
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?
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Quoted 8 lines · Michael Monnerie
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 mountHow 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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Quoted 3 lines · On Dienstag, 25. Mai 2010 Christoph Hellwig wrote:
mount -o ro,norecovery,nouuid
/dev/db/dbnap/mnt
or use
xfs_admin-U generate/dev/db/dbnap
Gracias, merci, grazie, danke, thanks.
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mit freundlichen Grüssen, Michael Monnerie, Ing. BSc it-management Internet Services http://proteger.at [gesprochen: Prot-e-schee] Tel: 0660 / 415 65 31 // Wir haben im Moment zwei Häuser zu verkaufen: // http://zmi.at/langegg/ // http://zmi.at/haus2009/
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Le Tue, 25 May 2010 17:25:44 +0200
Michael Monnerie <[email protected]> écrivait:
Quoted 4 lines
but the mount fails, dmesg says:
[ 598.440324] XFS: Filesystem dm-1 has duplicate UUID - can't mountHow could I mount it?
Simply read the message : you cannot mount 2 xfs filesystems with the same UUID at the same time. Obviously the snapshot carries the same UUID as the original. Use the "nouuid" option to mount it.
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