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[Linux-cluster] RHEL 6 cluster filesystem resource and LVM snapshots



Hi,
 
I am preparing a build of a RHEL 6 cluster with a filesystem resource(s) (ext4 or XFS).  The customer would like to use LVM snapshots of the filesystems for tape backup.  The tape backup may take a few hours after which the snapshot will be deleted.
 
Questions:
 
1.
Is the filesystem resource compatible with using LVM snapshots?
 
2.
How can I reconcile the temporary existence of a snapshot with the notion of the filesystem resource, which is all about having things permanently mounted ?
 
3.
Would either ext4 or XFS be preferable for any reasons for use with snapshots for backup?
 
I’d appreciate your comments.
 
Thanks and regards,
 
Chris Jankowski
 

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