On Tuesday 23 November 2010 07:13:56 Jankowski, Chris wrote: > 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. Where will your filesystem resource be located ? In a cluster, it's usually on a shared storage, using *cluster* LVM. Are snapshots available now with CLVM ? It was not the case last time I read documentation, which is/was (?) a serious drawback. > 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 > -- Xavier Montagutelli Tel : +33 (0)5 55 45 77 20 Service Commun Informatique Fax : +33 (0)5 55 45 75 95 Universite de Limoges 123, avenue Albert Thomas 87060 Limoges cedex -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster