On Thu, 2008-10-16 at 21:29 +0100, Gordan Bobic wrote: > Brandon Young wrote: > > > As for LVM snapshotting ... I am under the impression that those > > features are unavailable in GFS (and are slated for GFS2? Which is not > > "production ready", yet?) It has certainly occured to me to try that > > feature, if only it were available. Am I misinformed? Perhaps I need > > some more education on how exactly LVM mirroring will help me. I am > > *attempting* to approximate a traditional backup scheme, atleast on this > > particular filesystem. Am I correct in believing that I could snapshot > > a volume (assuming the feature is available) and run a traditional > > backup (using, say, rdiff-backup) in a shorter time than I can now, > > where I'm running it straight off a live GFS volume? > > You can use CLVM (Cluser aware LVM) and create GFS on top of that > volume. You can them use CLVM to take a snapshot of the block device, > mount it read-only with lock_nolock and back that up. That should go at > non-clustered FS speeds. > We don't have support for cluster snapshots as of yet even though it has been on the todo list for about 5 years now :(. Kevin -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
