On Tue, Dec 27, 2005 at 07:45:22PM +1300, Tristram Cheer wrote: > Good Afternoon All, > > I'm looking for a way for us to mirror GFS volumes from a 500gb Raid5 > Array (Non-San) to another volume in a server 100km away, we have a > 100mbit link to this server and the purpose of it is to offsite backup > the GFS volume incase of Critical Failure. Is anyone aware of a > production ready method to doing this? It's the sort of thing that you should be able to do quite easily with DRBD - but unfortunately that (AFAIK) can't be laid over the top of an existing filesystem - so you'd probably have to do something nasty to get it working with the existing data. I think the DRBD device is slightly smaller than the underlying data device (DRBD metadata), and I'm not sure whether it takes that space from the beginning or the end - and either could possibly destroy files/metadata anyway. All of the standard options should work with GFS that work with anything else - as long as you're willing to stay 5-10 minutes behind, something like rsync should be able to do it fine. Graham -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
