On Tue, 2008-07-01 at 12:58 +0200, Gerhard Spiegl wrote: > Hi all, > > I'm working on a two node cluster (RHEL 5.2 + RHCS) with one > XEN virtual machine per node: > > node1 => VM1 > node2 => VM2 > > When node1 takes over VM2 via the command: > > clusvcadm -M vm:VM2 -m node1 > > node2 gets fenced after takeover is done, which is probably expected behaviour. No, it's not. > As node2 comes up again it fetches his VM2 back (nofailback="0", but also > fences node1 (ipmilan) where VM1 is still running an therefore interrupted and > restartet on node2. Neither is this. Fetching the VM back certainly should require fencing... > When node1 comes up the same game in the other direction begins. > Is there a way to avoid this fence loop? > In other words: can a service be migrated from node1 to node2 without other > services that run on node1 being interrupted? We'll need more details in order to figure out what's going on; such as cluster.conf and your network topology (switch make/model, what speed are your network links, etc) -- Lon -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
