Hello On Tue, Jan 8, 2013 at 12:55 AM, Bill G. <tc3driver@xxxxxxxxx> wrote: > Hi list, > > We are having a discussion about clustering on RHEL 5.2 and 5.4. > > Knowing that there are no supported fence devices for VMWare 4.1 and the > given versions of RHEL. > > As far as I can tell there must be a fence device for any type of automatic > fail over, but coworkers are insisting that if a clustered process dies it > can and will automatically start/fail over... it just won't if there is a > hardware failure. They are also saying that you will be able to move > processes from one node to another without fencing. > > I am insisting that clustering does not work without an fence device. > > Please settle this :) > Yes, fencing mandatory with cluster, Without fencing your cluster will fail to work. Refer https://alteeve.ca/w/2-Node_Red_Hat_KVM_Cluster_Tutorial#Concept.3B_Fencing If you have Red Hat Support, Check below Kbase. https://access.redhat.com/knowledge/solutions/15575 Even manual fencing is not supported i.e. fence_manual. Hope that helps. Regards Arpit Tolani -- Linux-cluster mailing list Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster