On Sun, 2006-01-15 at 20:59 +0100, Troels Arvin wrote: > Hello, > > I'm setting up two RHEL 4 servers (HP DL380G4) in a fail-over solution, > using Red Hat Cluster Suite. The two servers are both connected to a HP > MSA 500G2 RAID storage system (which has two SCSI connectors). > > I don't have plans about using GFS at the moment: Only one server will be > mounting the shared storage system at a time. I plan on using iLO fencing. > > The Red Hat Cluster Suite documentation mentions that either DLM or GULM > should be used for lock management. However, the documentation doesn't > cover on what basis the choice should be made. > > When would DLM be the best choice, and when would GULM be the lock manager > to go for? DLM is the best choice. GuLM requires at least 3 nodes in order to maintain proper quorum in the cluster. DLM has a special 2 node configuration setup that removes this requirement. Kevin -- Linux-cluster@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/linux-cluster
