Disk Device Groups

A disk device group is a hardware resource that Sun Cluster manages. A disk device group is a type of global device that the Sun Cluster software uses to register volume manager disk groups. The Sun Cluster Geographic Edition software configures Sun Cluster disk device groups to include replication. For information about configuring disk device groups in Sun Cluster, refer to Chapter 7, Replicating Data With Hitachi TrueCopy Software, in Sun Cluster Geographic Edition System Administration Guide.