Device Groups

A device group is a hardware resource that Sun Cluster manages. A 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 device groups to include replication. For information about configuring device groups in Sun Cluster, see the guide for the data replication product you are using:

• Chapter 1, Replicating Data With Sun StorEdge Availability Suite 3.2.1 Software, in Sun Cluster Geographic Edition Data Replication Guide for Sun StorEdge Availability Suite

• Chapter 1, Replicating Data With Hitachi TrueCopy Software, in Sun Cluster Geographic Edition Data Replication Guide for Hitachi TrueCopy

• Chapter 1, Replicating Data With EMC Symmetrix Remote Data Facility Software, in Sun Cluster Geographic Edition Data Replication Guide for EMC Symmetrix Remote Data Facility