In this Oracle VM Server for SPARC Software guest domain topology, multiple I/O domains ensure that guest domains, which are configured as cluster nodes, continue to operate if an I/O domain fails. Each guest domain node acts the same as a cluster node in a cluster.
To learn more about guidelines for using and installing guest domains or I/O domains in a cluster, see How to Install Oracle VM Server for SPARC Software and Create Domains in Oracle Solaris Cluster Software Installation Guide .
The following figure illustrates a configuration in which redundant I/O domains ensure that nodes within the cluster continue to operate if an I/O domain fails.
Figure 2-11 SPARC: Redundant I/O Domains