SPARC: Pair+N Topology

The pair+N topology includes a pair of Solaris hosts that are directly connected to the following:

• Shared storage.

• An additional set of hosts that use the cluster interconnect to access shared storage (they have no direct connection themselves).

The following figure illustrates a pair+N topology where two of the four hosts (Host 3 and Host 4) use the cluster interconnect to access the storage. This configuration can be expanded to include additional hosts that do not have direct access to the shared storage.

Figure 2–3 Pair+N Topology