Campus clusters are multiple-node clusters that provide protection against disasters. These clusters are in separate buildings (or sites) with mirrored SAN-attached storage located in each building. Typical campus clusters involve two sites; you can use more than two sites for additional redundancy.

In a typical configuration, each node has its own storage array and contains mirrored data of the storage on the other array.

This environment also provides a simpler solution for disaster recovery than a more elaborate Veritas InfoScale disaster recovery environment with replication software; however, a campus cluster generally stretches a shorter distance than a replication-based solution depending on the hardware.