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Figure: Three-node VCS cluster with two Enterprise Vault servers illustrates a configuration in which the two Enterprise Vault servers are configured to run on any of three nodes in a VCS cluster. This has the advantage that if NODEB fails, the server moves to NODEC. NODEB can then be brought back online and act as a failover server for EVSERVER1 and EVSERVER2.
To configure two Enterprise Vault servers to run on any of the three nodes in a VCS cluster
Mount the volumes on the system where you will configure the Enterprise Vault service group.
With the Enterprise Vault Cluster Setup wizard, create a service group for EVSERVER1 that contains nodes NODEA, NODEB, and NODEC.
With the Enterprise Vault Cluster Setup wizard, create a service group for EVSERVER2 that contains nodes NODEA, NODEB, and NODEC.
Take the actions described below on NODEA and NODEB, depending on whether you are performing a first-time installation of Enterprise Vault or upgrading an existing installation.
On NODEC, run the Enterprise Vault Configuration wizard and choose to add this node as a failover node for an existing clustered server. Select either service group.
Notice that the only difference in configuration between this option and option 1 is that, when you create the service groups, you must select all the nodes rather than a subset of the nodes.
You can take a similar approach if you require your system to have more than one spare server (N+2, N+3, N+4, and so on). In each case, you must configure a node for each Enterprise Vault server and then add the spare nodes as failover nodes.
