• All Ingres areas must be on commonly accessible cluster-mounted devices.

• Each node of a cluster installation must have its own transaction log file and backup transaction log file.

• All Ingres areas must be the same throughout the cluster, except for the areas for the transaction log file and backup transaction log file.

• Each node of a cluster installation can have its transaction log file and backup transaction log file in a separate location. However, the physical location of each node’s transaction log files must be accessible to all nodes on the cluster that runs Ingres.