Application setup

Applications to be configured as global groups must be configured to represent each other in their respective clusters. The multiple application groups of a global group must have the same name in each cluster. The individual resources of the groups can be different. For example, one group might have a MultiNIC resource or more Mount-type resources. Client systems redirected to the remote cluster in case of a wide-area failover must be presented with the same application they saw in the primary cluster.

However, the resources that make up a global group must represent the same application from the point of the client as its peer global group in the other cluster. Clients redirected to a remote cluster should not be aware that a cross-cluster failover occurred, except for some downtime while the administrator initiates or confirms the failover.