Recovering from a multi-controller or storage failure

If the controller failure extends to all controller modules on one side of a DR group in a four or eight-node MetroCluster configuration, or storage has been replaced, you must replace the equipment and reassign ownership of drives to recover from the disaster.

Before you begin

About this task

The examples in this procedure show two or four-node configurations. If you have an eight-node configuration (two DR groups), you must take into account any failures and perform the required recovery task on the additional controller modules.

This procedure uses the following workflow: