Replica Instance Promotion for Disaster Recovery

You can restore a malfunctioning primary instance by promoting a replica instance to become the primary instance.

Promoting a replica instance restores the primary instance more quickly than replacing the primaryinstance with a new appliance, but the replica instance available for promotion needs to be physically accessible to an Operations Console administrator to facilitate ongoing administration.

Promoting a replica instance to be the primary instance changes the topology of a deployment in the following ways:

• The malfunctioning primary instance is deleted from the deployment.

• The promoted replica instance becomes the new primary instance.

• If web tiers are associated with the old primary instance, you must restart the web tiers that are associated with the old primary instance.

• If web tiers are associated with any replica instance in the deployment, you must restart the web tiers that are associated with any replica instance.