When the Model Repository Service becomes unavailable, the Service Manager can restart the service on the same node or a backup node. You can configure the Model Repository Service to run on one or more backup nodes.
When the Data Integration Service becomes unavailable, the Service Manager can restart the service on the same node or a backup node. You can configure the Data Integration Service to run on one or more backup nodes.
When the Data Integration Service fails over or restarts unexpectedly, you can enable automatic recovery of aborted workflows.
You can enable the PowerCenter Integration Service to store high availability persistence information in database tables. The PowerCenter Integration Service stores the information in the associated repository database.