The next step in the failover process is to transition the target database to a source database, as shown in the following figure.

Figure 1. Transitioning the target to a source database


To transition the database successfully:

  1. Properly configure the transition properties. See Set transition properties for details.
  2. Use the following command to perform transition: 
    dsrutil target-db-name -C transition

You can also configure transition to occur automatically, so that neither you nor another DBA needs to explicitly execute the command to initiate it.

If you do configure automatic transition, however, be aware that source after-image extents cannot be applied before the target database is transitioned. You will need to redo all work that was not applied.