Time for action – configuring fast-start failover

The following steps will help you configure FSFO in a configuration managed by the Data Guard broker:

1. Check if Data Guard is in the Maximum Performance(11gRx) or Maximum Availability mode using the following command:

   DGMGRL> show configuration
   Configuration - PACKT
     Protection Mode: MaxPerformance
     Databases:
       TURKEY_UN - Primary database
       INDIA_UN  - Physical standby database
   Fast-Start Failover: DISABLED
   Configuration Status:
   SUCCESS
   

2. If your configuration is in the Maximum Availability mode, make sure that LogXptMode is set to synchronous redo transport.

3. Make sure you have configured a flashback database and fast recovery area. This is applicable on both the primary and standby databases and helpful in case you want to reinstate the old primary database or perform a flashback as shown in the following query:

   SQL> select flashback_on from v$database;
   FLASHBACK_ON
   ------------------
   NO

4. We must set some parameters before turning...