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Oracle Data Guard 11gR2 Administration Beginner's Guide by Nassyam Basha, Emre Baransel

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Time for action – switchover with a logical standby using broker

Perform the following steps to change the roles of the primary and logical standby databases:

  1. Check the configuration of Data Guard. In the broker's configuration, we have one primary database and one logical standby database already configured. Ensure that the status is SUCCESS before performing a switchover as shown in the following code:
    DGMGRL> show configuration;
    Configuration - PACKT
      Protection Mode: MaxPerformance
      Databases:
        INDIA_UN     - Primary database
        turkey_un    - Logical standby database
    Fast-Start Failover: DISABLED
    Configuration Status:
    SUCCESS
  2. Perform a switchover using the DGMGRL command. Before performing switchover, connect to the DGMGRL utility using the complete username ...

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