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

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Time for action – enabling Active Data Guard using broker

If Data Guard is managed using a broker, it is always simple and even easier to manage it from Oracle 11gR2. When both broker and MRP are running on the standby, you can open the database at any time for reporting purposes.

  1. Check the configuration and state of the database as follows:
    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
    DGMGRL>
    
    SQL> select db_unique_name,open_mode from v$database;
    DB_UNIQUE_NAME  OPEN_MODE
    --------------- --------------------
    INDIA_UN        MOUNTED
    SQL>
    SQL> !ps -ef|grep mrp
    oracle 4686 1 0 16:31 ...

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