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

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Time for action – making a physical standby database environment ready for conversion

You can perform the following steps to make a physical standby database environment ready for conversion:

  1. Stop the media recovery on the physical standby with the following statement:
    SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;
    
    Database altered.
  2. In order to prepare the primary database for possible switchovers with the logical standby in future, we will make some changes on the archival initialization parameters. This step is optional and if you don't plan any switchovers between the primary and logical standby in the future, you can skip this step. Run the following statements on the primary database to change the parameters:
    SQL> ALTER SYSTEM SET ...

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