Time for action – preliminary tests before performing switchover

In order to perform switchover, we have to prepare and verify both the primary and standby databases. Perform the following steps:

  1. Check the standby redo logfile status on the primary database as follows:
    SQL> select group#,member,type from v$logfile where type='STANDBY';
    
        GROUP# MEMBER                                            TYPE
    ---------- ---------------------------------------------- -------
            ..   ........
         14 /u01/app/oracle/oradata/orcl/standby_redo05.log    STANDBY
         16 /u01/app/oracle/oradata/orcl/standby_redo06.log    STANDBY
    6 rows selected.

    Standby redo logfiles should have been created on the primary database; this is so that after performing switchover, the new standby database can receive redo using standby redo logfiles. ...

Get Oracle Data Guard 11gR2 Administration Beginner's Guide now with O’Reilly online learning.

O’Reilly members experience live online training, plus books, videos, and digital content from 200+ publishers.