High Availability Data Guard, Sharding and Global Data Services (MOSC)

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Switching from Max Performance to Real Time Apply

in High Availability Data Guard, Sharding and Global Data Services (MOSC) 2 commentsAnswered

Primary / PROD Oracle Enterprise DB 19.9 on a 2 node (RAC) Oracle database appliance running Oracle Linux 7.

Standby database is on a single node ODA - also running OEL 7.

Currently DG is up and running, but when issued the following 2 commands on the standby db, the alert log registered a couple of errors:

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE CANCEL;

SQL> ALTER DATABASE RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT;

Alert log message:

WARNING: There are no standby redo logs.

Standby redo logs should be configured for real time apply. Real time apply will be ignored.

The alert log message is false.

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