The following error received in physical standby database during switch from physical standby database to primary database.

ORA-16139: media recovery required

Solution:

SQL> alter database commit to switchover to primary with session shutdown;
alter database commit to switchover to primary with session shutdown
*
ERROR at line 1:
ORA-16139: media recovery required

 

SQL> SELECT SWITCHOVER_STATUS FROM V$DATABASE;

SWITCHOVER_STATUS
------------------------------------------------------------
NOT ALLOWED

Or

SQL> SELECT SWITCHOVER_STATUS FROM V$DATABASE;

SWITCHOVER_STATUS
------------------------------------------------------------
SWITCHOVER  LATENT

 

SQL> RECOVER MANAGED STANDBY DATABASE FINISH;

Media recovery complete.

SQL> alter database commit to switchover to primary with session shutdown;
Database altered