Home > Administration > RMAN-06136: ORACLE error from auxiliary database: ORA-01503: CREATE CONTROLFILE failed ORA-12720: operation requires database is in EXCLUSIVE mode

RMAN-06136: ORACLE error from auxiliary database: ORA-01503: CREATE CONTROLFILE failed ORA-12720: operation requires database is in EXCLUSIVE mode

Today,

I duplicate new database from existing database on the same RAC servers. At the end, I got the following messages

RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of Duplicate Db command at 03/07/2011 11:29:05
RMAN-06136: ORACLE error from auxiliary database: ORA-01503: CREATE CONTROLFILE failed
ORA-12720: operation requires database is in EXCLUSIVE mode

Finally, I found that I foget setting the target database ( the new one) initial parameter cluster_database to false. After changing the parameter to false, and restart instance in nomount and then reduplicate the database again. It worked fine.

 

 

 

 

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