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ORA-01154: database busy. Open, close, mount, and dismount
not allowed now



ORA-01154: database busy. Open, close, mount, and dismount not allowed now..

Answer / guest

Cause: Some operation is in progress that expects the
opened/mounted state of this instance to remain the same.

Action: Wait for the operation to complete then retry. If
attempting to do a shutdown, SHUTDOWN ABORT will work. If
this is a shutdown of a standby database that is operating
in NO DATA LOSS mode, you must shutdown the primary database
first.

Please add more information about this Error

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