ORA-38851: cannot mark the current instance (redo thread) as disabled
Cause: The standby switchover or failover operation failed because it needs to mark the current instance (redo thread) as disabled.
Action: Shut down this instance and start up using a different instance name or redo thread number and retry.
Cause: The standby switchover or failover operation failed because it needs to mark the current instance (redo thread) as disabled.
Action: Shut down this instance and start up using a different instance name or redo thread number and retry.
