ORA-38857: cannot mark redo thread string as enabled

ORA-38857
ORA-38857: cannot mark redo thread string as enabled
Cause: The standby switchover or failover operation failed because it needs to
mark a redo thread as enabled. However, the control file was recreated with a
MAXINSTANCES value smaller than the thread number of the redo thread.
Action: Recreate the control file with a larger MAXINSTANCES value.

19-26 Oracle Database Error Messages

More details : Viste http://www.high-oracle/ora-38857/
More details : Viste http://www.high-oracle/ora-38857/
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