ORA-38854: cannot mark instance string (redo thread string) as disabled

ORA-38854
ORA-38854: cannot mark instance string (redo thread string) as disabled
Cause: The open resetlogs or standby activation operation failed because it needs
to mark an instance (redo thread) as disabled. That instance was up, which
prevented it from being disabled.
Action: Shut down the specified instance and retry this command.
More details : Viste http://www.high-oracle/ora-38854/
More details : Viste http://www.high-oracle/ora-38854/
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