Cause: The system cannot access the archived redo log because it belongs to another database. Action: Specify the correct redo log file, then retry the operation.
Cause: A log file has shrunk in size. This is likely to have been caused by operator or operating system error. Action: Restore the log file from backup. If backup is not available, drop this log and re-create. If the database was shut down cleanly, no further action should be required; otherwise incomplete recovery may…
Cause: The archived log is not the correct log. A later log is needed. Action: Restore the correct log file.
Cause: The archived log supplied for recovery was generated before the log that is needed. Can not use the log for applying redo. Action: Find correct archived log.
Cause: The archived log is out of sequence, probably because it is corrupted or the wrong redo log filename was specified during recovery. Action: Specify the correct redo log file; then retry the ope
Cause: An I/O error occurred while archiving a redo log file. Action: Check that the output device is still available and correct any device errors that may have occurred. Also, make certain that sufficient space for archiving is available on the output device.
Cause: Attempt to open thread failed because it is necessary to switch redo generation to another online log, but all the other logs need to be archived before they can be used. Action: Archive the logs for the thread then retry open.