ORA-00322 log %s of thread %s is not current copy

Cause: Check of log file header at database open found that an online log appears to be an incorrectly restored backup. Action: Restore correct file or reset

ORA-00340 IO error processing online log %s of thread %s

Cause: An IO error occurred on the named online log. Action: Restore accessibility to file, or restore file from backup.

ORA-00232 Snapshot control file is nonexistent, corrupt, or unreadable

Cause: The snapshot control file was found to be nonexistent, corrupt, or unreadable during an invocation of cfileUseSnapshot. Action: Call cfileMakeAndUseSnapshot again (or for the first time).

ORA-00238 Operation would reuse a filename that is part of the database

Cause: The filename supplied as a parameter to the ALTER DATABASE BACKUP CONTROLFILE command or to cfileSetSnapshotName matches the name of a file that is currently part of the database. Action: Retry the operation with a different filename.