ORA-00233: copy control file is corrupt or unreadable
What triggered the Error:
The specified copy control file was found to be corrupt or unreadable during an invocation of cfileUseCopy.What should we do to fix it:
Before retrying cfileUseCopy, use the ALTER DATABASE BACKUP CONTROLFILE command and specify the same filename that was specified for cfileUseCopy.
If this was not sufficient go over to:
Oracle Official Support Knowledge Center
Or maybe those geeks at: StackOverflow Board
Or maybe those geeks at: StackOverflow Board