ORA-00225: expected size string of control file differs from actual size string
What triggered the Error:
The expected size of the control file as stored in its header was different than the actual operating system file size. This usually indicates that the control file was corrupted.What should we do to fix it:
Restore a good copy of the control file.
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