Oracle 10g Control File Corruption recovery

1. Previously, the control file was backed up and recovered using the backup control file.

(1) backup control file

(2) shut down the database and delete the control file. The simulated control file is missing.

(3) database startup Error

(4) restore with backup control files

(5) Open the database and test the database

2. Restore with the old control file (restore with the archive log and redo log)

(1) Use rman to restore expired Control Files

(2) failed to mount the database.

(3) Use archiving logs and redo logs to restore control files