How to Recover an Oracle Database Backup

If the header record is for the backup medium like tape labels or cassette storage ids, you may be able to process them as unlabeled with some adjustments to scripts and code.
Make sure that the backup file(s) have all been properly closed and check them with an appropriate system utility for recoverable errors. Finally, start making dual log files backups for critical data stores. This was standard practice in the mainframe world because bad tapes were frequent enough to keep you awake if you didn't double up. Even then,...

As soon as possible make and effort to "test" restore from tape every six months to a year onto a separate machine. This will verify that your writing to the tapes.

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