
16
Copyright © Oracle Corporation, 2002. All rights reserved.
RMAN Maintenance

16-2 Copyright © Oracle Corporation, 2002. All rights reserved.
Objectives
After completing this lesson, you should be able to do
the following:
•Perform cross-checking of backups and copies
•Update the repository when backups have been
deleted
•Change the availability status of backups and
copies
•Make a backup or copy exempt from the retention
policy
•Catalog backups made with operating system
commands

16-3 Copyright © Oracle Corporation, 2002. All rights reserved.
Cross Checking Backups and Copies
Use the CROSSCHECK command to:
•Ensure repository information is synchronized with
actual files
•Check the status of a backup or copy
•Update the repository when files have been deleted
with operating system commands

16-4 Copyright © Oracle Corporation, 2002. All rights reserved.
The CROSSCHECK Command
•Cross-check all backups in the database:
•Cross-check all copies in the database:
CROSSCHECK BACKUPSET OF DATABASE;
CROSSCHECK COPY;

16-5 Copyright © Oracle Corporation, 2002. All rights reserved.
Deleting Backups and Copies
Use the DELETE command to:
•Delete physical backups and image copies
•Update repository status to DELETED
•Remove records from the recovery catalog