How do I delete RMAN backups?

Posted on by Muna Meyer

How do I delete RMAN backups?

To delete all backups for the target database use: RMAN> DELETE BACKUP;

  1. Delete Backupset. To delete a backup set specify the set number e.g. 23: RMAN> DELETE BACKUPSET 23;
  2. NOPROMPT keyword.
  3. Image Copies.
  4. Expired Backups.
  5. Obsolete Backups.

How do I delete files from flash recovery area?

You can run the RMAN CROSSCHECK command to have RMAN re-check the contents of the flash recovery area and identify expired files, and then use the DELETE EXPIRED command to remove missing files from the RMAN repository.)

How can I delete fast recovery area in Oracle 12c?

Use the RMAN command CONFIGURE CONTROLFILE AUTOBACKUP FORMAT FOR DEVICE TYPE DISK CLEAR to clear any configured format option for the control file autobackup location on disk. Control file autobackups will be placed in the flash recovery area when no other destination is configured.

How do I clear my RMAN catalog?

Dropping the Recovery Catalog

  1. Use RMAN to connect to the target and recovery catalog databases. % rman TARGET / CATALOG rman/cat@catdb.
  2. Issue the DROP CATALOG command twice to confirm: DROP CATALOG; recovery catalog owner is rman enter DROP CATALOG command again to confirm catalog removal DROP CATALOG; Note:

What to do if FRA is full in Oracle?

The solution is to remove data from the FRA (see removing FRA logs )and/or increase the parameter DB_RECOVERY_FILE_DEST_SIZE.

What is Oracle flash recovery area?

In the Oracle database, the Flash Recovery Area or FRA is a location on disk where the database can create and manage several kinds of backup and recovery-related files. Main file types are archivelog, flashback log, backups, as well as mirrors for your control files and redo log files.

How can I make my recovery area faster?

Specify the size of the fast recovery area using the following command: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST_SIZE = 10G; Specify the location of the fast recovery area using the following command: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ‘/u02/oracle/fra’;

How do I change my fast recovery area?

To change the location of the flash recovery area, enter the following command at the SQL Command Line prompt: ALTER SYSTEM SET DB_RECOVERY_FILE_DEST = ‘new_path’; where new_path is an absolute path to the new directory for the flash recovery area. The path must exist.

How do I know if my backup is obsolete?

Reporting on Obsolete Backups To report obsolete backups: Start RMAN and connect to a target database and recovery catalog (if used). Execute the CROSSCHECK command to update the status of backups in the repository compared to their status on disk.

How to restore RMAN backup on different server?

Restore the SPFILE.

  • Create the PFILE from SPFILE and make parameter changes as required.
  • Note- make required changes here in the init.ora file to take care of new directories for control files,audit dump,fast recovery area etc.
  • Restore the Control Files
  • Mount the database and catalog the backup pieces which have been restored in the new location.

    • How to delete old obsolete and expired Oracle RMAN backup?

    RMAN > backup database; Takes a new backup. RMAN > list backup; Gives you a list of all the backups that have been taken (and are still kept). RMAN > delete obsolete; Taking the new backup may have made the oldest backups obsolete and so you can delete them. So remember, Expired backups are gone, obsolete are still there but not needed to meet

    How to remove old RMAN backup files.?

    Delete Backupset. To delete a backup set specify the set number e.g. 23:

  • NOPROMPT keyword. Do you really want to delete the above objects (enter YES or NO)?
  • Image Copies. Alternatively specify the datafile image copy name.
  • Expired Backups
  • Obsolete Backups. To delete backups that have become obsolete based on the retention policy.

    • How to backup and restore in Oracle with RMAN?

    – Start RMAN and connect to the target database. – Run the STARTUP FORCE NOMOUNT command. – Run the SET DBID command to distinguish this connected target database from other target databases that have the same name. – Run the RESTORE CONTROLFILE command. After restoring the control file, you can mount the database to restore the rest of the database.