What is report obsolete in RMAN?

What is report obsolete in RMAN?

REPORT OBSOLETE. Full backups, datafile copies, and archived redo logs recorded in the RMAN repository that can be deleted because they are no longer needed. Database schema. REPORT SCHEMA. The names of all datafiles (permanent and temporary) and tablespaces for the target database at the specified point in time.

What is Oracle obsolete?

The general meaning of OBSOLETE is no longer used or required. RMAN considers backups as OBSOLETE when they are no longer required for database recovery. This means that if we have 5 database backups, the first one will be marked as OBSOLETE because we want to keep 4 copies of RMAN backups.

What is the difference between obsolete and expired backup?

A status of “expired” means that the backup piece or backup set is not found in the backup destination. A status of “obsolete” means the backup piece is still available, but it is no longer needed.

What is delete obsolete?

The following three things will happen when you perform “DELETE OBSOLETE” from RMAN prompt: The physical backup files are removed from the filesystem level (or from tape backup) The backup entries are removed from the RMAN recovery catalog. The entries are marked as DELETED in the Oracle control file.

What is obsolete backup in Oracle?

A backup is obsolete when REPORT OBSOLETE or DELETE OBSOLETE determines, based on the user-defined retention policy, that it is not needed for recovery. A backup is considered expired only when RMAN performs a crosscheck and cannot find the file. In short, obsolete means “not needed,” whereas expired means “not found.”

How do I check my last successful RMAN backup?

To check percentage completion, you can use V$SESSION_LONGOPS and v$rman_backup_job_details, to monitor the current executing RMAN jobs and the status of the previously completed backups. Below script will report you the percentage of completion along with sid and serial#.

What is SQL obsolete?

SET CLOSECUR[SOR] {ON|OFF} (obsolete) Sets the cursor usage behavior. On or OFF sets whether or not the cursor will close and reopen after each SQL statement. This feature may be useful in some circumstances to release resources in the database server.

Can we restore obsolete backup?

If you have datafile copies, backup pieces or archive logs on disk, you can catalog them in the recovery catalog using the CATALOG command. When using a recovery catalog, cataloging older backups that have aged out of the control file lets RMAN use the older backups during restore operations.

What is obsolete file?

Use the adjective obsolete for something that is out of date. Something that is obsolete has usually been displaced by a newer, shinier innovation. Compact discs made records and cassettes obsolete, and then downloadable digital music files made compact discs obsolete.

How do I delete an expired backup?

To delete expired backups:

  1. Connect RMAN to the target database as described in “Connecting to the Target Database Using RMAN.”
  2. Optionally, cross-check backup sets by using the following command: CROSSCHECK BACKUPSET;
  3. Delete expired backups using the following command: DELETE EXPIRED BACKUP;

What is Oracle retention policy?

A retention policy determines when files are obsolete, meaning that they are no longer needed to meet your data recovery objectives. When using a policy based on redundancy, you specify how many full or level 0 backups of each data file and control file that Oracle Recovery Manager (RMAN) keeps.

How do I monitor progress in RMAN backup?