HOW TO PERFORM BLOCK MEDIA RECOVERY (BMR) WHEN BACKUPS ARE NOT TAKEN BY RMAN.
(Doc ID 342972.1)
Last updated on FEBRUARY 03, 2022
Applies to:Oracle Database - Enterprise Edition - Version 126.96.36.199 and later
Oracle Database Cloud Schema Service - Version N/A and later
Oracle Database Exadata Cloud Machine - Version N/A and later
Oracle Cloud Infrastructure - Database Service - Version N/A and later
Oracle Database Cloud Exadata Service - Version N/A and later
Information in this document applies to any platform.
To Perform Block Media Recovery (BMR) when there are OS-backups available, but NO RMAN backups.
Consider that a block corruption is reported in the database and the corruption is not wide spread.
Since RMAN is not used in the database the initial solution would be to restore the file from backup and then recover. But this method will require the file should be offline during the entire process. On the other hand if BMR can be used, the file does not need to be taken offline.
This document describes to how to use the OS backup via RMAN and then to perform the BMR.
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