RMAN do not mark expired backups

rman Don't delete 3 Backup months ago ~~~~ Yes DG

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Other answers 1：

Is... Used in the backup script backup.....keep command

Other answers 2：

Do you want to delete or not delete ？

Other answers 3：

  

   --  The retention policy settings for backup 90 God （ Set... In the main library , The standby database needs to be restored according to the master database control file ）CONFIGURE RETENTION POLICY TO RECOVERY WINDOW OF 90 DAYS;--  You need to manually execute delete obsolete Delete them delete noprompt obsolete;