RMAN
Recovery MANager
Check
rman target /
REPORT UNRECOVERABLE;
REPORT NEED BACKUP;
LIST BACKUP SUMMARY;
LIST BACKUP;
Pre-Requisites
In a Data Guard configuration, when backing up the Standby database... If your wallet is not set up correctly, you are likely to see this warning in the output from your backup...
RMAN-06820: WARNING: failed to archive current log at primary database
Configuration
Check
SHOW ALL;
Retention
CONFIGURE RETENTION POLICY TO REDUNDANCY 2;
Optimization
CONFIGURE BACKUP OPTIMIZATION ON;
Autobackup
CONFIGURE CONTROLFILE AUTOBACKUP ON;
Disk Backups
CONFIGURE DEVICE TYPE DISK BACKUP TYPE TO COMPRESSED BACKUPSET PARALLELISM 1;
Tape Backups
CONFIGURE DEVICE TYPE 'SBT_TAPE' BACKUP TYPE TO BACKUPSET PARALLELISM 2;
CONFIGURE ARCHIVELOG BACKUP COPIES FOR DEVICE TYPE 'SBT_TAPE' TO 1;
Data Guard Primary
CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY BACKED UP 1 TIMES TO 'SBT_TAPE';
https://blog.dbi-services.com/archivelog-deletion-policy-on-data-guard-configuration/