RMAN

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/

Bibliography

https://docs.oracle.com/cd/B28359_01/backup.111/b28270/rcmbckba.htmhttp://oracle-help.com/backup-and-recovery/set-time-and-date-format-in-rman/https://blog.dbi-services.com/archivelog-deletion-policy-on-data-guard-configuration/ https://docs.oracle.com/cd/E11882_01/backup.112/e10642/rcmtroub.htm (Troubleshooting)https://www.thegeekstuff.com/2013/08/oracle-rman-backup/https://hemantoracledba.blogspot.com/2021/01/rmans-catalog-command.html