Oracle Database: Remove old archive files from RMAN

rman target /

CROSSCHECK BACKUP;

CROSSCHECK COPY;

CROSSCHECK ARCHIVELOG;

DELETE EXPIRED BACKUP;

DELETE EXPIRED COPY;

DELETE EXPIRED ARCHIVELOG;

RMAN> report obsolete; RMAN> delete obsolete;

recent commands:

delete archivelog all completed before 'sysdate -1';

backup archivelog all;

crosscheck backupset;

crosscheck archivelog all;

show all;

report obsolete;

delete obsolete;

SQLPLUS:

 show parameter db_recover

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