RMAN-08591: warning: invalid archived log deletion policy

Error:

While taking archive backup we were getting below error:

RMAN-08591: warning: invalid archived log deletion policy


Solution:

After check the RMAN configuration policy, we found:

RMAN> SHOW ARCHIVELOG DELETION  POLICY;
RMAN configuration parameters for database with db_unique_name ORCL are:
 CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;


While no dataguard still the  retention policy of the data guard 

Change the archive log deletion policy 

New Value to be set as below

RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO BACKED UP 1 TIMES TO DISK; 






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