Sometimes You can get “RMAN-08591: WARNING: invalid archived log deletion policy ” error.
Details of error are as follows.
RMAN-08591: WARNING: invalid archived log deletion policy
Workaround: You can set the RMAN persistent configuration parameter as follows to solve this error.
RMAN> CONFIGURE ARCHIVELOG DELETION POLICY TO APPLIED ON ALL STANDBY;
Do you want to learn more details about RMAN, then read the following articles.