RMAN-03002: failure of backup command at 06/28/2015 14:56:30 RMAN-06059: expected archived log not found, loss of archived log compromises recoverability ORA-19625: error identifying file +DGFRA/corpdb/archivelog/2015_06_27/thread_1_seq_20198.1192.883524615 ORA-17503: ksfdopn:2 Failed to open file +DGFRA/corpdb/archivelog/2015_06_27/thread_1_seq_20198.1192.883524615 ORA-15012: ASM file '+DGFRA/corpdb/archivelog/2015_06_27/thread_1_seq_20198.1192.883524615' does not exist
First of all, you need to know which files exists or not:
RMAN> CROSSCHECK ARCHIVELOG ALL;
Then, clear the missing and run another backup.
RMAN> DELETE EXPIRED ARCHIVELOG ALL;
It’s hardly recommended that you make a full backup after that, to ensure you have a recoverable state.