Error Received:
RMAN-06059: expected archived log not found, loss of archived log compromises recoverability
ORA-19625: error identifying file /backup/archive/1_543823_156765345.arc
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Solution :
By crosschecking, we mark archive files that do not exist on the disk as expired.
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					 1 2  | 
						$ rman target / RMAN> CROSSCHECK ARCHIVELOG ALL;  | 
					
We delete archive files marked as expired.
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					 1  | 
						RMAN> DELETE NOPROMPT EXPIRED ARCHIVELOG ALL;  | 
					
 
