he following commands will helpful to delete the expired archive log files using Oracle Recovery Manager(RMAN).Connect to the Rman prompt and try the bellow commands.
RMAN>list expired archivelog all;
RMAN>crosscheck archivelog all;
RMAN>delete noprompt expired archivelog all;
RMAN>list expired archivelog all;
Sample Ouptut:
RMAN> list expired archivelog all;
specification does not match any archived log in the repository
RMAN>
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How to delete expired archive log files using rman?
原文：http://www.cnblogs.com/princessd8251/p/3808090.html