Löschen alter Tape-Drives (sbt) Backups aus dem RMAN Catalog eine connect to Database and RMAN Catalog rman target / catalog rman/rman@rman Allocale Maintenance-Device to clean old backups from catalog allocate channel for maintenance device type sbt parms 'SBT_LIBRARY=oracle.disksbt, ENV=(BACKUP_DIR=/tmp)'; Crosschek with “Fake” sbt and delete old Backups from catalog crosscheck backup; crosscheck archivelog all; delete noprompt force expired backup; delete noprompt force obsolete;