Oracle Recovery Manager BACKUP RRECOVERY Test Sample. By: David Rincon   STEP 1: Identify data file to remove (Simulate DATAFILE loss). STEP 2: Delete DATAFILE (ASM protection disallows). STEP 3: Simulate DATFILE loss by shutdown and manual delete of DATAFILE. STEP 4: Attempt to startup database. STEP 5: Database startup fails due to missing file. […]