The cleaning light is blinking on your tape backup device and last night’s backup failed to finish successfully. The log file for the backup job in Symantec Backup Exec states that the software was unable to write to the backup media. What’s going wrong? One of the most common causes for this error message is dirty read/write heads on the tape drive device. Regular cleaning of the tape drive device is a normal maintenance process, which should be conducted regularly. Writer Bio

How to Set Up a Cleaning Job in Backup Exec - 5