Dell PowerVault 120T DDS4 User Manual

Also see for PowerVault 120T: User guide Information update

Dell PowerVault 120T DDS4 Autoloader User's Guide 4-3Running the Dell DiagnosticsPlease see your system user's guide .Cleaning the Autoloader:The tape drive in the autoloader requires periodic cleaning.The frequency with which your drive should be cleaned depends how much theDDS cassettes(s) have been used for backup operations. Dell recommendsthat you use the following guidelines to determine when to clean your drive:1.) When the "CleanReq" warning is shown on the LCD.2.) If the DDS cassette has been used 12 hours or more, it is recommendedthat the drive be cleaned once every 24 hours of backup operation.You should also clean the drive if you get an error message during a backupoperation.Use the cleaning cartridge that is provided to perform the following cleaningprocedure:Sequential Mode:1) Place the cleaning cartridge into one of the magazine slots (for example, slot8) and insert the magazine into the autoloader.2) Use the Select button to select the slot in which you placed the cleaningcartridge. The autoloader will automatically perform a cleaning cycle.3) At the end of the cleaning cycle, the drive automatically ejects the cartridgeand the autoloader replaces it in the magazine.Random Mode:1) The host sends a MOVE MEDIUM command to move the cleaning cartridgefrom the magazine to the drive.2) The drive will the automatically carry out a cleaning cycle.3) The drive automatically ejects the cartridge when the cleaning cycle iscomplete. The autoloader returns the cartridge to its magazine slot.NOTES: If you still get an error message after performing the cleaningprocedure, try the procedure a maximum of 5 more times. If the error messagepersists after 6 cleanings, the problem may not be related to cleaning. Tryusing another DDS cassette for backup operations instead.