I think I need a replacement drive for my TL2000 LTO4 SAS.  It will do small backups but when a backup is near the tape capacity it fails.  Using Backup Exec and they claim it is a bad drive.

It took half a dozen calls to Dell to get anyone to call me back and they keep quoting me tapes.  They don't seem to know what a tape drive is.  They finally gave up and told me all drives for TL2000s are discontinued.  I would like to upgrade the drive if possible.  Does anyone know where I can find part numbers or someone at Dell to help?