This article is from the storage FAQ part2, by Rodney D. Van Meter with numerous contributions by others.
Metrum's data storage division was bought by Lockheed Martin and renamed MountainGate. Autochangers for their VHS-based high-capacity (20GB, 2 MB/sec.) tape drive. They now have a stacker available for standalone drives. Library of 960 GB (RSS-48b) holds 2 drives and 48 cartridges in a rotating drum. Library of 12 TB (RSS-600b) holds 5 drives and 600 cartridges in less than 20 square feet of floor space. The tapes are held in rotating drums on each side, with the drives in a rack in between. OEMs through Convex, IBM, and a host of resellers. Integrated with various backup and HSM packages, including UniTree from Convex & IBM, and AMASS from AAP. See MountainGate also under MO and DLT autochangers. MountainGate A Lockheed Martin Company 9393 Gateway Drive Reno NV 89511-8910 702-851-9393 Phone 702-851-5533 Fax See them on the web at http://www.mountaingate.com, but as of today (1996/3/19) doesn't have much on the high-end products.