This article is from the storage FAQ part2, by Rodney D. Van Meter with numerous contributions by others.
The uncle of UNIX HSMs. Developed primarily at Lawrence Livermore National Laboratories. Commercialized by a company called DISCOS, then sold to OpenVision. UniTree was sold to UniTree Software in December, 1994. See http://www.unitree.com. Many versions exist on different hardware platforms, including a National Storage Lab (NSL) UniTree commercialized by IBM - Fed Systems. It's also available on SGI, Convex, and Amdahl hardware, at least. See also "Epoch vs Unitree" below For Convex, try Jim Wilson 214-497-3085 firstname.lastname@example.org Business Development Data Management Applications Convex Computer Corporation For most other platforms, call Open Vision at (800)223-OPEN or (510)426-6400. New info: The latest release of UniTree, V1.9.1, has the following changes: - Available directly from UniTree Software Inc. - Support DEC, HP-UX, SGI, Sun - GUI(Tcl/Tk) tools for installation and administration - New name database structure - Common Message Logger - Parallel Migration and Staging - Multiple Storage Hierarchy (Optical/Tape) - FTP performance improvements (Read/Write 20MBs/16MBs)* - NFS performance improvements (Read/Write 3.5MBs/2MBs)* - Rule-based dynamic migration - Support for new robots (e.g., STK 97xx) - Support >2GB disk partitions on Sun - 64K File Families - Configurable media and drive types - Departmental File Server Configuration - Compatible with most backup software (Legato, CAM, SMArch) Demo copy available for download from web site: www.unitree.com New resellers in Asia, Europe, Australia * Measured on a dual cpu Sun Ultra3000 with 256MB and 10 disks -- Francis Kim Phone: (510) 833-3460 Director of Sales and Marketing FAX: (510) 833-9345 Unitree Software, Inc. e-mail: email@example.com 11875 Dublin Blvd. Suite A200E WWW: http://www.unitree.com Dublin, Ca. 94568