COMPUTER HARDWARE AND COMPUTER SOFTWARE FOR THE OPERATION AND MANAGEMENT OF FAULT TOLERANT DATA AND ARCHIVE STORAGE UNITS, DISC DRIVES, CD-ROM DRIVES, TAPE AND CONCURRENT BACK UP CONTROLLERS AND INSTRUCTIONAL UNITS SOLD THEREWITH

computer hardware; computer software used to operate and manage fault tolerant data and archive storage units using disc drive, CD-ROM, tape and concurrent back up controllers as part of or in conjunction with personal computers, networks of personal computers and servers, and instructional manuals sold therwith