Academic journal article T H E Journal (Technological Horizons In Education)

Tape Subsystem Solves Univ's Backup Dilemma

Academic journal article T H E Journal (Technological Horizons In Education)

Tape Subsystem Solves Univ's Backup Dilemma

Article excerpt

"It's hard to convince people that a workstation and a single tape subsystem could back up a large system," says Mike Petry, administrator of the University of Maryland's computer network. But that is exactly what Petry had to do when he lobbied for the purchase of the JukeBoxLibrary, a 125-gigabyte (GB) mass-storage subsystem, for the university's computer science center.

Until the JukeBoxLibrary was added to the network, the demands of faculty, staff and students for computer time interfered with the need to back up critical data. The school desperately needed a subsystem that could store a tremendous amount of information, however was also flexible enough to support the university's many and varied systems.

* Serves a Mixed Network

"Our network spans the gamut," says Petry. "At our computer science center, we have an IBM 3081 system, a Unisys 11/92, a VAX 6430, a VAX 6220, a dozen DEC 3100s, a dozen MicroVAXes and dozens of DEC 2000s-all connected by Ethernet.

"We did full backups just once a week because of time constraints, says Petry of their 24-hour-a-day operation. "There were only so many hours in the evening when operators could hang tapes. Something needed to be done; otherwise, any kind of growth [to the network] would have been severely impaired. …

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