HP 20-Feb manual Glossary

drive cleaning A library feature that uses a cleaning tape to clean a tape drive.

drive module The entire assembly that houses the drive, including the metal housing and connectors.

differential SCSI A type of SCSI cable that can carry data a maximum of 25 meters.

E

event A significant function of the library displayed in the event log that reports drive errors, online/offline transitions, drive cleaning, and other information.

F

fabric Switched interconnect methodology that supports high-speed data routing in Fibre Channel networks.

Fibre Channel A switched protocol that allows concurrent communication among workstations, supercomputers, mainframes, data storage devices, and other peripherals. Fibre Channel is capable of transmitting at rates exceeding one gigabit per second in both directions simultaneously.

Fibre Channel Topology that provides a low-cost solution for attaching multiple Fibre Channel

Arbitrated ports in a loop without switches. Loop (FC-AL)

front panel display An LCD (liquid crystal display), equipped with five soft keys, mounted on the front of the library (top level on multi-level libraries) that controls all library functions.

G

GBIC Gigabit Interface Converter

H

hard errors Electronic errors in library functions that cannot be recovered. These errors are recorded in the hard error log. May also be referred to as host interface card.

HBA Host Bus Adapter - A circuit board residing in the host system that handles requests to and from the host system and the library. May also be referred to as a host interface card.

222 Glossary