Quantum ATL PowerStor L200 Series, Руководство пользователя

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83 ATL PowerStor L200 Series Library User’s Guide
Glossary
Glossary
A
abort
To cancel or terminate a program, command, or procedure
while in progress.
access time The interval between the time a request for data is made
by the system and the time the data is available from the drive.
arrow buttons Buttons found on the control panel used to scroll
through items.
autoclean
A user-defined mode in which the library automatically
performs drive cleaning tasks as needed.
automated tape library An enclosed data storage system consisting
of storage elements, data transfer elements, DLTtape cartridges, and
robotic gripping mechanism used to identify, handle, and move
cartridges from one element to another.
B
bar code
A printed pattern of vertical bars of varying widths used
for computerized inventory control.
bar code label The identification label on DLTtape cartridges.
bar code scanner A device that is mounted on the extension axis
that reads the cartridge bar code labels.
bit The basic unit of information in a binary numbering system
(binary digit). A bit is represented by either 1 or 0. Eight bits make up
each byte.
bus An interface designed to send and receive data.
byte The basic unit of computer memory, large enough to hold one
character. A byte is composed of eight bits.
C
CHM Cartridge Handling Mechanism. A compact, bi-directional
roller system that enables simple horizontal movement between the
magazine and DLT drive.
D
DLTtape Digital Linear Tape. A 0.5-inch, high-grade, metal-particle
magnetic tape medium housed in a 4.1 by 4.1 by 1-inch cartridge.
DLTtape technology is the intellectual property of Quantum
Corporation.