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Glossary
This glossary defines the special terms,
abbreviations, and acronyms used in this
publication. If you do not find the term you are
looking for, refer to the index or to
IBM Dictionary
of Computing
, ZC20-1699.
Numerics
3490E. Term used to mean a 3490E tape subsystem.
3494. See
Tape Library Dataserver
.
A
APPC. Advanced Program-to-Program
Communication. A form of LAN communication protocol.
action bar. In the library manager application, the area
at the top of the primary window that contains keywords
that give users access to actions available in that
window. After users select a choice in the action bar, a
pull-down extension is displayed.
active accessor. Accessor currently being used to
move cartridges within the unit.
active library manager. Library manager controlling
library operation.
active window. In the library manager, the window
that is in current use and which receives keyboard
input.
advanced program-to-program communication
(APPC). A form of LAN communication protocol.
auto mode. An operating mode, whereby, the attached
host systems directs the operation of the tape library
without operator interaction.
automatic cartridge loader (ACL). A device that
allows multiple cartridges to be loaded from a tape drive
without operator intervention.
available. The term used to indicate that a component
is available for use by the library manager. Components
in the tape library (cartridge accessor, gripper,
Convenience Input⁄Output Station, tape drives) are
either available or unavailable for use. Compare with
Online
.
B
bar code. A code representing characters by sets of
parallel bars of varying thickness and separation.
bar-code reader. See
vision system
.
barrier door. Used, by service personnel, to separate
the service bay from the main aisle of the 3494. This
allows for concurrent service to the accessor and the
associate hardware.
C
cartridge. Term used to refer to either the IBM
Cartridge System Tape or the IBM Enhanced Capacity
Cartridge System Tape.
cartridge accessor. The physical mechanisms, within
the tape library that identify, retrieve, and move tape
cartridges. It consists of a bar-code reader and picker
mechanism.
cartridge automation. The process where the tape
library automatically performs actions for inserting,
ejecting, mounting, demounting, loading, and unloading
of tape cartridges.
Cartridge System Tape. The base tape cartridge
media that is used with 3480 or 3490 Magnetic Tape
Subsystems.
category. A grouping of volumes that have a common
attribute, such as volumes to eject, volumes newly
added to the library, and volumes to clean devices.
caution notice. A special note in text that calls
attention to a situation that is potentially hazardous to
people because of some existing situation. See also
Danger notice
.
cell. See
storage cell
.
check box. On the library manager screen, a control
that consists of a displayed square box and selectable
text. It acts like a switch.
click. With the library manager, the act of pressing a
button on a pointing device while holding the pointing
device pointer on the selected text. See also
double-click
.
client area. The area in the center of a window that
contains the main information of the window.
code. The term used to refer to the internal programs
that comprise the library manager application.
command. A control signal that initiates an action or
the beginning of a sequence of actions.
component. A part of a functional unit; for example,
the gripper mechanism is a component of the cartridge
accessor.
© Copyright IBM Corp. 1993, 1999 341