IBM TS4500, Введение и руководство по планированию

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Glossary
This glossary defines the special terms, abbreviations, and acronyms that are used in this publication and
other related publications.
Numbers
2:1 or 3:1 compression
The relationship between the quantity of
data that can be stored with compression
as compared to the quantity of data that
can be stored without compression. In 2:1
compression, twice as much data can be
stored with compression as can be stored
without compression. In 3:1 compression,
three times as much data can be stored
with compression as can be stored
without compression.
2N Twice the amount of a system's electrical
power load. If the system has 2N power
supplies, then there are two power
supplies available for every load, which
means greater redundancy and
availability of electrical power. For
example, the Enhanced Frame Control
Assembly of the TS3500 offers a 2N
power design with no single point of
failure or single point of repair.
3588 Tape Drive
See IBM 3588 Tape Drive Model F3A , IBM
TS1030 Tape Drive Model F3B , IBM TS1040
Tape Drive Model F4A , IBM TS1050 Tape
Drive Model F5A , IBM TS1040 Tape Drive
Model F5C , IBM TS1060 Tape Drive Model
F6A , and IBM TS1040 Tape Drive Model
F6C
3592 Tape Controller Model J70
See IBM 3592 Tape Controller Model J70.
3593 Tape System
The IBM 3953 Tape Frame Model F05 and
the IBM 3953 Library Manager Model
L05.
A
A Ampere.
AAP See authorized assembler program .
ac See alternating current .
accessible cartridge storage slots
Within the TS3500, units that can contain
tape cartridges and that are recognizable
to the library by both a physical address
(such as F01-C05-R19) and a SCSI element
(logical) address (such as 1112(X'458').
Accessible cartridge storage slots do not
include I/O station slots or the
inaccessible slots that are reserved for the
diagnostic cartridges. The quantity of
accessible cartridge storage slots per
frame varies, depending on the quantity
of drives that are installed in the frame.
accessor controller
The logic card for the cartridge accessor.
The accessor controller handles accessor
motion requests, including calibrations,
moves, and inventory updates. It also
provides centralized management for
other aspects of the entire library,
including configuration, insert and eject
operations, automatic drive cleaning, and
determination of element status.
ac line voltage
The input voltage (in volts) that is
required by the TS3500 or TS4500 for
normal operation.
Activity screen
The primary screen on the touchscreen of
the TS3500. The Activity screen gives the
level of firmware in the library, shows
whether the library is ready, not ready, or
initializing, and tells the quantity of tape
cartridges currently in the I/O stations.
The screen also indicates the current
activity that is being performed, the
volume serial (VOLSER) number of the
cartridge that are associated with the
activity, and a history of previous
activities. The Activity screen leads to the
Main Menu.
adapter
See adapter card .
adapter card
A circuit board that adds function to a
computer.
© Copyright IBM Corp. 2014, 2017
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