Glossary - StorageTek 4410 Hardware Operator's Manual

Glossary

This glossary defines terms and abbreviations in
this publication.
Some of the definitions are taken from the IBM
Dictionary of Computing. The letters in the
parentheses that follow some definitions indicate
the source of the definition:
(A) The American National Standard Dictionary for
Information Systems, ANSI X3.172-1990, copyright
1990 by the American National Standards Institute
(ANSI).
(E) The ANSI/Electronic Industries Association
(EIA) Standard-440-A, Fiber Optic Terminology.
(I) The Information Technology Vocabulary,
developed by Subcommittee 1, Joint Technical
Committee 1, of the International Organization
for Standardization and International
Electrotechnical Commission (ISO/IEC/JTC1/
SC1).
(IBM) The IBM Dictionary of Computing, copyright
1994 by IBM.
(T) Draft international standards committee
drafts, and working papers being developed by the
ISO/IEC/JTC1/SC1.
Numerics
20-drive frame Also known as a 9741/9741E,
a drive cabinet that holds up to 20 tape drives
(T9840 or T9940).
9741 A drive cabinet that contains up to 20
T9x40 tape drives. (Requires Feature 99DR for
T9940 drives.(
9840 See T9840.
9741E A drive cabinet that attaches to the LSM.
It holds up to 20 T9x40 tape drives.
9206
9490 A cartridge subsystem that holds two to
four TimberLine 9490 cartridge drives and control
units.
A
AC Alternating current.
ACS See automated cartridge system.
automated cartridge system (ACS) A
system that consists of five components: host
software, a library management unit, a library
control unit, library storage modules and cartridge
subsystems.
These components provide automatic mounting
and dismounting of cartridge tapes into a
transport, tape drive, cartridge access port, or
cartridge exchange mechanism.
automatic mode A relationship between an
LSM and all attached hosts. LSMs operating in
automatic mode handle cartridges without
operator intervention. This is the normal operating
mode of an LSM that has been placed online to all
host CPUs.
B
beginning-of-tape (BOT) The location on a
tape where written data begins.
C
CAP See cartridge access port.
cartridge access port (CAP) A device in the
library that allows an operator to insert or remove
cartridges during library operations.
cartridge drive (CD) The unit that houses the
magnetic-tape transports and controllers that store
and retrieve data for the host system in a cartridge
subsystem.
Eleventh Edition Glossary-1