StorageTek L700 Service Manual page 342

Glossary
CAP See cartridge access port.
cartridge 1) A storage device that consists
of magnetic tape on supply and take-up
reels, in a protective housing. (IBM) (2) A
container that holds magnetic tape on a
supply reel and is inserted into a drive for
read and write operations.
In the 9840/T9840, the cartridge has both the
supply and take-up reels. In the T9940, the
cartridge has only a single supply reel with
the take-up mechanism residing in the drive.
cartridge access port (CAP) (1) In a
StorageTek library, a mail slot through which
an operator feeds tape cartridges into and
retrieves tape cartridges from a library. (2) A
device in the library that allows an operator
to insert or remove cartridges during library
operations. (3) A storage device that allows
an operator to insert or remove cartridges
during automated library operations.
cartridge drive The unit that houses the
magnetic-tape transports and controllers that
store and retrieve data for the host system in
a cartridge subsystem.
cartridge tape A composite of the plastic
housing and the magnetic tape.
catalog (1) The inventory of all cartridge
tape storage locations in a library; this
inventory is by library number, panel, row,
column. (2) A stored list of backed up files
and directories and the locations of the
backup copies.
CCITT Consultative Committee for
International Telephone and Telegraph.
cell (1) A slot in the library in which a
cartridge is stored. (2) The location in which
a cartridge is stored in a library. (3) A place
in which a cartridge resides in a library. (4)
The location in the library in which a
cartridge is stored.
command line interface (CLI) For
firmware 2.20 and lower—the SER1 port on
Glossary-2
the MPC card. For firmware 3.00 or later, the
CSE port on the MPC/MPCL card. For MPB
firmware only, the CSE port on the Master
library's door frame.
configuration (config) (1) The manner in
which the hardware and software of an
information processing system is organized
and interconnected. (T) (2) The physical
description of a library listing the panel types,
cartridge capacity, type of host connection,
and number of drives.
customer services engineer (CSE) A
service representative who supports and
services customer's products.
CSE port A port on the MPC card for
loading 3.00 or later firmware.
D
daisy chain (1) A method of device
interconnection for determining interrupt
priority by connecting the interrupt sources
serially. (2) A device interconnection cable.
diagnostic programs Automated offline
tests that a service representative uses to
evaluate and troubleshoot equipment.
diagnostic tests See diagnostic programs.
Direct Memory Access (DMA) An
operation in which the electronics bypass the
microprocessor and directly access the
memory.
domain (1) A shared user authorization
database which contains users, groups, and
their security policies. (2) A set of
interconnected network elements and
addresses that are administered together and
that may communicate.
Domain Name Service (DNS) A service
that translates domain names into IP
addresses. Because domain names are
alphabetic, they are easier to remember than
IP addresses.
Fourteenth Edition
StorageTek Proprietary
95846