I/O
Input/output.
IOP
Input/output processor.
IPL
Initial program load.
ITST
Idle-time self-test.
K
kilogram (kg)
One thousand grams (approximately 2.2
pounds).
km
kilometer. 1000 Meters, Approximately
5/8 mile.
L
LAN
Local area network. A computer network
within a limited area.
LCD
See
liquid crystal display
.
LDAP
Lightweight Directory Access Protocol.
This allows the library to use login and
password information stored on a server
to grant access to the library functionality.
LED
Light-emitting diode.
Linear Tape File System (LTFS)
A file system that works in conjunction
with LTO Generation tape technology to
access data stored on an IBM tape
cartridge.
Linear Tape-Open (LTO)
A type of tape storage technology
developed by the IBM Corporation,
Hewlett-Packard, and Certance. LTO
technology is an “open format”
technology, which means that its users
will have multiple sources of product and
media. The “open” nature of LTO
technology enables compatibility between
different vendors' offerings by ensuring
that vendors comply with verification
standards. The LTO technology is
implemented in two formats: the Accelis
format focuses on fast access; the Ultrium
format focuses on high capacity. The
Ultrium format is the preferred format
when capacity (rather than fast access) is
the key storage consideration. An Ultrium
cartridge has a compressed data capacity
of up to 800 GB (2:1 compression) and a
native data capacity of up to 400 GB.
liquid crystal display (LCD)
A low-power display technology used in
computers and other I/O devices.
loadable
Having the ability to be loaded.
LTO cartridge memory (LTO-CM)
Within each LTO Ultrium data cartridge,
an embedded electronics and interface
module that can store and retrieve a
cartridge's historical usage and other
information.
LVD
SCSI Bus Low Voltage Differential
M
m
Meter. In the Metric System, the basic unit
of length; equal to approximately 39.37
inches.
magnetic tape
A tape with a magnetical surface layer on
which data can be stored by magnetic
recording.
MAP
Maintenance analysis procedure.
mask
A pattern of characters that controls the
retention or elimination of portions of
another pattern of characters. To use a
pattern of characters to control the
retention or elimination of portions of
another pattern of characters.
master file
A file used as an authority in a given job
and that is relatively permanent, even
though its contents may change.
Synonymous with main file.
MB
Mega Byte (usually expressed as data rate
in MB/s or MB/second).
media capacity
The amount of data that can be contained
on a storage medium, expressed in bytes
of data.
media-type identifier
Pertaining to the bar code on the bar code
label of the IBM Ultrium Tape Cartridge,
a 2-character code, L1, that represents
information about the cartridge.
L
identifies the cartridge as one that can be
read by devices which incorporate LTO
technology;
1
indicates that it is the first
generation of its type.
mega
One million of.
meter
In the Metric System, the basic unit of
length; equal to approximately 39.37
inches.
90
IBM Half High LTO Ultrium Gen 6 Internal SAS Tape Drive: Installation and User's Guide
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