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Glossary
used to indicate the field replaceable unit
(FRU) that is probably causing the error.
FSC See fault symptom code.
I
ID Identifier or identification.
initial program load A process that
activates a machine reset and loads system
programs to prepare a computer system for
operation. Processors with diagnostic
routines activate these routines at IPL
execution.
IPL See initial program load.
L
library storage module A unit that
contains the storage area for cartridges, the
robot that moves the cartridges, and the
drives.
LSM See library storage module.
M
manual mode A relationship between an
LSM and its attached host. An LSM
operating in manual mode is not
communicating with the host central
processing unit and requires human
assistance to perform cartridge operations.
O
online State of being controlled directly
by or in direct communication with a
computer. Available for functional use.
R
robot Electromechanical device for
locating and moving cartridges.
Glossary-2
S
SCSI See Small Computer Systems
Interface.
Small Computer Systems Interface A
data interface between the drives and host.
V
VOLSER See volume serial label.
volume serial label An alphanumeric
label used by LSM management software to
identify a volume. It is attached to the spine
of a cartridge and can be read by people
and the camera.
volume Magnetic cartridge.
W
write protect switch A switch on a
cartridge that can be set to write protected,
so that a drive can only read data from the
tape, or to write enabled, so that a drive
can read data from the tape and write data
to the tape.
Z
Z carriage The assembly that moves the
hand vertically up and down the Z column
to storage cells, drives, and the CAP.
Z column The column which rotates
around the cells within the LSM.
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