IBM Ultrium Gen 6, Installation And User Manual

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means of a robotic device, a tape cartridge
from a storage slot or drive.
picker A robotic mechanism located inside the
library that moves cartridges between the
cartridge storage slots and the drive.
PM Preventive maintenance.
POR Power-on reset.
port A physical connection for communication
between the 3590 and the host processor.
The 3590 has two SCSI ports.
Portable Document Format (PDF)
A standard specified by Adobe Systems,
Incorporated, for the electronic
distribution of documents. PDF files are
compact, can be distributed globally (via
e-mail, the Web, intranets, or CD-ROM),
and can be viewed with the Acrobat
Reader, which is software from Adobe
Systems that can be downloaded at no
cost from the Adobe Systems home page.
PROM
Programmable read only memory.
PS Power supply.
PWR Power.
R
rack A unit that houses the components of a
storage subsystem, such as the library.
rackmount kit
A packaged collection of articles used to
install the rack mounted version of the
library.
RAM
Random access memory.
Random access memory
A storage device into which data is
entered and from which data is retrieved
in a nonsequential manner.
RAS Reliability, availability, and serviceability.
record A collection of related data or words,
treated as a unit.
recording density
The number of bits in a single linear track
measured per unit of length of the
recording medium.
recoverable error
An error condition that allows continued
execution of a program.
ref Reference.
reg Register.
reinventory
To inventory again.
retension
The process or function of tightening the
tape onto the cartridge, if it is sensed that
the tape has a loose wrap on the
cartridge.
robot
Picker.
robotics
Picker assembly.
RPQ Request for price quotation.
R/W Read/write.
S
s Seconds of time.
SAC Service Action Code. Code developed to
indicate possible FRU or FRU's to replace
to repair the hardware.
SAS Serial attached SCSI interface.
scratch cartridge
A data cartridge that contains no useful
data, but can be written to with new data.
SCSI Small computer system interface.
segment
A part.
sel Select.
serialize
To change from parallel-by-byte to
serial-by-bit.
serializer
A device that converts a space
distribution of simultaneous states
representing data into a corresponding
time sequence of states.
servo, servos
An adjective for use in qualifying some
part or aspect of a servomechanism.
servomechanism
A feedback control system in which at
least one of the system signals represents
mechanical motion.
Small Computer Systems Interface (SCSI)
A standard used by computer
manufacturers for attaching peripheral
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IBM Half High LTO Ultrium Gen 6 Internal SAS Tape Drive: Installation and User's Guide