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Glossary
M
N
O
P
R
S
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Megabyte—A standard unit of measure for computer
MB
memory equal to 1,024 kilobytes. For example, 16 MB is equal to
16,384 KB.
Mean time between failures—The average time (usually
MTBF
expressed in hours) that a component works without failure.
Mean time to recovery—The average time that a device will
MTTR
take to recover from a non-terminal failure. The MTTR would
usually be part of a maintenance contract.
A 6-bin, removable, storage magazine for DLT
magazine
cartridges that fits inside the library.
The uncompressed storage capacity of a tape
Native mode
subsystem.
The OCP (operator control panel) on the front of the library
OCP
serves as the operator's interface with the library. It provides a
screen with buttons allowing the operator to change and configure
the library.
Programmable read-only memory.
PROM
Random access memory—A portion of the system's
RAM
memory that is designed as temporary storage of data and
programs.
The rear cosmetic panel of the library that contains the
rear panel
AC power switch, AC power receptacle and connectors for
attaching external cabling to the library.
The capability provided by the DLTtape drive family
Scalability
to read tapes from previous generations of drives. Allows users to
upgrade to a faster, higher capacity DLTtape drive, yet still be able
to read tape recorded on an older system. Often referred to as
backward compatibility.
Quantum|ATL PowerStor L200 Series Library User's Guide
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