Glossary
This glossary defines the special terms used in this document.
A
array
See disk array.
B
back-end I/O module
The hardware component that controls the transfer of data between the drives and
cache. A back-end I/O module feature consists of a pair of boards.
C
controller chassis
The hardware assembly that contains the logic and processing components of the HUS
VM storage system, including the front-end directors, virtual storage directors, cache
memory, switches, and back-end directors. The HUS VM storage system can be
configured with one or two control chassis.
D
disk array
Disk array, or just array, is a complete storage system, including the control and logic
devices, drives, connecting cables, and racks.
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Glossary-1
Hitachi Unified Storage VM Block Module Hardware User Guide
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