Hitachi Unified Storage VM User Manual

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Glossary–1
Hitachi Unified Storage VM Product Overview Guide
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. A back-end I/O module is also referred to as a disk adapter
(DKA).
C
CHA
See channel adapter.
controller chassis
The hardware assembly that contains the logic and processing
components of the Unified Storage VM storage system, including the
front-end directors, virtual storage directors, cache memory, switches,
and back-end directors. The Unified Storage VM storage system can be
configured with one or two control chassis.

Hitachi Unified Storage VM Specifications

General

Brand	Hitachi
Model	Unified Storage VM
Category	Storage
Language	English