Hitachi Virtual Storage Platform User Manual

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Glossary–3
Hitachi VSP User and Reference Guide
flash module
A flash module (FMD) is a Hitachi custom-designed and manufactured
enterprise class solid state storage module. It uses a high performance,
custom ASIC flash controller and standard flash memory chips in an
implementation that exceeds the performance of expensive SLC SSDs,
but costs less than less expensive MLC SSDs.
free capacity
The amount of storage space (in bytes) that is available for use by the
host systems.
front-end director (FED)
The hardware component that processes channel commands from hosts
and manages host access to cache.
G
GLPR
global logical partition
J
JRE
Java Runtime Environment
JVM
Java Virtual Machine
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kVA
kilovolt-ampere
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LDEV
logical device
license key
A specific set of characters that unlocks an application and allows it to
be used.

Hitachi Virtual Storage Platform Specifications

General

Drive Types	SSD, SAS
RAID Support	RAID 1, RAID 5, RAID 6, RAID 10
Connectivity	Fibre Channel, iSCSI, FCoE
Form Factor	Rack-mounted
Category	Enterprise Storage System
Data Reduction	Deduplication and Compression (capabilities vary by model and software version)
Operating System Compatibility	Windows, Linux, UNIX, VMware
High Availability	Redundant components
Scalability	Scale-up and scale-out
Model	Virtual Storage Platform (VSP)