Glossary

This glossary defines acronyms and terms used in this guide or related to this product and is not a comprehensive glossary of computer terms.

API

Application Programming Interface, an interface that allows a software

 

application to connect to and work with a third party software application.

clone

A full copy of a volume, usable by an application.

CV

HP StorageWorks CommandView, a browser-based interface that allows

 

management of an HP disk array.

differential copy

A copy of a database consisting only of the differences in the database since

 

the last full copy.

disk array

A RAID. A collection of disk drives within a cabinet or multiple cabinets and

 

including a controller and software allowing drives to be ganged together in

 

various configurations to create virtual drives (LUNs).

EVA

HP StorageWorks Enterprise Virtual Array.

FC

Fibre Channel, a fiber optic interconnection standard commonly used for

 

storage area networks.

GUI

Graphical User Interface.

HBA

Host bus adapter. The FC interface card that installs in a host to connect the

 

host to a fabric SAN.

HWP

Hardware Providers. A collection of software that executes on the host, a bus

 

adapter, and the disk array to enable managing and/or copying of array LUNs

 

through the Windows OS and applications.

LAN

Local Area Network.

LUN

Logical Unit Number. A physically addressable storage unit as surfaced by a

 

hardware RAID subsystem. A virtual disk, consisting of multiple portions of

 

physical disks addressed as a single unit.

mirror

Synonymous with “clone.”

MSA

HP StorageWorks Modular Smart Array.

plex

A Microsoft term denoting a full copy of data that has been split off from the

 

original and is no longer being updated. Synonymous with “split mirror.”

PVOL

Primary volume. Typically the volume where application data is stored.

RAID

Redundant array of independent disks.

SVOL

Secondary volume. The volume that receives backup copies of data.

SAN fabric

The Fibre Channel hardware and cabling that connects servers to storage

 

devices in a Storage Area Network (SAN) is referred to as a “fabric.” A fabric

 

switch provides automatically-switched connectivity between servers and storage

 

in the fabric.

SNMP

Simple Network Management Protocol.

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