HP Modular Smart Array FC VDS Hardware Provider administration guide (T1634-96072, May 2006)

shadow copy A Microsoft term describing a point-in-time copy of an original volume. The

original volume continues to change as the process continues, but the shadow

copyofthevolumeremainsconstant.

snapclone An HP EVA disk a rray term denoting a full co py of a volume that becomes

immediately usable by an application. C reated much faster than ordinary

clones by taking a snapshot and updating to a full copy in the background.

snapshot A generic term meaning a static point-in-time copy of a volume, typically used

for backup.

split mirror A full copy of data that has been split off from the original and is no longer

being updated.

subsystem Synonym for “ disk array” or “RAID. ”

SVP Service processor. A laptop PC built into the HP XP Disk Array. The SVP

provides a direct i nterface into the disk array, a nd is used by the HP service

representative only.

volume Generic term for a number of physical disks or portions of disks logically

bound together as a virtual disk containing contiguous logical b locks. Volume

can also be software shor thand for a mapped volume (Windows drive letter

or mount p oint).

VDS Microsoft Virtual Disk Service, the Windows service that manages storage

through hardware providers.

volume shadow

copy

See “shadow copy.”

VSC Volume Size Conﬁguration, a feature of HP disk arrays that allows creation of

logical volumes custom-sized according to user requirements.

VSS Microsoft Volume Shadow Copy Service, the Windows service that creates data

copies. Works through HP Provider to make copies of disk array volumes.

XP HP StorageWorks XP Disk Array.

Glossary