HP StorageWorks EVA Hardware Providers administration guide Windows 2003 (T1634-96054, August 2006)

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

orig inal volume continues to change as the process continues, but the shadow

copyofthevolumeremainsconstant.

snapclone An HP EVA disk a rray term denoting a full copy of a volume that b ecomes

immediately usable by an application. Created much faster than ordinary

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

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 interface into the disk array, and is used by the HP ser vice

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 blocks. Volume

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

or mount point).

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 S hadow Copy Service, the Windows service that creates data

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

XP HP StorageWorks XP Disk Array.

Glossary