HP V6.0 Software manual Svp

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
	copy of the volume remains constant.
snapclone	An HP EVA disk array term denoting a full copy of a volume that becomes
	immediately usable by an application. Created 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split mirror	A full copy of data that has been split off from the original and is no longer
	being updated.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 interface into the disk array, and 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 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	See “shadow copy.”
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 HWP to make copies of disk array volumes.
XP	HP StorageWorks XP Disk Array.

52 Glossary