HP Fast Recovery Solution XP SW manual Split mirror, Subsystem, Volume shadow copy

split mirror	A full copy of data that has been split off from the original and is no longer
	being updated.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.”
S-VOL	Secondary volume. The volume that receives copies of data.
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 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 HWP to make copies of disk array volumes.

84 HP StorageWorks EVA Fast Recovery Solution for Windows Server 2003: Administration Guide