HP 201723-B21 - StorageWorks Modular SAN Array 1000 Hard Drive Administration Manual page 38

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split mirror A full copy of data that has been split off from the original and is no longer
being updated.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 Provider to make copies of disk array volumes.
XP HP StorageWorks XP Disk Array.
38
Glossary