HP Storage Hardware Providers VDS/VSS Installation Guide (5697-1131, August 2011)

provides automatically-switched connectivity between servers and storage in the
fabric.
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 P6000 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.
SNMP Simple Network Management Protocol.
split mirror A full copy of data that has been split off from the original and is no longer being
updated.
subsystem See disk array, RAID.
SVOL Secondary volume. The volume that receives backup copies of data.
TP-VOL Thin Provisioning volume.
VDS Microsoft Virtual Disk Service, the Windows service that manages storage through
the hardware providers.
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).
volume shadow
copy
See shadow copy.
V-VOL Virtual volume.
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 an HP provider to make copies of disk array volumes.
Glossary70