HP StorageWorks XP24000/XP20000 Thin Provisioning Software User Guide (T5227-96015, May 2011)

Glossary
C
CLPR Cache logical partition.
CU Control unit.
CV Custom-sized volume.
CYL Cylinder.
D
DKA Disk adapter.
DKC Disk controller.
DKCMAIN Disk controller main.
G
G-ID Host group ID.
L
LD, LDEV Logical device. An LDEV is created when a RAID group is carved into pieces according to the
selected host emulation mode (that is, OPEN-3, OPEN-8, OPEN-9). The number of resulting LDEVs
depends on the selected emulation mode. The term LDEV is also known as term volume.
LDKC Logical disk controller.
LUN Logical unit number.
LUSE Logical Unit Size Expansion. The LUSE feature is available when the HP StorageWorks LUN
Manager product is installed, and allows a LUN, normally associated with only a single LDEV,
to be associated with 1 to 36 LDEVs. Essentially, LUSE makes it possible for applications to access
a single large pool of storage.
M
Mng. Management.
P
P-VOL Primary volume.
PDEV Physical device.
Pool-VOL Pool volume.
S
S-VOL Secondary or remote volume. The copy volume that receives the data from the primary volume.
SI Hitachi ShadowImage. Also known as HP StorageWorks XP Business Copy.
SIM Service information message.
SLPR Storage logical partition.
SM Shared memory.
SMPL Simplex.
SSID Subsystem identifier; storage system identifier.
SVP Service processor. A computer built into a disk array. The SVP, used only by an HP service
representative, provides a direct interface to the disk array.
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