HP StorageWorks XP24000/XP20000 SNMP Agent Reference Guide (AE131-96088, May 2011)

Glossary
A
ADP ADaPter. Hardware that connects the LCM to the CHA physically and logically.
C
CAC Common access card.
CHA Channel adapter.
CU Control unit.
D
DASD Direct-access storage device.
DFW DASD fast write.
DKC Disk controller.
DKU Disk unit.
DRV Driver.
F
FCA Fibre Channel adapter.
FD Floppy disk.
H
HDD Hard disk drive.
HTP Hyper Transfer Program.
L
LCM Link Control Module.
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.
M
M-VOL Main volume.
MCU Main control unit.
MIB Management Information Base.
P
PCB Printed circuit board.
PDU Protocol Data Unit.
PPRC Peer-to-Peer Remote Copy.
R
R-SIM Remote service information message.
R-VOL Remote volume.
RCHA RAID Channel Adapter.
RCU Remote control unit.
44 Glossary