HP StorageWorks XP Remote Web Console Software - Manual (Page 159)

Glossary
C
CCHH Cylinder, cylinder, head, head.
CTG Consistency group.
CU Control unit.
CVS Custom volume size.
D
DASD Direct-access storage device.
DFW DASD fast write.
DKA Disk adapter.
DKC Disk controller.
E
ECC Error check and correct.
ELB Extended long busy.
ESCON Enterprise systems connection An optical interface used to connect the mainframe to the control
unit; a predecessor to FICON.
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.
LPAR Logical partition. A virtual server that can share resources.
LVI Logical volume or image (for example, 3390-3R).
M
M-VOL Main volume.
MIH Missing interrupt handler.
MRCF Multi-RAID coupling feature.
N
NVS Nonvolatile storage.
P
P-VOL Primary volume.
PDEV Physical device.
PTF Program temporary fix.
R
R-SIM Remote service information message.
R-VOL Remote volume.
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