HP StorageWorks XP Remote Web Console Software - Manual (Page 259)

H
HD Head.
HWM High water mark.
I
ICKDSF A DSF program used to perform media maintenance.
IDCAMS access method services (a component of Data Facility Product)
IML Initial microcode load.
IMPL Initial microprogram load.
IMS Information management system.
IOCDS I/O control data set. A mainframe definition of information related to I/O and peripheral devices.
IPL Initial program load.
J
JCL Job Control Language.
L
LCU Logical control unit.
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.
LVI Logical volume or image (for example, 3390-3R).
M
M-VOL Main volume.
MCU Main control unit.
MIH Missing interrupt handler.
MPSD Multiple path storage director.
ms, msec Millisecond.
MVS Multiple virtual storage.
N
NVS Nonvolatile storage.
P
P/DAS PPRC dynamic address switching.
PB Petabyte; equals 1,000^5 bytes (for physical storage such as hard disk drives) or 1,024 TB or
1,024^5 bytes (for logical storage).
PiT Point-in-time.
PPRC Peer-to-peer remote copy.
PTF program temporary fix
R
R-VOL Remote volume.
RAID1/5 Specific RAID architectures.
RC Reference code.
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