Hitachi Universal Storage Platform VM - Manual (Page 95)

Acronyms and Abbreviations Acronyms-3
Hitachi Universal Storage Platform V/VM User and Reference Guide
HCD hardware configuration definition
HDD hard disk drive
HDLM Hitachi Dynamic Link Manager
HDS Hitachi Data Systems
HDU hard disk unit
HGLM Hitachi Global Link Manager
Hi-Star Hierarchical Star Network
HPF High Performance FICON
HSN Hierarchical Star Network
HWM high-water mark
Hz Hertz
ICKDSF A DSF command used to perform media maintenance
IDCAMS access method services (a component of Data Facility Product)
IML initial microprogram load
in. inch(es)
IO, I/O input/output (operation or device)
IOCP input/output configuration program
I-site intermediate site (Universal Replicator 3DC cascading configuration)
JCL job control language
JNL journal
JNLG journal
group
KB kilobyte (see Convention for Storage Capacity Values )
kcal kilocalorie
kg kilogram
km kilometer
kVA kilovolt-ampere
kW kilowatt
LAN local area network
lb pound
LD logical device
LDEV logical device
LED light-emitting diode
LPAR logical partition
LCP link control processor, local control port
LRU least recently used
LU logical unit
LUN logical unit number, logical unit
LVI logical volume image
LVM logical volume manager, Logical Volume Manager
LW long wavelength
m meter
MB megabyte (see Convention for Storage Capacity Values )
MIH missing interrupt handler
mm millimeter
MP microprocessor
MPLF Multi-Path Locking Facility
MR magnetoresistive
ms, msec millisecond
MVS Multiple Virtual Storage (including MVS/ESA, MVS/XA)