Abbreviations

AFS
Andrew File System
AG
Allocation Group
CCW
Continuous Composite Write
CD
Compact Disc
CD-ROM
Compact Disc Read Only Memory
DASD
Direct Access Storage Device
GB
Gigabytes
IBM
International Business Machines Corporation
IDRC
Improved Data Recording Capability
I/O
Input/Output
ITSO
International Technical Support Organization
JFS
Journaled File System
KB
Kilobytes
LP
Logical Partition
LV
Logical Volume
LVDD
Logical Volume Device Driver
LVID
Logical Volume Identifier
LVM
Logical Volume Manager
LPP
Licensed Program Product
LZ
Lempel Zev
MWC
Mirror Write Consistency
MTBF
Mean Time Between Failure
NBPI
Number of Bytes per I-node
NIC
Numerically Intensive Computing
NFS
Network File System
OEMI
Other Equipment Manufacturer Interface
OLTP
On Line Transaction Program
PP
Physical Partition
PPM
Pulse Position Modulation
PWM
Pulse Width Modulation
PV
Physical Volume
PVID
Physical Volume Identifier
RAID
Redundant Array of Independent Disks
RAM
Random Access Memory
ROM
Read Only Memory
SCSI
Small Computer System Interface
SSA
Serial Storage Architecture
TCP/IP
Transmission Control Protocol/Internet Protocol
VG
Volume Group
VGDA
Volume Group Descriptor Area
VGID
Volume Group Identifier
VGSA
Volume Group Status Area
VMM
Virtual Memory Manager
WORM
Write Once Read Many