HP XP20000XP24000 Disk Array - Manual (Page 33)

A Glossary, Acronyms, and
Abbreviations
Table 5 Glossary, Acronyms, and Abbreviations
Cache extents Areas used for Cache Residency Manager
CU control unit
Custom access
A feature that allows a non-administrator to be assigned update access to
one or more of the restricted Remote Console functions
DASD direct access storage device
DKCMAIN disk controller main
ESCON Enterprise System Connection
FD floppy disk
FD Copy floppy disk copy
Cache Residency Manager dynamic cache residency
GB gigabyte
KB kilobyte
LAN local-area network
LBA logical block address
LDEV logical device
LU logical unit
LUN logical unit number
LUN Manager Remote Console software option
LUSE Logical Unit Size Expansion
LVI logical volume image (also called device emulation)
MB megabyte
MIB message information block
Parity group
A set of hard disk drives that have the same capacity and are treated as
one group. A parity group contains both user data and parity information,
which allows the user data to be accessed in the event that one or more
of the drives within the group are not available.
RMCMAIN remote console main software
R-SIM remote service information message.
SCSI small computer system interface
ShadowImage
HP Multi-RAID Coupling Feature and/or HP Open Multi-RAID Coupling
Feature.
SIM
service information message (generated by a disk controller when it
detects an error or service requirement)
XP24000 LUN Expansion User's Guide 33