HP StorageWorks XP1024 - Disk Array Owner's Manual page 117

LED
local disk
LU
LUN
LUSE
m
MB
MCU
MIX
mirroring
consistency
mm
MR
ms, msec
mutual hot standby
system
NAS
node
NVS
OFC
OLM
Glossary
Light emitting diode.
A disk in the host.
Logical unit.
Logical unit number. A LUN results from mapping a SCSI logical unit
number, port ID, and LDEV ID to a RAID group. The size of the LUN is
determined by the emulation mode of the LDEV, and the number of LDEVs
associated with the LUN. For example, a LUN associated with two OPEN-
3 LDEVs has a size of 4,693 MB.
Logical unit size expansion. See also Expanded LUN .
Meters.
Megabytes.
Main control unit.
A circuit board in the disk control unit that includes disk adapters and
channel adapters for interfacing disk drives and the host to cache memory.
The consistency (usability) of data in a volume (for example, S-VOL).
Millimeters.
Magnetoresistive.
Milliseconds.
Two servers that are poised to cover for each other if necessary.
Network attached storage.
Logically speaking, an environment where instances can be executed.
Physically, a processor, which is an element of a cluster system.
Nonvolatile storage.
Open Fibre Control.
Optical link module.
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