HP (Hewlett-Packard) XP1024 Network Router User Manual


 
114 HP StorageWorks Disk Arrays XP128/XP1024: Owner’s Guide
LRU Least recently used.
LU Logical unit.
LUN 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.
LUSE Logical unit size expansion.
LVI Logical volume image.
LVM Logical Volume Manager.
LVM mirror A disk duplicating function provided by Logical Volume Manager (LVM)
(capable of triplicating disks).
m Meters.
MB Megabytes.
MCU Main control unit.
mirroring
consistency
The consistency (usability) of data in a volume (for example, S-VOL).
mm Millimeters.
MP Microprocessor.
MPLF Multipath Locking Facility.
MR Magnetoresistive.
ms, msec Milliseconds.
mutual hot standby
system
Two servers that are poised to cover for each other if necessary.
MVS Multiple Virtual Storage (including MVS/370, MVS/ESA, MVS/XA).
NHAS Novell High Availability Server.