HP Surestore Disk Array 12h - And FC60 Advanced User's Manual page 449

created on the same disk array. A numeric value is assigned to a LUN at the time it is
created.
LVD-SCSI
Low voltage differential implementation of SCSI. Also referred to as Ultra2 SCSI.
LVM (Logical Volume Manager)
The default disk configuration strategy on HP-UX. In LVM one or more physical disk
modules are configured into volume groups that are then configured into logical
volumes.
loop address
The unique ID of a node in Fibre Channel loop topology, sometimes referred to as a
Loop ID.
Major Event Log
A more detailed logging method implemented on HP08 and later firmware. Major event
logging requires that the UTM be enabled.
MIA
Media interface adapter, a device that allows you to connect fiber optic cable to a
copper wire connector.
mirrored disks
A mirrored disk is an exact copy of another disk. Mirrored disk are used when
implementing the data redundancy technique of mirroring. See mirroring.
mirroring
A technique which creates data redundancy by maintaining a duplicate copy of all data
stored on the disk array. The mirror copy of data is available if the disk containing the
original data fails or becomes inaccessible. RAID 1 and RAID 0/1 LUNs use mirroring.
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