HP Surestore Disk Array 12h - And FC60 Service Manual page 399

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.
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.
NVSRAM
The disk array controller stores operating configuration information in this non-volatile
SRAM (referred to as NVSRAM). The contents of NVSRAM can only be accessed or
changed using special diagnostic tools.
path
See primary disk array path or primary path.
399