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Glossary 41
IP address
Internet Protocol address. An address assigned to a network interface card, which
computer entities use to locate and communicate with each other. IP addresses
can be statically or dynamically assigned.
logical unit
Commonly called a LUN (which is the acronym for logical unit number). A
physical or virtual device addressable through a target ID number. Logical units
use the target bus connection to communicate on the SCSI bus. The host sees a
virtual disk as a logical unit.
logical unit number
1. A value that identifies a specific logical unit belonging to a SCSI target ID
number. LUN is commonly used in reference to a logical unit.
2. A number associated with a physical device unit during the I/O operations of
a task. Each task in the system must establish its own correspondence
between logical unit numbers and physical devices.
Microsoft Cluster Server/Service
The software needed for clustering servers.
MSAFlash utility
An HP utility that can be used to upgrade the firmware of the MSA1000,
environmental monitoring unit, and the MSA Fabric Switch 6.
network interface controller
A board that enables a computer to be connected to a network and that works
with the network operating system to control the flow of information over the
network.
node
An individual server in a cluster.