HP XC System Software Installation Guide Version 2.1

Glossary
A
Administrati
ve Network
The private network wi thin the XC system th at is used for administrative o per a tio ns.
admin branch
The half (branch) of the Administrative Network that co ntains all of the general-purpose admin
ports to t he nodes of the XC system.
B
base image
The collection of files and directories that represents the comm on files and con figuratio n data
thatareappliedtoallnodesinanXCsystem.
branch switch
A component of the A dministrative N etwork. A switch tha t is uplinked to the root switch and
receives physical connections from multiple nodes.
C
cluster
A set of independent computers combined into a unified system through system software and
networking technologies.
cluster alias
The external cluster host name supported by LVS, wh ich enab les inboun d connections without
having to know individual nodes names to connect and log in to the XC system.
Console Branch
A component of the Administr ative Network. The half (branch) of the Admini s trat ive Network
that co ntains all of the console ports of the n odes of the XC system. This branch is established
as a separate branch to enable some level of partit ioning of the Administrative Network to
support specific security needs.
D
DHCP
Dynamic Host Control Protocol. A protocol that dynamically allocates IP addresses to
computers o n a local area network.
Dynamic Host Control Protocol
See DHCP
E
EFI
Extensible Firmware Interface. Defines a m odel for the interface between operating systems
and Itanium-based platform firmware. The interface consists of data tables that contain
platform-related inform ation, plus boot and run-time service calls that are available to the
operating system and its loader. Together, these provide a standard env ironment for booting an
operating system and running preboo t application s .
Glossary-1