HP XC System Software Hardware Preparation Guide Version 2.1

LSF master host
The overall LSF coordinator for the system. The master load information manag er (LIM) and
master batch daem on (mbatchd) run on the LSF master host. Each system has o ne master host
to do all job scheduling and dispatch. If the master host goes down, another L SF server in the
system becom es the master host.
LVS
Linux Virtual Server. Provides a centralized login capability f or system u sers. LVS handles
incoming login requ ests and directs them to a node with a login role.
M
Management Processor
See MP
master host
See LSF master host
module
A package t hat provides for the dynamic modification o f a users environment by means of
modulefiles.
See also modulefile
modulefile
Contains in for mation that alters or sets shell environment variables, such as PATH and
MANPATH. Modulefiles enable various functions to start and op erate properly.
MP
Management Processor. Controls the system console, reset, and power managem ent functio ns
on HP Integrity servers.
MPI
Message Passing Interface. A library specification for message passing, proposed as a standard
by a broadly based committee of vendors, implementors, and users.
MySQL
A relational database system developed by MySQLABthatisusedinXCsystemstostore
and track system configuration informa tio n.
N
NAT
Network A ddress Translation. A mechanism that provides a mapping (or transformation) of
addresses from one network to another. This allows external access of a machine on one LAN
that has the same IP address as a machine on another LAN, by mapping the LA N address of the
two machines to different external IP addresses.
Network Address Translation
See NAT
Network Information Services
See NIS
NIS
Network Information Services. A mechanism that allows centralization of common data that
is pertinent across multiple m achines in a network. The data is collected in a d om ain, within
which it is accessible and relevant. The most common use of NIS is to maintain user account
information across a set of networked hosts.
Glossary-4