LSF master host
The overall LSF coordinator for the system. The master load information manager (LIM) and
master batch daemon (mbatchd) run on th e L SF master host. Each system has one m aster host
to do all job scheduling and dispatch. If the master host goes down, a nother LSF server in the
system becomes the master host.
LVS
Linux Virtual Server. Provides a centralized login capability for system users. LVS handles
incoming login requests and directs them to a node with a login role.
M
Management Processor
See MP
master host
See LSF master host
module
A package that provides for the dynamic modification of a user’s environment by means of
modulefiles.
See also modulefile
modulefile
Contains infor mation that alters or sets shell envir onment variables, such as PATH and
MANPATH. M odulefiles enable various functions to start and operate properly.
MP
Management Processor. Controls the system console, reset, and power management functions
on HP Integrity rx2600 servers.
MPI
Message Passing Interface. A l ibrary 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 information.
N
NAT
Network Address Translation. A mechanism that provides a m apping (or transform ation) of
addresses from o ne 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 com mon data that
is pertinent across multiple machines in a network. The data is collected in a domain, within
which it is accessible and relevant. The most common use of N IS is to maintain user account
information across a set of networked hosts.
Glossary-4
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