HP XC System Software Hardware Preparation Guide Version 3.1

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Integrated Lights

Out

See iLO.

interconnect A hardware component that provides high-speed connectivity between the nodes in the HP

XC system. It is used for message passing and remote memory access capabilities for parallel

applications.

interconnect

module

A module in an HP BladeSystem server. The interconnect module provides the Physical I/O

ports for the server blades and can be either a switch, with connections to each of the server

blades and some number of external ports, it can be or a pass-through module, with individual

external ports for each of the server blades.

See also server blade.

interconnect

network

The private network within the HP XC system that is used primarily for user file access and

for communications within applications.

Internet address A unique 32-bit number that identifies a host's connection to an Internet network. An Internet

address is commonly represented as a network number and a host number and takes a form

similar to the following: 192.0.2.0.

IPMI Intelligent Platform Management Interface. A self-contained hardware technology available

on HP ProLiant DL145 G1 servers that enables remote management of any node within a system.

Linux Virtual

Server

See LVS.

load file A file containing the names of multiple executables that are to be launched simultaneously by

a single command.

Load Sharing

Facility

See LSF-HPC with SLURM.

local storage Storage that is available or accessible from one node in the HP XC system.

LSF execution

host

The node on which LSF runs. A user's job is submitted to the LSF execution host. Jobs are

launched from the LSF execution host and are executed on one or more compute nodes.

LSF master host The overall LSF coordinator for the system. The master load information manager (LIM) and

master batch daemon (mbatchd) run on the LSF master host. Each system has one master host

to do all job scheduling and dispatch. If the master host goes down, another LSF server in the

system becomes the master host.

LSF-HPC with

SLURM

Load Sharing Facility for High Performance Computing integrated with SLURM. The batch

system resource manager on an HP XC system that is integrated with SLURM. LSF-HPC with

SLURM places a job in a queue and allows it to run when the necessary resources become

available. LSF-HPC with SLURM manages just one resource: the total number of processors

designated for batch processing.

LSF-HPC with SLURM can also run interactive batch jobs and interactive jobs. An LSF interactive

batch job allows you to interact with the application while still taking advantage of LSF-HPC

with SLURM scheduling policies and features. An LSF-HPC with SLURM interactive job is run

without using LSF-HPC with SLURM batch processing features but is dispatched immediately

by LSF-HPC with SLURM on the LSF execution host.