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IB6054601-00 D 2-1
Section 2
InfiniPath Cluster Administration
This chapter describes what the cluster administrator needs to know about the
InfiniPath software and system administration.
2.1
Introduction
The InfiniPath driver ib_ipath, layered Ethernet driver ipath_ether, OpenSM,
and other modules and the protocol and MPI support libraries are the components
of the InfiniPath software providing the foundation that supports the MPI
implementation.
Figure 2-1, below, shows these relationships.
Figure 2-1. InfiniPath Software Structure
2.2
Installed Layout
The InfiniPath software is supplied as a set of RPM files, described in detail in the
InfiniPath Install Guide. This section describes the directory structure that the
installation leaves on each node’s file system.
The InfiniPath shared libraries are installed in:
/usr/lib for 32-bit applications
/usr/lib64 for 64-bit applications
MPI Application
InfiniPath MPI
InfiniPath Channel (ADI Layer)
InfiniPath Protocol Library
InfiniPath Hardware
InfiniPath driver ib_ipath
Linux Kernel
TCP/IP
ipath_ether
OpenSM
IPoIB
OpenFabrics com ponents