Q-Logic IB6054601-00 D manuals

Q logic IB6054601-00 D User Manual (122 pages)

Brand: Q-logic | Category: Software | Size: 0.67 MB |

English

Table of contents

InfiniPath User Guide

1

Page ii IB6054601-00 D

2

IB6054601-00 D Page iii

3

Table of Contents

5

Page vi IB6054601-00 D

6

Appendix A Benchmark Programs

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Appendix C Troubleshooting

7

Page viii IB6054601-00 D

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IB6054601-00 D Page ix

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Version 2.0

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Page x IB6054601-00 D

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Introduction

11

Overview

12

Switches

12

Interoperability

12

What’s New in this Release

13

Software Components

15

■ The InfiniPath User Guide

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■ Release Notes

16

■ Quick Start Guide

16

1 – Introduction

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1-8 IB6054601-00 D

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Installed Layout

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Memory Footprint

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■ 1 adapter per node

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InfiniPath Driver Startup

23

InfiniPath Driver Filesystem

23

Subnet Management Agent

24

Layered Ethernet Driver

24

Software Status

33

Process Limitation with ssh

35

Remove Unneeded Services

35

Disable Powersaving Features

36

Balanced Processor Power

37

CPU Affinity

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Hyper-Threading

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Homogeneous Nodes

38

Customer Acceptance Utility

40

2-24 IB6054601-00 D

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Using InfiniPath MPI

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An Example C Program

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InfiniPath MPI Details

47

Compiling and Linking

49

To Use Another Compiler

50

Compiler and Linker Variables

51

Cross-compilation Issues

51

Running MPI Programs

52

The mpihosts File

53

Console I/O in MPI Programs

54

Environment for Node Programs

54

Multiprocessor Nodes

56

MPI Over uDAPL

59

MPD Description

60

Using MPD

60

File I/O in MPI

60

MPI-IO with ROMIO

61

Debugging MPI Programs

62

MPI Errors

62

Using Debuggers

62

InfiniPath MPI Limitations

63

Benchmark Programs

65

A – Benchmark Programs

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A-6 IB6054601-00 D

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A Batch Queuing Script

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Allocating Resources

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Generating the mpihosts File

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Simple Process Management

73

Troubleshooting

75

BIOS Settings

76

Incorrect MTRR Mapping

77

Software Installation Issues

79

OpenFabrics Dependencies

79

Install Warning with RHEL4U2

79

Kernel Needs CONFIG_PCI_MSI=y

82

OpenFabrics Issues

86

Broken Intermediate Link

87

Performance Issues

87

MVAPICH Performance Issues

87

Mixed Releases of MPI RPMs

87

Compiler/Linker Mismatch

89

Using MPI.mod Files

93

Extending MPI Modules

94

C.8.12.1

96

MPI Messages

98

C.8.12.3

101

MPI Stats

102

Restarting InfiniPath

103

Recommended Reading

113

Clusters

114

Glossary

115

E – Glossary

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E-2 IB6054601-00 D

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IB6054601-00 D E-3

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E-4 IB6054601-00 D

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IB6054601-00 D E-5

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E-6 IB6054601-00 D

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