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Cisco SFS InfiniBand Host Drivers

User Guide for Linux

Release 3.2.0

June 2007

Text Part Number: OL-12309-01

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Cisco SFS InfiniBand Host Drivers

User Guide for Linux

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iii

Cisco SFS InfiniBand Host Drivers User Guide for Linux

OL-12309-01

CONTENTS

Preface vii

Audience vii

Organization vii

Conventions viii

Root and Non-root Conventions in Examples ix

Related Documentation ix

Obtaining Documentation, Obtaining Support, and Security Guidelines ix

CHAPTER

1About Host Drivers 1-1

Introduction 1-1

Architecture 1-2

Supported Protocols 1-3

IPoIB 1-3

SRP 1-3

SDP 1-3

Supported APIs 1-4

MVAPICH MPI 1-4

uDAPL 1-4

Intel MPI 1-4

HP MPI 1-4

HCA Utilities and Diagnostics 1-4

CHAPTER

2Installing Host Drivers 2-1

Introduction 2-1

Contents of ISO Image 2-2

Installing Host Drivers from an ISO Image 2-2

Uninstalling Host Drivers from an ISO Image 2-3

CHAPTER

3IP over IB Protocol 3-1

Introduction 3-1

Manually Configuring IPoIB for Default IB Partition 3-2

Contents

Cisco SFS InfiniBand Host Drivers User Guide for Linux

OL-12309-01

Subinterfaces 3-2

Creating a Subinterface Associated with a Specific IB Partition 3-3

Removing a Subinterface Associated with a Specific IB Partition 3-4

Verifying IPoIB Functionality 3-5

IPoIB Performance 3-6

Sample Startup Configuration File 3-8

IPoIB High Availability 3-8

Merging Physical Ports 3-8

Unmerging Physical Ports 3-9

CHAPTER

4SCSI RDMA Protocol 4-1

Introduction 4-1

Configuring SRP 4-1

Configuring ITLs when Using Fibre Channel Gateway 4-2

Configuring ITLs with Element Manager while No Global Policy Restrictions Apply 4-2

Configuring ITLs with Element Manager while Global Policy Restrictions Apply 4-4

Configuring SRP Host 4-6

Verifying SRP 4-7

Verifying SRP Functionality 4-7

Verifying with Element Manager 4-8

CHAPTER

5Sockets Direct Protocol 5-1

Introduction 5-1

Configuring IPoIB Interfaces 5-1

Converting Sockets-Based Application 5-2

Explicit/Source Code Conversion Type 5-2

Automatic Conversion Type 5-2

Log Statement 5-3

Match Statement 5-3

SDP Performance 5-4

Netperf Server with IPoIB and SDP 5-6

CHAPTER

6uDAPL 6-1

Introduction 6-1

uDAPL Test Performance 6-1

uDAPL Throughput Test Performance 6-2

uDAPL Latency Test Performance 6-3

Compiling uDAPL Programs 6-4

Contents

Cisco SFS InfiniBand Host Drivers User Guide for Linux

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CHAPTER

7MVAPICH MPI 7-1

Introduction 7-1

Initial Setup 7-2

Configuring SSH 7-2

Editing Environment Variables 7-5

Setting Environment Variables in System-Wide Startup Files 7-6

Editing Environment Variables in the Users Shell Startup Files 7-6

Editing Environment Variables Manually 7-7

MPI Bandwidth Test Performance 7-7

MPI Latency Test Performance 7-8

Intel MPI Benchmarks (IMB) Test Performance 7-9

Compiling MPI Programs 7-12

CHAPTER

8HCA Utilities and Diagnostics 8-1

Introduction 8-1

hca_self_test Utility 8-1

tvflash Utility 8-3

Viewing Card Type and Firmware Version 8-3

Upgrading Firmware 8-4

Diagnostics 8-5

APPENDIX

AAcronyms and Abbreviations A-1

NDEX

Contents

Cisco SFS InfiniBand Host Drivers User Guide for Linux

OL-12309-01

vii

Cisco SFS InfiniBand Host Drivers User Guide for Linux

OL-12309-01

Preface

This preface describes who should read the Cisco SFS InfiniBand Host Drivers User Guide for Linux,

how it is organized, and its document conventions. It includes the following sections:

•Audience, page vii

•Organization, page vii

•Conventions, page viii

•Root and Non-root Conventions in Examples, page ix

•Related Documentation, page ix

•Obtaining Documentation, Obtaining Support, and Security Guidelines, page ix

Audience

The intended audience is the administrator responsible for installing, configuring, and managing host

drivers and host card adapters. This administrator should have experience administering similar

networking or storage equipment.

Organization

This publication is organized as follows:

Chapter Title Description

Chapter 1 About Host Drivers Describes the Cisco commercial host driver.

Chapter 2 Installing Host Drivers Describes the installation of host drivers.

Chapter 3 IP over IB Protocol Describes how to configure IPoIB to run IP

traffic over an IB network.

Chapter 4 SCSI RDMA Protocol Describes how to configure SRP.

Chapter 5 Sockets Direct Protocol Describes how to configure and run SDP.

Chapter 6 uDAPL Describes how to build and configure

uDAPL.

Chapter 7 MVAPICH MPI Describes the setup and configuration

information for MVAPICH MPI.

viii

Cisco SFS InfiniBand Host Drivers User Guide for Linux

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Preface

Conventions

This document uses the following conventions:

Chapter 8 HCA Utilities and Diagnostics Describes the fundamental HCA utilities

and diagnostics.

Appendix A Acronyms and Abbreviations Defines the acronyms and abbreviations

that are used in this publication.

Chapter Title Description

Convention Description

boldface font Commands, command options, and keywords are in

boldface. Bold text indicates Chassis Manager elements or

text that you must enter as-is.

italic font Arguments in commands for which you supply values are in

italics. Italics not used in commands indicate emphasis.

Menu1 > Menu2 >

Item…

Series indicate a pop-up menu sequence to open a form or

execute a desired function.

[ ] Elements in square brackets are optional.

{ x | y | z } Alternative keywords are grouped in braces and separated by

vertical bars. Braces can also be used to group keywords

and/or arguments; for example, {interface interface type}.

[ x | y | z ] Optional alternative keywords are grouped in brackets and

separated by vertical bars.

string A nonquoted set of characters. Do not use quotation marks

around the string or the string will include the quotation

marks.

screen font Terminal sessions and information the system displays are in

screen font.

boldface screen

font

Information you must enter is in boldface screen font.

italic screen font Arguments for which you supply values are in italic

screen font.

^ The symbol ^ represents the key labeled Control—for

example, the key combination ^D in a screen display means

hold down the Control key while you press the D key.

< > Nonprinting characters, such as passwords are in angle

brackets.

!, # An exclamation point (!) or a pound sign (#) at the beginning

of a line of code indicates a comment line.

Cisco SFS InfiniBand Host Drivers User Guide for Linux

OL-12309-01

Preface

Root and Non-root Conventions in Examples

Notes use the following convention:

Note Means reader take note. Notes contain helpful suggestions or references to material not covered in the

manual.

Cautions use the following convention:

Caution Means reader be careful. In this situation, you might do something that could result in equipment

damage or loss of data.

Root and Non-root Conventions in Examples

This document uses the following conventions to signify root and non-root accounts:

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