Product specifications
Table Of Contents
- Table of Contents
- 1 Introduction
- 2 Feature Overview
- 3 Step-by-Step Cluster Setup and MPI Usage Checklists
- 4 InfiniPath Cluster Setup and Administration
- Introduction
- Installed Layout
- Memory Footprint
- BIOS Settings
- InfiniPath and OpenFabrics Driver Overview
- OpenFabrics Drivers and Services Configuration and Startup
- Other Configuration: Changing the MTU Size
- Managing the InfiniPath Driver
- More Information on Configuring and Loading Drivers
- Performance Settings and Management Tips
- Host Environment Setup for MPI
- Checking Cluster and Software Status
- 5 Using QLogic MPI
- Introduction
- Getting Started with MPI
- QLogic MPI Details
- Use Wrapper Scripts for Compiling and Linking
- Configuring MPI Programs for QLogic MPI
- To Use Another Compiler
- Process Allocation
- mpihosts File Details
- Using mpirun
- Console I/O in MPI Programs
- Environment for Node Programs
- Environment Variables
- Running Multiple Versions of InfiniPath or MPI
- Job Blocking in Case of Temporary InfiniBand Link Failures
- Performance Tuning
- MPD
- QLogic MPI and Hybrid MPI/OpenMP Applications
- Debugging MPI Programs
- QLogic MPI Limitations
- 6 Using Other MPIs
- A mpirun Options Summary
- B Benchmark Programs
- C Integration with a Batch Queuing System
- D Troubleshooting
- Using LEDs to Check the State of the Adapter
- BIOS Settings
- Kernel and Initialization Issues
- OpenFabrics and InfiniPath Issues
- Stop OpenSM Before Stopping/Restarting InfiniPath
- Manual Shutdown or Restart May Hang if NFS in Use
- Load and Configure IPoIB Before Loading SDP
- Set $IBPATH for OpenFabrics Scripts
- ifconfig Does Not Display Hardware Address Properly on RHEL4
- SDP Module Not Loading
- ibsrpdm Command Hangs when Two Host Channel Adapters are Installed but Only Unit 1 is Connected to the Switch
- Outdated ipath_ether Configuration Setup Generates Error
- System Administration Troubleshooting
- Performance Issues
- QLogic MPI Troubleshooting
- Mixed Releases of MPI RPMs
- Missing mpirun Executable
- Resolving Hostname with Multi-Homed Head Node
- Cross-Compilation Issues
- Compiler/Linker Mismatch
- Compiler Cannot Find Include, Module, or Library Files
- Problem with Shell Special Characters and Wrapper Scripts
- Run Time Errors with Different MPI Implementations
- Process Limitation with ssh
- Number of Processes Exceeds ulimit for Number of Open Files
- Using MPI.mod Files
- Extending MPI Modules
- Lock Enough Memory on Nodes When Using a Batch Queuing System
- Error Creating Shared Memory Object
- gdb Gets SIG32 Signal Under mpirun -debug with the PSM Receive Progress Thread Enabled
- General Error Messages
- Error Messages Generated by mpirun
- MPI Stats
- E Write Combining
- F Useful Programs and Files
- G Recommended Reading
- Glossary
- Index

Page ii IB6054601-00 H
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QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
Information furnished in this manual is believed to be accurate and reliable. However, QLogic Corporation assumes no
responsibility for its use, nor for any infringements of patents or other rights of third parties which may result from its
use. QLogic Corporation reserves the right to change product specifications at any time without notice. Applications
described in this document for any of these products are for illustrative purposes only. QLogic Corporation makes no
representation nor warranty that such applications are suitable for the specified use without further testing or
modification. QLogic Corporation assumes no responsibility for any errors that may appear in this document.
No part of this document may be copied nor reproduced by any means, nor translated nor transmitted to any magnetic
medium without the express written consent of QLogic Corporation. In accordance with the terms of their valid QLogic
agreements, customers are permitted to make electronic and paper copies of this document for their own exclusive
use.
The QHT7040, QHT7140, QLE7140, QLE7240, and QLE7280 QLogic Host Channel Adapters are covered by the
following patent: 7308535.
Document Revision History
Rev. 1.0, 8/20/2005
Rev. 1.1, 11/15/05
Rev. 1.2, 02/15/06
Rev. 1.3 Beta 1, 4/15/06
Rev. 1.3, 6/15/06
Rev. 2.0 Beta, 9/25/06, QLogic Rev IB6054601 A
Rev. 2.0 Beta 2, 10/15/06, QLogic Rev IB6054601 B
Rev. 2.0, 11/30/06, QLogic Rev IB6054601 C
Rev. 2.0, 3/23/07, QLogic Rev IB6054601 D
Rev. 2.1, 8/24/07, QLogic Rev IB6054601 E
Rev. 2.2, 5/27/08, QLogic Rev IB6054601 F
Rev. 2.2, 9/5/08, QLogic Rev IB6054601 G
Rev. QLogic OFED 1.4, 4/30/09, QLogic Rev IB6054601 H
Changes Sections Affected
Product name changed from InfiniPath
®
to QLogic
OFED. Version number changed to 1.4. Instances
of InfiniPath changed where appropriate; some
filenames and output messages still have the old
name.
All
Removed references to ipath_ether, now obso-
lete.
All
Noted that QLogic provides a host-based subnet
manager.
“Overview” on page 1-2