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- Outdated ipath_ether Configuration Setup Generates Error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 iv IB6054601-00 H
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QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
Deleted reference to MTRR BIOS setting.
Deleted paragraph about BIOS Setup utility.
Added a NOTE about the Page Attribute Table
(PAT) mechanism.
“BIOS Settings” on page 4-5
Rearranged driver configuration information to
match QLogic HCA and QLogic OFED Software
Install Guide.
“InfiniPath and OpenFabrics Driver Overview” on
page 4-5
“OpenFabrics Drivers and Services Configuration
and Startup” on page 4-6
“Configuring the IPoIB Network Interface” on
page 4-6
“Managing the InfiniPath Driver” on page 4-19
Updated section “InfiniPath and OpenFabrics Driver Overview” on
page 4-5
Consolidated section into an introduction; removed
configuration information and the note stating that
the following instructions work for all distributions.
“OpenFabrics Drivers and Services Configuration
and Startup” on page 4-6
Added a last step to restart.
Updated the NOTE about setting datagram mode.
“Configuring the IPoIB Network Interface” on
page 4-6
In the first paragraph, updated information about
where the package can be installed/enabled, and
when OpenSM is not needed.
Added second paragraph about the Installer tool.
Added third paragraph about rpm install with
OpenSM.
Added last paragraph about where to find more
information about OpenSM.
“OpenSM” on page 4-7
Updated the second paragraph to list with which
OCS downloads SRP is available.
“SRP” on page 4-8
New section “Using QLogic SRP” on page 4-9
Added second, third, and fourth paragraphs to dis-
cuss the VNIC driver and the virtual Ethernet inter-
face.
Updated the output for the
ib_qlgc_vnic_query command in Step 1.
Added that the command in Step 5 must be done
as a root user.
“Configuring and Administering the VNIC Inter-
face” on page 4-11