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- Outdated ipath_ether Configuration Setup Generates Error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 xii IB6054601-00 H
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QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
Updated output file name and example contents.
Removed NOTE information about QHT7040, as it
is obsolete.
Corrected definition: boardversion reports ver-
sion of the chip architecture, not installed software.
“boardversion” on page F-15
Change location/name of file. Remove sentence
about subdirectories.
“status_str” on page F-15
Changed location/name of the file. Updated file
contents examples.
“version” on page F-17
Expanded description for /etc/infini-
band/qlgc_vnic.cfg.
In the descriptions of the /etc/modprov.conf
and /etc/modprobe.conf/local files, added
that is where PAT and write combining options are
set.
Changed the name of the /etc/syscon-
fig/infinipath file to /etc/infini-
band/openib.conf.
/etc/sysconfig/infinipath now contains
settings (it is no longer the primary configuration
file).
Changed the descriptions of how the following files
are used:
/etc/sysconfig/net
work/ifcfg-<NAME>
/etc/sysconfig/net
work-scripts/ifcfg-<NAME>
Removed the following files:
/etc/sysconfig/hardware/hwcf
geth-id-$MAC
/etc/sysconfig/ics_inic.cfg
Changed the name of the qlgcvnic-
tools/qlgc_vnic.cfg file to
qlgc_vnic.cfg.sample. Expanded file descrip-
tion.
In the description of the
/usr/share/doc/initscripts-*/
sysconfig.txt file, added that it applies to
Red Hat systems.
Table F-7 on page F-17
Changed HCA to host channel adapter “host channel adapter” on page Glossary-2
Added Glossary entry for PAT. “PAT” on page Glossary-4
Changed TCA to target channel adapter “target channel adapter” on page Glossary-5