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- Outdated ipath_ether Configuration Setup Generates Error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 vi IB6054601-00 H
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QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
Changed Intel
®
processor name.
“Hyper-Threading” on page 4-24
New section
Moved Configuring ssh and sshd Using
shosts.equiv, Configuring for ssh Using ssh-agent,
and Process Limitation with ssh sections here.
“Host Environment Setup for MPI” on page 4-25
New section “Configuring for ssh” on page 4-25
Changed first paragraph. “Configuring ssh and sshd Using shosts.equiv” on
page 4-25
Changed first paragraph. “Configuring for ssh Using ssh-agent” on
page 4-27
In the second paragraph, changed name of the file
where MaxStartups is located.
“Process Limitation with ssh” on page 4-28
Renamed Checking Software Status section.
Updated output from ipath_control and
ibstatus programs.
“Checking Cluster and Software Status” on
page 4-29
New section “ibv_devinfo” on page 4-30
New section “ipath_checkout” on page 4-30
Renamed Using the Intel Cluster Checker section. “The Intel Cluster Checker” on page 4-31
Split Using MPI chapter into two sections. Sections
have been re-organized.
“Using QLogic MPI” on page 5-1
“Using Other MPIs” on page 6-1
New section “Introduction” on page 5-1
Moved/updated paragraph about high-perfor-
mance MPIs (now in new section Other MPIs)
“PSM” on page 5-1
New section “Other MPIs” on page 5-2
Split Getting Started with MPI to subsections. “Copy Examples” on page 5-3
“Create the mpihosts File” on page 5-3
Renamed An Example C Program section.
In third paragraph, replaced PathScale compiler
with GNU gcc compiler.
Added paragraph after the second example to clar-
ify that the second example uses the same mpi-
hosts file.
Removed paragraphs about the number of pro-
cesses being greater than the number of nodes
and the number of processes exceeding the num-
ber of processors.
“Compile and Run an Example C Program” on
page 5-3