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- Outdated ipath_ether Configuration Setup Generates Error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
QLogic Host Channel Adapter and QLogic OFED Software Users Guide
QLogic OFED Version 1.4
IB6054601-00 H Page iii
S
In the second bullet, removed references to Ether-
net emulation stacks and TCP (related to
now-obsolete ipath_ether). Added that Infini-
path uses a protocol that is optimized for MPI over
Verbs.
“Interoperability” on page 1-3
Changed the definition of #. Table 1-1 on page 1-4
Updated list of product documentation. “Documentation” on page 1-5
Updated contact information. “Contact Information” on page 1-5
Combined What’s New in This Release and New
Features sections (now called Features). Updated
section with current release and feature informa-
tion.
Added Other Changes section.
Added Continued Support section (information
moved/added from What’s New in This Release
and New Features sections).
“Features” on page 2-1
“Other Changes” on page 2-2
“Continued Support” on page 2-2
Updated supported distributions information. “Supported Distributions and Kernels” on page 2-4
Updated compiler support information. “Compiler Support” on page 2-5
Updated software components information. “Software Components” on page 2-5
Added setup checklist. “Step-by-Step Cluster Setup and MPI Usage
Checklists” on page 3-1
Renamed InfiniPath Cluster Administration sec-
tion.
“InfiniPath Cluster Setup and Administration” on
page 4-1
Added NOTE about installing MPI in an alternate
location.
Added sentence stating that license information is
found only in usr/share/doc/infinipath.
Noted that there is no longer documentation in this
file; documentation can be downloaded from the
QLogic web site.
Location of kernel modules changed to:
/lib/modules/$(uname -r)/updates
/kernel/drivers/infiniband/hw/ipath
Deleted paragraph after the kernel module path-
name. (Information about replacing the kernel
modules is obsolete).
Added information about RDS modules.
Added information about QLogic-supplied Open-
MPI and MVAPICH RPMs.
“Installed Layout” on page 4-2