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- Outdated ipath_ether Configuration Setup Generates Error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 xi
S
Added program example. “ibv_devinfo” on page F-5
Updated command for QLogic RPMs.
In the second paragraph, changed the RPM name
to kernel-ib.
Removed ident string for non-QLogic built kernel
modules.
“ident” on page F-6
Added a NOTE about using ibhosts to create a
nodefile.
“ipath_checkout” on page F-7
Updated output for ipath_control.
Removed information for -d option, since it is out-
dated.
Pathname changed from:
sys/bus/pci/drivers/ib_ipath/<num-
ber>/
to:
/sys/class/infiniband/ipath0/device/
“ipath_control” on page F-8
Added new information about MTRR (NOTE and
first five paragraphs).
Added information about how to set up the script to
run automatically upon restart.
“ipath_mtrr” on page F-10
Changed the name of the configuration files that
modprobe uses.
“modprobe” on page F-11
Added information about using CRC or XOR
checksums for messages data.
Added information about the -P option.
“mpi_stress” on page F-12
Added information about the -qpl option. “rpm” on page F-13
In the check the system state function, changed
file name in the Command column.
Changed the command (Command column) for the
following functions:
Verify hosts via an Ethernet ping function
Verify ssh function
Verify that the hosts see each other function
Check MPI performance
Table F-3 on page F-13
Corrected function: boardversion reports ver-
sion of the chip architecture, not installed software.
Table F-4 on page F-15