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- Outdated ipath_ether Configuration Setup Generates Error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

2–Feature Overview
Supported Distributions and Kernels
2-4 IB6054601-00 H
S
Supported Distributions and Kernels
The QLogic interconnect runs on AMD™ Opteron™ and 64-bit Intel Xeon systems
running Linux
®
. The currently supported distributions and associated Linux kernel
versions for InfiniPath and OpenFabrics are listed in Table 2-2.
The kernels are the ones that shipped with the distributions. All are for the x86_64
architecture.
Table 2-2. InfiniPath/OpenFabrics Supported Distributions and Kernels
Distribution
InfiniPath/OpenFabrics Supported
Kernels
Red Hat
®
Enterprise Linux
®
(RHEL) 4.5
RHEL 4.6
RHEL 4.7
2.6.9-55 (U5)
2.6.9-67 (U6)
2.6.9-78 (U7)
CentOS 4.5
CentOS 4.6
CentOS 4.7
2.6.9.55
2.6.9-67
2.6.9-78
Scientific Linux 4.5
Scientific Linux 4.6
Scientific Linux 4.7
2.6.9.55
2.6.9-67
2.6.9-78
Red Hat Enterprise Linux 5.1 (RHEL 5.1)
RHEL 5.2
2.6.18-53, 2.6.18-92
2.6.18-92
CentOS 5.1
CentOS 5.2
2.6.18-53, 2.6.18-92
2.6.18-92
Scientific Linux 5.1
Scientific Linux 5.2
22.6.18-53, 2.6.18-92
2.6.18-92
SUSE
®
Linux Enterprise Server 10 SP 1
SUSE
®
Linux Enterprise Server 10 SP 2
2.6.16.46
2.6.16.60
NOTE:
Support for RHEL4 U4 and SLES 10.0 has been removed.