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- Outdated ipath_ether Configuration Setup Generates Error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

4–InfiniPath Cluster Setup and Administration
OpenFabrics Drivers and Services Configuration and Startup
IB6054601-00 H 4-15
A
b. Format 2: Define an IOC using the IOCSTRING. Defining the IOC
using the IOCSTRING allows VIO hardware to be hot-swapped in and
out of a specific slot. The host attempts to connect to the specified IOC
(1, 2, or 3) on the VIO hardware that currently resides in the specified
slot of the specified chassis. Use the following format to allow the host
to connect to a VIO hardware that resides in a specific slot of a specific
chassis:
{CREATE;
NAME="eioc1";
IOCSTRING="Chassis 0x00066A0005000001, Slot 1, IOC 1";
RX_CSUM=TRUE;
HEARTBEAT=100; }
Each CREATE block must specify a unique NAME. The NAME
represents the Ethernet interface name that will be registered with the
Linux operating system.
c. Format 3: Start VNIC using DGID. Following is an example of a DGID
and IOCGUID VNIC configuration. This configuration allows for the
quickest start up of VNIC service:
{CREATE; NAME="eioc1";
DGID=0xfe8000000000000000066a0258000001;IOCGUID=0x66a0130
000001;
}
This example uses DGID, IOCGUID, and IOCSTRING:
{CREATE; NAME="eioc1";
DGID=0xfe8000000000000000066a0258000001;
IOCGUID=0x66a0130000001;
IOCSTRING="Chassis 0x00066A00010003F2, Slot 1, IOC 1";
}
NOTE:
The IOCSTRING field is a literal, case-sensitive string. Its syntax
must be exactly in the format shown in the previous example,
including the placement of commas. To reduce the likelihood of
syntax error, use the command
ib_qlgc_vnic_query -es.
Note that the chassis serial number must match the chassis Ox
(hex) value. The slot serial number is specific to the line card as
well.