Troubleshooting guide

ManualsBrandsMyricom ManualsComputer equipmentMyrinet/PCI-X Network Interface Cards

Table of Contents

I. Introduction.......................................................................................................................................... 3

II. What Hardware Is Required?............................................................................................................... 3

III. Hardware Installation .......................................................................................................................... 3

IV. What Software Do I Need To Install? ............................................................................................... 12

V. MX-2G Software Installation .............................................................................................................. 13

1. Configuring and compiling MX-2G.................................................................................................. 13

2. Installing the MX-2G mcp and driver. ............................................................................................. 14

3. Enabling IP over Myrinet (Ethernet emulation) (OPTIONAL)...................................................... 18

VI. GM-2 Software Installation................................................................................................................ 18

1. Configuring and compiling GM-2..................................................................................................... 18

2. Installing the GM-2 driver................................................................................................................. 19

3. Enabling IP over Myrinet (Ethernet emulation) (OPTIONAL)...................................................... 22

VII. GM-1 Software Installation.............................................................................................................. 23

1. Configuring and compiling GM-1..................................................................................................... 23

2. Installing the GM-1 driver................................................................................................................. 23

3. Run the GM-1 mapper....................................................................................................................... 25

4. Enabling IP over Myrinet (Ethernet emulation) (OPTIONAL)...................................................... 27

VIII. Testing/Validation............................................................................................................................ 28

2. Run fm_switch to ensure that the FMS database includes all switches......................................... 28

3. Run fm_db2wirelist to look for any missing hosts.......................................................................... 29

4. Check the LEDs on each switch port and NIC port ....................................................................... 29

5. Test performance between each host and NIC ............................................................................... 30

7. Run mpi_stress or gm_stress to stress all of the connections in the Myrinet fabric..................... 31

8. Run fm_show_alerts for diagnostic information on any damaged/failing hardware component.32

Appendix A: Determining if a Problem is Hardware or Software Related........................................... 33

Appendix B: Isolating the Cause of a Hardware Problem...................................................................... 37

B.1. How do I determine if a cable has failed?.................................................................................... 39

B.2. How do I determine if a port on a switch line card has failed?.................................................. 39

B.3. How do I determine if a Myrinet NIC has failed?....................................................................... 40

Appendix C: Troubleshooting Performance............................................................................................ 42