Myricom Myrinet/PCI-X Network Interface Cards Guía para resolver problemas descargar pdf (Pagina 16)

The yellow "Lanai" LED is controlled by the Lanai processor, and will pulse like a

heartbeat while the MCP/firmware is running. If an error occurs, the yellow "Lanai"

LED will pulse an S.O.S signal. If the yellow LED is not pulsing, the MX-2G MCP is

not loaded or is not running.

Refer to the FAQ entry "How can I tell if the MX Mapper has correctly detected all of the

hosts in my Myrinet network?" (http://www.myri.com/cgi-bin/fom?file=427).

If you have tried all of these procedures and you cannot resolve the problem, contact

[email protected] for assistance. You cannot continue with the software installation until

this issue is resolved.

Further Details

The make install script copies the MX binaries to the specified binary installation

directory <install_path>.

The mx_local_install script performs the following operations:

• Copies other files from the binary installation directory to an architecture-

specific directory (/etc/init.d/).

• Creates the devices (/dev/mx* and /dev/mxp*), one device per NIC

• Creates the mapper’s per-host configuration directory (/var/run/fms/) and

possibly stores configuration files there.

The mx_start_stop “start” script performs the following operations:

• Stops any Ethernet-over-Myrinet devices (myri*)

• Unloads any currently loaded MX or GM driver (using rmmod)

• Loads the MX mcp and driver modules (using insmod)

• Starts a mapper daemon called mx_mapper for each Myrinet NIC contained in

the machine. The PIDs of the running mx_mappers are stored in

/var/run/mx_mapper/pid.{board_id}, and the map files are stored in

/var/run/mx_mapper/map.{board_id}.

Important note: The MX start script does not configure the IP device. If you wish to

run IP over MX/Myrinet (ethernet emulation), you must configure the device. (Refer to

Step 3 of the installation process.)

If you wish to have the driver auto-load at boot, you must create appropriate links in the

/etc/rcN directories to the /etc/init.d/mx script, or, for example, use the following

command (for Debian Linux):

update-rc.d mx defaults

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