Editing Limiting MPI (1.2x) traffic to one NIC
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− | As an example, say you | + | As an example, say you run your nodes with a FastEther port for the admin and reporting functions and leave the GigaEther for the MPI traffic. |
IP addresses are setup accordingly and they have their own host names. eg. borg1 is the GigaEther (eth1) while borg1_m (eth0) is the "management" interface. Now, if you don't tell MPI that there's a difference then it's going reach out and touch the machines with eth0. | IP addresses are setup accordingly and they have their own host names. eg. borg1 is the GigaEther (eth1) while borg1_m (eth0) is the "management" interface. Now, if you don't tell MPI that there's a difference then it's going reach out and touch the machines with eth0. |