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Subject: [OMPI users] btl_tcp_if_include setting
From: Ray Sheppard (rsheppar_at_[hidden])
Date: 2013-10-14 10:27:35


Hi,
   I am setting up version 1.7.2 for a Cray XE-6. The build nodes have
different interfaces than the compute nodes. I have been able to set it
up, but users need to embed the following into their mpirun command:
--mca btl_tcp_if_include ipogif0

Currently, The ompi_info shows as below. I have been trying to figure
out the correct configure switch to add to the build to remove the need
for a permanent mpirun switch, but seem to be not getting it right. Any
suggestions are welcomed. Thanks,
      Ray

  ompi_info --param btl all
                  MCA btl: parameter "btl_tcp_if_include" (current
value: "",
                           data source: default, level: 1 user/basic, type:
                           string)
                           Comma-delimited list of devices and/or CIDR
                           notation of networks to use for MPI communication
                           (e.g., "eth0,192.168.0.0/16"). Mutually
exclusive
                           with btl_tcp_if_exclude.
                  MCA btl: parameter "btl_tcp_if_exclude" (current value:
                           "127.0.0.1/8,sppp", data source: default,
level: 1
                           user/basic, type: string)
                           Comma-delimited list of devices and/or CIDR
                           notation of networks to NOT use for MPI
                           communication -- all devices not matching these
                           specifications will be used (e.g.,
                           "eth0,192.168.0.0/16"). If set to a non-default
                           value, it is mutually exclusive with
                           btl_tcp_if_include.