[mvapich-discuss] How to set different MV2_IBA_HCA among ranks / nodes?

[pramod kumbhar]

Dear All,

We have cluster where we need to set different values of MV2_IBA_HCA  due
to some IB configuration:

MV2_IBA_HCA=mlx5_0
MV2_IBA_HCA=mlx5_1

With Intel MPI this is done using /etc/dat.conf  + DAPL.

We would like to deploy mvapich2 and wondering what is right way to do
this. Is there any configuration file that could be used to do this?

Any suggestion will be helpful.

Regards,
Pramod
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