[mpich-discuss] One Mistake in MPICH Wiki

[俞博文]

Hi,


I am using MPICH-3.1.2 with Hydra process manager, and I use ssh as daemon. I need to specify a private key for password-less login ( ssh -i <FILENAME> ). Document below says there is one environment variable HYDRA_LAUNCH_EXTRA_ARGS which controls the arguments passed to the launcher(ssh).‍
https://wiki.mpich.org/mpich/index.php/Using_the_Hydra_Process_Manager#Environment_Settings‍


However, it doesn't work. After I checked the source code, it is actually HYDRA_LAUNCHER_EXTRA_ARGS, so there is one mistake in that document. This is troublesome for beginners.


Thanks,
Steven
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