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Subject: Re: [OMPI users] EXTERNAL: Re: Can you set the gid of the processes created by mpirun?
From: Ralph Castain (rhc_at_[hidden])
Date: 2011-09-14 12:32:32


On Sep 14, 2011, at 9:39 AM, Blosch, Edwin L wrote:

> Thanks, Ralph,
>
> I get the failure messages, unfortunately:
>
> setgid FAILED
> setgid FAILED
> setgid FAILED
>
> I actually had attempted to call setgid from within the application previously, which looks similar to what you've done, but it failed. That was when I initiated the post to the mailing list. My conclusion, a guess really, was that Linux would not let me setgid from within my program because I was not root.

I was afraid of that - the documentation seemed to indicate that would be the case, but I figured it was worth a quick try. Sorry I can't be of help.

>
>
> -----Original Message-----
> From: users-bounces_at_[hidden] [mailto:users-bounces_at_[hidden]] On Behalf Of Ralph Castain
> Sent: Wednesday, September 14, 2011 8:15 AM
> To: Open MPI Users
> Subject: Re: [OMPI users] EXTERNAL: Re: Can you set the gid of the processes created by mpirun?
>
> The attached should set the gid of the remote daemons (and their children) to the gid of mpirun. No cmd line option or anything is required - it will just always do it.
>
> Would you mind giving it a try?
>
> Please let me know if/how it works.
>
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