[mpich-discuss] SGE & Hydra Problem

Pavan Balaji balaji at mcs.anl.gov
Wed Sep 22 08:42:55 CDT 2010


Crud. So much for my theory :-). There's got to be some difference in the two system. SGE version?

 -- Pavan

--
Pavan Balaji
http://www.mcs.anl.gov/~balaji

----- "Ursula Winkler" <ursula.winkler at uni-graz.at> wrote:

> Pavan Balaji schrieb:
> > Great. I'll commit this in.
> >
> > Based on Reuti's previous message, I remembered that qrsh can be
> configured to use ssh or rsh internally as well. With older openssh
> versions, there was a problem when the stdin socket is closed before
> calling ssh. Newer openssh versions seem to have fixed that. So, we
> had a work around in Hydra for ssh to handle this case, but only for
> ssh. I just extended that workaround to be used for sge and rsh as
> well.
> >
> > So my guess is that the second cluster has a newer ssh version while
> the first cluster has an older ssh version and qrsh uses ssh
> internally.
> >
> >   
> Sounds plausibel. But both have the same openssh (same OS, same patch
> 
> level).
> 
> Ursula


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