[mpich-discuss] Mpich + Siesta erro

[Jeff Hammond]

I bet you (1) Siesta doesn't check MPI return codes and (2) Siesta has no way to handle node failure. I bet it can't even handle malloc returning NULL. 

If a node fails more than once a month, the hardware is bad and you should buy new stuff. 

Jeff

Sent from my iPhone

> On Dec 6, 2013, at 7:04 PM, Julio Henrique <juliohenrique at msn.com> wrote:
> 
> 
> Okay Pavan. I'll try that. Then I'll return the result.
> Thank's.
> Julio.
>  
> 
>  
> 
>  
> 
>  
> > From: balaji at mcs.anl.gov
> > Date: Fri, 6 Dec 2013 19:01:08 -0600
> > To: discuss at mpich.org
> > Subject: Re: [mpich-discuss] Mpich + Siesta erro
> > 
> > Hi Julio,
> > 
> > There are two steps needed for this:
> > 
> > 1. You need to tell your MPI application to return errors instead of aborting.
> > 
> > 2. Tell the process manager to not clean up your remaining processes when one of the processes dies.
> > 
> > Details on both these steps are listed in the "Fault Tolerance” section of the MPICH README. Please try it out and let us know how it goes.
> > 
> > — Pavan
> > 
> > On Dec 6, 2013, at 6:54 PM, Julio Henrique <juliohenrique at msn.com> wrote:
> > 
> > > 
> > > I am using mpich-3.0.4 on cluster with 7 nodes running the latest version of siesta. My problem is that when a one node goes down, the siesta and mpich stops running and giveserror.
> > > How do I get when a node falls, siesta and mpich continue to run?
> > > Thank's.
> > > Julio.
> > > 
> > > 
> > > 
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> > --
> > Pavan Balaji
> > http://www.mcs.anl.gov/~balaji
> > 
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