[mpich-discuss] Checkpoint/Restart problem

[Balaji, Pavan]

I'm sure about the fact that MPICH doesn't support BLCR anymore.  :-)  I'll make sure it's removed in the future versions of the userguide.  Thanks for pointing it out.

BLCR kernel support was from my experience about an year ago, so things might have changed in that.

  -- Pavan

> On Apr 3, 2016, at 8:36 PM, Husen R <hus3nr at gmail.com> wrote:
> 
> Hello Pavan,
> 
> Thank you for your reply,
> 
> Are you sure about that ?
> I have downloaded MPICH-3.2 (The latest version) . According to the userguide, MPICH supports checkpoint/rollback fault tolerance and currently only the BLCR checkpointing library is supported. We can see this information at chapter 8 in this userguide https://www.mpich.org/static/downloads/3.2/mpich-3.2-userguide.pdf.
> 
> In addition, I also have downloaded the latest version of BLCR that supports recent linux kernels.
> 
> -Husen
> 
> On Sun, Apr 3, 2016 at 10:20 AM, Balaji, Pavan <balaji at anl.gov> wrote:
> Hello,
> 
> BLCR checkpointing is no longer supported in MPICH.  The BLCR kernel module hasn't been updated to recent linux kernels, and move folks have moved to alternate checkpointing infrastructure such as FTI or SCR.  You might want to consider doing that as well.
> 
>   -- Pavan
> 
> > On Apr 1, 2016, at 9:51 PM, Husen R <hus3nr at gmail.com> wrote:
> >
> > Dear all,
> >
> > Please anyone tell me how to manually checkpoint mpiexec ?
> > I have followed the instruction in this link https://wiki.mpich.org/mpich/index.php/Checkpointing.
> > I used the following command to send SIGUSR1. nothing happened.
> >
> > kill -SIGUSR1 [pid of mpiexec]
> >
> > thank you in advance
> >
> > regards,
> >
> >
> > Husen
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