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From: Josh Hursey (jjhursey_at_[hidden])
Date: 2007-08-21 14:42:37


I just updated the Users Guide on the wiki. I added the following
sections:
  - Compiling and Building
  - Example Checkpoint/Restart Use Cases

Let me know if you have any trouble with this work.

Cheers,
Josh

On Aug 21, 2007, at 1:46 PM, Josh Hursey wrote:

> Hello,
>
> There are a few things you need to do to build Open MPI with
> Checkpoint/Restart support. By default Open MPI is configured without
> checkpoint/restart support.
> 1) Make sure you have BLCR successfully installed and loaded on your
> system(s)
> 2) configure Open MPI with the "--with-ft=cr" option, which enables
> checkpoint/restart fault tolerance
> Note: you may also have to specify the install directory of BLCR
> with the "--with-blcr=/path/to/blcr"
> 3) make and make install
>
> The resultant build will have support for checkpoint/restart and the
> tools (e.g., ompi-checkpoint, ompi-restart) will become available.
>
> Looking at the documentation it doesn't seem to include these steps.
> I'll fix that later today, and post and updated file to the wiki.
> Sorry about that. :(
>
> Hope this helps,
> Josh
>
> On Aug 21, 2007, at 1:09 PM, Hiep Bui Hoang wrote:
>
>> Hello,
>> I'm Hiep, I'm trying to use checkpoint/restart feature in Open MPI.
>> I had read information about this feature in https://svn.open-
>> mpi.org/trac/ompi/wiki/ProcessFT_CR and Open-MPI-FT-CR-Draft-
>> v1.pdf. I had built Open MPI from "trunk" which gotten by Subversion.
>> But I don't know how to enable checkpoint/restart fault tolerance
>> in Open MPI.
>> So that, I get this error when I try this command: ompi-checkpoint.
>> bash: ompi-checkpoint: command not found
>> I want to ask you how to build and use checkpoint/restart feature
>> in Open MPI.
>> Please tell me in details, I'm a new user.
>> Thanks!
>> _______________________________________________
>> users mailing list
>> users_at_[hidden]
>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>
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