Just checkpoint-restart the app to relocate. The overhead will be lower than trying to do with MPI.
Jeff On Wednesday, March 16, 2016, Husen R <hus...@gmail.com> wrote: > Hi Jeff, > > Thanks for the reply. > > After consulting the Gromacs docs, as you suggested, Gromacs already > supports checkpoint/restart. thanks for the suggestion. > > Previously, I asked about checkpoint/restart in Open MPI because I want to > checkpoint MPI Application and restart/migrate it while it is running. > For the example, I run MPI application in node A,B and C in a cluster and > I want to migrate process running in node A to other node, let's say to > node C. > is there a way to do this with open MPI ? thanks. > > Regards, > > Husen > > > > > On Wed, Mar 16, 2016 at 12:37 PM, Jeff Hammond <jeff.scie...@gmail.com > <javascript:_e(%7B%7D,'cvml','jeff.scie...@gmail.com');>> wrote: > >> Why do you need OpenMPI to do this? Molecular dynamics trajectories are >> trivial to checkpoint and restart at the application level. I'm sure >> Gromacs already supports this. Please consult the Gromacs docs or user >> support for details. >> >> Jeff >> >> >> On Tuesday, March 15, 2016, Husen R <hus...@gmail.com >> <javascript:_e(%7B%7D,'cvml','hus...@gmail.com');>> wrote: >> >>> Dear Open MPI Users, >>> >>> >>> Does the current stable release of Open MPI (v1.10 series) support fault >>> tolerant feature ? >>> I got the information from Open MPI FAQ that The checkpoint/restart >>> support was last released as part of the v1.6 series. >>> I just want to make sure about this. >>> >>> and by the way, does Open MPI able to checkpoint or restart mpi >>> application/GROMACS automatically ? >>> Please, I really need help. >>> >>> Regards, >>> >>> >>> Husen >>> >> >> >> -- >> Jeff Hammond >> jeff.scie...@gmail.com >> <javascript:_e(%7B%7D,'cvml','jeff.scie...@gmail.com');> >> http://jeffhammond.github.io/ >> >> _______________________________________________ >> users mailing list >> us...@open-mpi.org <javascript:_e(%7B%7D,'cvml','us...@open-mpi.org');> >> Subscription: http://www.open-mpi.org/mailman/listinfo.cgi/users >> Link to this post: >> http://www.open-mpi.org/community/lists/users/2016/03/28705.php >> > > -- Jeff Hammond jeff.scie...@gmail.com http://jeffhammond.github.io/
