Hi,
Thank you for contacting us.
Could your provide us more information about the OpenMPI version that you
are using? Also, DMTCP, libc, gcc, and kernel versions too.
Thanks,
Kapil
On Sat, Sep 28, 2013 at 6:49 PM, basma a.azeem
<basmaabdelaz...@hotmail.com>wrote:
> i need to use DMTCP to checkpoint and restart OpenMPI program
> DMTCP was installed on my machine
> and openmpi run normally
>
>
> so i ran the following command:
>
> :~$ dmtcp_checkpoint mpirun -np 4
> /home/basma/NPB3.3/NPB3.3/NPB3.3-MPI/bin/is.A.4
> my program is MPI/C Integer Sort of Nas Parallel Benchmark which run
> using 4 processes
>
> then i created a manual checkpoint using the dmtcp_coordinator
>
> so i had the following files in my home folder:
>
> ckpt_orterun_5721e6a7ff40367d-2937-52471e26.dmtcp
> ckpt_is.A.4_5721e6a7ff40367d-2942-52471e26.dmtcp
> ckpt_is.A.4_5721e6a7ff40367d-2944-52471e26.dmtcp
> ckpt_is.A.4_5721e6a7ff40367d-2947-52471e26.dmtcp
> ckpt_is.A.4_5721e6a7ff40367d-2950-52471e26.dmtcp
> dmtcp_restart_script.sh
> dmtcp_restart_script_5721e6a7ff40367d-2937-52471e26.sh
>
> i used the following command to restart:
>
> basma@basma-Satellite-A500:~$ ./dmtcp_restart_script.sh
>
> dmtcp_checkpoint (DMTCP + MTCP) 1.2.8
> Copyright (C) 2006-2011 Jason Ansel, Michael Rieker, Kapil Arya, and
> Gene Cooperman
> This program comes with ABSOLUTELY NO WARRANTY.
> This is free software, and you are welcome to redistribute it
> under certain conditions; see COPYING file for details.
> (Use flag "-q" to hide this message.)
>
> [3398] ERROR at connection.cpp:1137 in restore;
> REASON='JASSERT(jalib::Filesystem::FileExists(_path) == false) failed'
> _path = /run/shm/open_mpi.0001
> Message:
> **** File already exists! Checkpointed copy can't be restored.
> ****Delete the existing file and try again!
> dmtcp_restart (3398): Terminating...
>
>
> which file should i use to restart the OpenMPI program?and which command?
>
>
>
>
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Free Intel webinars can help you accelerate application performance.
Explore tips for MPI, OpenMP, advanced profiling, and more. Get the most from
the latest Intel processors and coprocessors. See abstracts and register >
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