On Mar 23, 2010, at 1:00 PM, Fernando Lemos wrote:
On Tue, Mar 23, 2010 at 12:55 PM, fengguang tian
<ferny...@gmail.com> wrote:
I use mpirun -np 50 -am ft-enable-cr --mca
snapc_base_global_snapshot_dir
--hostfile .mpihostfile xxxx
to store the global checkpoint snapshot into the shared
directory:/mirror,but the problems are still there,
when ompi-checkpoint, the mpirun is still not killed,it is hanging
there.
So the 'ompi-checkpoint' command does not finish? By default 'ompi-
checkpoint' does not terminate the MPI job. If you pass the '--term'
option to it, then it will.
when doing ompi-restart, it shows:
mpiu@nimbus:/mirror$ ompi-restart ompi_global_snapshot_333.ckpt/
--------------------------------------------------------------------------
Error: The filename (ompi_global_snapshot_333.ckpt/) is invalid
because
either you have not provided a filename
or provided an invalid filename.
Please see --help for usage.
--------------------------------------------------------------------------
Try removing the trailing '/' in the command. The current ompi-restart
is not good about differentiating between :
ompi_global_snapshot_333.ckpt
and
ompi_global_snapshot_333.ckpt/
Have you tried OpenMPI 1.5? I got it to work with 1.5, but not with
1.4 (but then I didn't try 1.4 with a shared filesystem).
I would also suggest trying v1.4 or 1.5 to see if your problems
persist with these versions.
-- Josh
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