Danesh,
The filesystem physically on the master, specifically including the
directory where you are running the open-mpi program, should be NFS
mounted by the slave machines. The absolute path name should be the
same on all machines. I don't know if that will fix your problem but
we had to do thaqt on our linux clusters and os x clusters.
Doug
On Apr 1, 2008, at 2:22 PM, Danesh Daroui wrote:
You mean I should mount NFS filesystems of slave machine on master so
their disks can be accessed from a mount point on master? In that
cases,
what moint point on master
shoud it be? Should I configure open-MPI about this mount point? Can't
it work without mounting? I think it should work since the
processes are
locally run via SSH on remote machines.
D.
Doug Reeder skrev:
Danesh,
Do they all have access to the sam file system/physical hard drive.
You will probably need to NFS mount the filesystem on master on the
other two systems.
Doug Reeder
On Apr 1, 2008, at 1:46 PM, Danesh Daroui wrote:
Hi all,
I have installed Open-MPI on three machine which runs OpenSUSE
and it
has been installed successfully. I can submit jobs locally on each
machine using "mpirun" and it works fine. I have defined a
host file on one of them (master) where I have defined IP address of
each machine and number of slots. First when I tried to submit
jobs to
master it asked for password for SSH connection which showed
that master can communicate with slaves. Then I setup all
machines to
communicate with each other using SSH without password. Now when I
submit a job on master, the job just blocks and nothing
happens. The program runs locally on each machine but it will not
run
when I submit it on master to be run on slaves. What can it be?
D.
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