Hi Gus Thanks for prompt response. Well judged, I compiled with /export/apps prefix so that is most probably the reason. I'll check and update you.
Best wishes Ahsan On Fri, Feb 27, 2015 at 10:07 PM, Gus Correa <g...@ldeo.columbia.edu> wrote: > Hi Syed > > This really sounds as a problem specific to Rocks Clusters, > not an issue with Open MPI. > A confusion related to mount points, and soft links used by Rocks. > > I haven't used Rocks Clusters in a while, > and I don't remember the details anymore, so please take my > suggestions with a grain of salt, and check them out > before committing to them > > Which --prefix did you use when you configured Open MPI? > My suggestion is that you don't use "/export/apps" as a prefix > (and this goes to any application that you install). > but instead use a /share/apps subdirectory, something like: > > --prefix=/share/apps/openmpi-1.8.4_gcc-4.9.2 > > This is because /export/apps is just a mount point on the > frontend/head node, whereas /share/apps is a mount point > across all nodes in the cluster (and, IIRR, a soft link on the > head node). > > My recollection is that the Rocks documentation was obscure > about this, not making clear the difference between > /export/apps and /share/apps. > > Issuing the Rocks commands: > "tentakel 'ls -d /export/apps'" > "tentakel 'ls -d /share/apps'" > may show something useful. > > I hope this helps, > Gus Correa > > > On 02/27/2015 11:47 AM, Syed Ahsan Ali wrote: >> >> I am trying to run openmpi application on my cluster. But the mpirun >> fails, simple hostname command gives this error >> >> [pmdtest@hpc bin]$ mpirun --host compute-0-0 hostname >> -------------------------------------------------------------------------- >> Sorry! You were supposed to get help about: >> opal_init:startup:internal-failure >> But I couldn't open the help file: >> >> /export/apps/openmpi-1.8.4_gcc-4.9.2/share/openmpi/help-opal-runtime.txt: >> No such file or directory. Sorry! >> -------------------------------------------------------------------------- >> -------------------------------------------------------------------------- >> Sorry! You were supposed to get help about: >> orte_init:startup:internal-failure >> But I couldn't open the help file: >> /export/apps/openmpi-1.8.4_gcc-4.9.2/share/openmpi/help-orte-runtime: >> No such file or directory. Sorry! >> -------------------------------------------------------------------------- >> [compute-0-0.local:03410] [[INVALID],INVALID] ORTE_ERROR_LOG: Error in >> file orted/orted_main.c at line 369 >> -------------------------------------------------------------------------- >> ORTE was unable to reliably start one or more daemons. >> >> I am using Environment modules to load OpenMPI 1.8.4 and PATH and >> LD_LIBRARY_PATH points to same openmpi on nodes >> >> [pmdtest@hpc bin]$ which mpirun >> /share/apps/openmpi-1.8.4_gcc-4.9.2/bin/mpirun >> [pmdtest@hpc bin]$ ssh compute-0-0 >> Last login: Sat Feb 28 02:15:50 2015 from hpc.local >> Rocks Compute Node >> Rocks 6.1.1 (Sand Boa) >> Profile built 01:53 28-Feb-2015 >> Kickstarted 01:59 28-Feb-2015 >> [pmdtest@compute-0-0 ~]$ which mpirun >> /share/apps/openmpi-1.8.4_gcc-4.9.2/bin/mpirun >> >> The only this I notice important is that in the error it is referring to >> >> /export/apps/openmpi-1.8.4_gcc-4.9.2/share/openmpi/help-opal-runtime.txt: >> >> While it should have shown >> /share/apps/openmpi-1.8.4_gcc-4.9.2/share/openmpi/help-opal-runtime.txt: >> which is the path compute nodes see. >> >> Please help! >> Ahsan >> _______________________________________________ >> users mailing list >> 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/2015/02/26411.php >> > > _______________________________________________ > users mailing list > 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/2015/02/26412.php -- Syed Ahsan Ali Bokhari Electronic Engineer (EE) Research & Development Division Pakistan Meteorological Department H-8/4, Islamabad. Phone # off +92518358714 Cell # +923155145014
