Am 22.08.2017 um 02:04 schrieb Gilles Gouaillardet:
> Gary,
>
>
> one option (as mentioned in the error message) is to configure Open MPI with
> --enable-orterun-prefix-by-default.
>
> this will force the build process to use rpath, so you do not have to set
> LD_LIBRARY_PATH
>
> this is the easiest option, but cannot be used if you plan to relocate the
> Open MPI installation directory.
There is the tool `chrpath` to change rpath and runpath inside a
binary/library. This has to match relocated directory then.
-- Reuti
> an other option is to use a wrapper for orted.
>
> mpirun --mca orte_launch_agent /.../myorted ...
>
> where myorted is a script that looks like
>
> #!/bin/sh
>
> export LD_LIBRARY_PATH=...
>
> exec /.../bin/orted "$@"
>
>
> you can make this setting system-wide by adding the following line to
> /.../etc/openmpi-mca-params.conf
>
> orte_launch_agent = /.../myorted
>
>
> Cheers,
>
>
> Gilles
>
>
> On 8/22/2017 1:06 AM, Jackson, Gary L. wrote:
>>
>> I’m using a binary distribution of OpenMPI 1.10.2. As linked, it requires
>> certain shared libraries outside of OpenMPI for orted itself to start. So,
>> passing in LD_LIBRARY_PATH with the “-x” flag to mpirun doesn’t do anything:
>>
>> $ mpirun –hostfile ${HOSTFILE} -N 1 -n 2 -x LD_LIBRARY_PATH hostname
>>
>> /path/to/orted: error while loading shared libraries: LIBRARY.so: cannot
>> open shared object file: No such file or directory
>>
>> --------------------------------------------------------------------------
>>
>> ORTE was unable to reliably start one or more daemons.
>>
>> This usually is caused by:
>>
>> * not finding the required libraries and/or binaries on
>>
>> one or more nodes. Please check your PATH and LD_LIBRARY_PATH
>>
>> settings, or configure OMPI with --enable-orterun-prefix-by-default
>>
>> * lack of authority to execute on one or more specified nodes.
>>
>> Please verify your allocation and authorities.
>>
>> * the inability to write startup files into /tmp (--tmpdir/orte_tmpdir_base).
>>
>> Please check with your sys admin to determine the correct location to use.
>>
>> * compilation of the orted with dynamic libraries when static are required
>>
>> (e.g., on Cray). Please check your configure cmd line and consider using
>>
>> one of the contrib/platform definitions for your system type.
>>
>> * an inability to create a connection back to mpirun due to a
>>
>> lack of common network interfaces and/or no route found between
>>
>> them. Please check network connectivity (including firewalls
>>
>> and network routing requirements).
>>
>> --------------------------------------------------------------------------
>>
>> How do I get around this cleanly? This works just fine when I set
>> LD_LIBRARY_PATH in my .bashrc, but I’d rather not pollute that if I can
>> avoid it.
>>
>> --
>>
>> Gary Jackson, Ph.D.
>>
>> Johns Hopkins University Applied Physics Laboratory
>>
>>
>>
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>
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