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Subject: Re: [OMPI users] distributed file system
From: Ralph Castain (rhc_at_[hidden])
Date: 2013-05-16 12:30:02


On May 16, 2013, at 9:18 AM, Gus Correa <gus_at_[hidden]> wrote:

> With the minor caveat that a sentence in the link below
> still points to o'l LAM. :)
>
> "... when the time comes to patch or otherwise upgrade LAM, ..."

lol - fixed. thx!

>
> If you have a NFS shared file system,
> if the architecture and OS are the same across the nodes,
> if your cluster isn't too big (for NFS latency to have an impact),
> it is much easier to install Open MPI on the NFS share
> than to install it on all nodes.
> One installation only to take care of.
> Specially if you need different Open MPI builds for different
> compilers, etc.
> If you don't have NFS, it is worth to install
> it beforehand and to use it.
>
> I hope it helps,
> Gus Correa
>
> On 05/16/2013 11:38 AM, Jeff Squyres (jsquyres) wrote:
>> See http://www.open-mpi.org/faq/?category=building#where-to-install
>>
>>
>> On May 16, 2013, at 11:30 AM, Ralph Castain<rhc_at_[hidden]>
>> wrote:
>>
>>> no, as long as ompi is installed in same location on each machine
>>>
>>> On May 16, 2013, at 8:24 AM, Reza Bakhshayeshi<reza.b2008_at_[hidden]> wrote:
>>>
>>>> Hi
>>>>
>>>> Do we need distributed file system (like NFS) when running MPI program on multiple machines?
>>>>
>>>> thanks,
>>>> Reza
>>>> _______________________________________________
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>>>
>>> _______________________________________________
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>>
>>
>
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