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Subject: Re: [OMPI users] --preload-binary does not work
From: Ralph Castain (rhc_at_[hidden])
Date: 2014-06-06 17:35:06


Okay, I found the problem and think I have a fix that I posted (copied EO on it). You are welcome to download the patch and try it. Scheduled for release in 1.8.2

Thanks
Ralph

On Jun 6, 2014, at 1:01 PM, Ralph Castain <rhc_at_[hidden]> wrote:

> Yeah, it doesn't require ssh any more - but I haven't tested it in a bit, and so it's possible something crept in there.
>
> On Jun 6, 2014, at 12:27 PM, Reuti <reuti_at_[hidden]> wrote:
>
>> Am 06.06.2014 um 21:04 schrieb Ralph Castain:
>>
>>> Supposed to, yes - but I don't know how much testing it has seen. I can try to take a look
>>
>> Wasn't it on the list recently, that 1.8.1 should do it even without passphraseless SSH between the nodes?
>>
>> -- Reuti
>>
>>
>>> On Jun 6, 2014, at 12:02 PM, E.O. <ooyama.eiichi_at_[hidden]> wrote:
>>>
>>>> Hello
>>>> I am using OpenMPI ver 1.8.1 on a cluster of 4 machines.
>>>> One Redhat 6.2 and three busybox machine. They are all 64bit environment.
>>>>
>>>> I want to use --preload-binary option to send the binary file to hosts but it's not working.
>>>>
>>>> # /mpi/bin/mpirun --prefix /mpi --preload-files ./a.out --allow-run-as-root --np 4 --host box0101,box0103 --preload-binary ./a.out
>>>> --------------------------------------------------------------------------
>>>> mpirun was unable to launch the specified application as it could not access
>>>> or execute an executable:
>>>>
>>>> Executable: ./a.out
>>>> Node: box0101
>>>>
>>>> while attempting to start process rank 17.
>>>> --------------------------------------------------------------------------
>>>> 17 total processes failed to start
>>>> #
>>>>
>>>> If I sent the binary by SCP beforehand, the command works fine. SCP is working fine without password between the hosts.
>>>> Is the option supposed to work?
>>>> Thank you,
>>>>
>>>> Eiichi
>>>>
>>>> _______________________________________________
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>>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
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>>
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>