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Subject: Re: [OMPI users] Help om Openmpi
From: Huynh Thuc Cuoc (htcuoc_at_[hidden])
Date: 2010-04-02 22:58:46


Thank you for helps.
HTCuoc

On Fri, Apr 2, 2010 at 1:30 PM, longbow leo <longbow0_at_[hidden]> wrote:

> There're lots of tutorials for ssh login without password available online.
> such as
>
> http://linuxproblem.org/art_9.html
> http://linuxwave.blogspot.com/2007/07/ssh-without-password.html
>
>
> HZ Liu
>
> 2010/4/2 Huynh Thuc Cuoc <htcuoc_at_[hidden]>
>
> Thank you very much.
>> After that I try with the mpirun:
>> [guser1_at_ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 10 --hostfile
>> myhosts ring_cxx
>> guser1_at_[hidden]'s password:guser1_at_[hidden]<password%3Aguser1_at_[hidden]>'s
>> password:
>>
>> This request passwd to login to nodes, but 2 massages in the line, I can
>> only success with one node, the 2sd. refussed.
>> So, how I can do as you advise, to login to each node without being
>> prompted for a password. ?
>> What I need to do. Help me.
>> I run openmpi 1.2.9 supporting SGE (when I buil with --with-sge). I had
>> tested to buil with 1.3. or 1.4. with this option I saw the error no
>> recognize --with-sge. Why ? bug or ? While docs README shows that this is
>> supported. I need this because I run SUN gridengine on may cluster. You have
>> some ideals ?
>> Thank you very much.
>> Sincerely.
>> HTCuoc
>>
>> On Wed, Mar 31, 2010 at 5:43 PM, Jeff Squyres (jsquyres) <
>> jsquyres_at_[hidden]> wrote:
>>
>>> Yes, you need to install open mpi on all nodes and you need to be able to
>>> login to each node without being prompted for a password.
>>>
>>> Also, not that v1.2.7 is pretty ancient. If you're juist starting with
>>> open mpi, can you upgrade to the latest version?
>>>
>>> -jms
>>> Sent from my PDA. No type good.
>>>
>>> ------------------------------
>>> *From*: users-bounces_at_[hidden] <users-bounces_at_[hidden]>
>>> *To*: users_at_[hidden] <users_at_[hidden]>
>>> *Sent*: Wed Mar 31 03:39:08 2010
>>> *Subject*: [OMPI users] Help om Openmpi
>>>
>>> Dear all,
>>> I had install my cluster which the configuration as following:
>>> - headnode :
>>> + linux CenOS 5.4, 4 CPUs, 3G RAM
>>> + sun gridengine sge6.0u12. The headnode is admin and submit node too.
>>> + Openmpi 1.2.9. In the installation openmpi :.configure
>>> --prefix=/opt/openmpi --with-sge ...Processes complilation and make was
>>> fine.
>>> + I have 2 others nodes which confg. are: 4 CPU, 1 G RAM and on which
>>> run sgeexecd.
>>> Testing for SGE on headnode and nodes by qsub was fine.
>>> When testing openmpi with as folowing:
>>> [guser1_at_ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 4 --hostfile
>>> myhosts hello_cxx
>>> Hello, world! I am 0 of 4
>>> Hello, world! I am 1 of 4
>>> Hello, world! I am 3 of 4
>>> Hello, world! I am 2 of 4
>>> [guser1_at_ioitg2 examples]$
>>>
>>> The openmpi runs well.
>>> My file myhosts:
>>> ioitg2.ioit-grid.ac.vn slots=4
>>> node1.ioit-grid.ac.vn slots=4
>>> node2.ioit-grid.ac.vn slots=4
>>>
>>> Now for more processes:
>>> [guser1_at_ioitg2 examples]$ /opt/openmpi/bin/mpirun -np 6 --hostfile
>>> myhosts hello_cxx
>>> guser1_at_[hidden]'s password:
>>>
>>> --------------------------------------------------------------------------
>>> Failed to find the following executable:
>>>
>>> Host: node1.ioit-grid.ac.vn
>>> Executable: hello_cxx
>>>
>>> Cannot continue.
>>>
>>> --------------------------------------------------------------------------
>>> mpirun noticed that job rank 0 with PID 19164 on node
>>> ioitg2.ioit-grid.ac.vn exited on signal 15 (Terminated).
>>> 3 additional processes aborted (not shown)
>>> [guser1_at_ioitg2 examples]$
>>>
>>> This is error massage. I was login on node1 successful.
>>>
>>> PLS, Help me. What problems I have 9installation, configurations, ...).
>>> Have I install openmpi on all nodes ?
>>>
>>> Thank you very much and I am waitting your helps.
>>>
>>>
>>>
>>>
>>> _______________________________________________
>>> users mailing list
>>> users_at_[hidden]
>>> http://www.open-mpi.org/mailman/listinfo.cgi/users
>>>
>>
>>
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