[torqueusers] Mix MAUI and MOAB with a single TORQUE pbs_server?

Coyle, James J [ITACD] jjc at iastate.edu
Fri Dec 7 16:46:33 MST 2012


Craig,

  Thanks for suggesting consumable resources.  I had
not known of them.  I will ask for a sample configuration
on the mauiusers list.


>-----Original Message-----
>From: torqueusers-bounces at supercluster.org [mailto:torqueusers-
>bounces at supercluster.org] On Behalf Of Charles Henry
>Sent: Friday, December 07, 2012 1:49 PM
>To: Torque Users Mailing List
>Subject: Re: [torqueusers] Mix MAUI and MOAB with a single TORQUE
>pbs_server?
>
>
>
>----- Original Message -----
>> From: "Craig Tierney - NOAA Affiliate" <craig.tierney at noaa.gov>
>> To: "Torque Users Mailing List" <torqueusers at supercluster.org>
>> Sent: Friday, December 7, 2012 12:47:55 PM
>> Subject: Re: [torqueusers] Mix MAUI and MOAB with a single TORQUE
>pbs_server?
>>
>> On Fri, Dec 7, 2012 at 11:38 AM, Coyle, James J [ITACD] <
>> jjc at iastate.edu > wrote:
>>
>>
>>
>>
>>
>>
>>
>> I am working with a set of researchers who would like to have a
>large
>> cluster with
>>
>> Torque as the scheduler with MAUI for the majority of the nodes,
>and
>> MOAB
>>
>> for about 32 GPU nodes to make use of the GPU scheduling
>capabilities
>> of MOAB.
>>
>>
>>
>> 1) Is this necessary? Is MOAB needed for a 2GPU node?
>>
>>
>> Maui does not support GPUs. If you have Moab, you can get rid of
>Maui.
>
>MOAB has a per node licensing cost--I'm guessing that's the reason
>for not wanting to use it on the whole cluster.  Anyway--the fact
>that maui itself doesn't have GPU support is not a big deal.  You
>just use torque's consumable resources and gpu support.  It takes
>some custom configuration.
>
>> 2) Can this be done from a single Torque install (some nodes
>scheduled
>> under MAUI,
>>
>> some under MOAB) or will this be like two clusters?
>>
>>
>>
>> I have never done this, but I can't see how two different
>schedulers
>> (Moab and Maui) could support scheduling on the same Torque
>Instance.
>> Again, if you already are going to buy Moab, you can use that for
>your
>> whole cluster, and not use Maui.
>>
>> Craig
>
>Right--you can't have two schedulers with the same resource manager.
>So, if you go forward with two schedulers, you will need to have two
>torque resource managers running.  You can put both on the same
>machine, with different ports and different installation
>directories.  It can be done, but it's a huge headache.  If you're
>committed to using each Maui and MOAB (e.g. you've paid for it
>already), you will essentially have two clusters.
>
>
>>
>>
>> Thanks,
>>
>> James Coyle, PhD
>>
>> High Performance Computing Group
>>
>> 115 Durham Center
>>
>> Iowa State Univ. phone: (515)-294-2099
>>
>> Ames, Iowa 50011 web: http://jjc.public.iastate.edu/
>>
>>
>>
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>>
>>
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