[torqueusers] Using Torque with two different "pools" of processors.

David McGiven david.mcgiven at fusemail.com
Thu Oct 27 14:14:42 MDT 2005


Ronny,

I will try this soon. Thank you very very much for the help.

Best Regards,
David



----- Original Message -----

> Hi,
>
> > We recently bought a new SGI machine with 4 IA64 processors and we
want to
> > add it as if it was a new node.
> > Can I create a new que ONLY for that machine ? So users chose which que
> > they want to send the job. It would be very nice for users to keep on
> > sending the jobs connecting to the same "central server"
> > How do I allocate nodes to a que ?
>
> You can.
> That's what the resources_default.neednodes - attribute is for.
>
> 1) Create a new queue named e.g. SGIq.
> 2) Give the queue the needed attribute:
>
> Example:
> qmgr> set queue SGIq resources_default.neednodes=is_sgi
>
> 3) Create the new SGI node (either via qmgr or via nodes-file) and give it
> the attribute is_sgi.
>
> Example:
> qgmr> create node <hostname> np=8,properties=is_sgi
>
> And now users should submit to queue SGIq.
>
> > Also, what happens if a user sends a 2processors job, so there's 2
> > inactive processors, is it possible to allocate jobs till you reach the
> > number of processors ?
>
> Usually that's the whole idea of having a batch system :)
> You should add the number of to the node with "np=<number>" (see above,
> these setups 8 CPUs).
>
> > Would I see the two ques when I issue the command "qstat" ?
>
> Job id           Name             User             Time Use S Queue
> ---------------- ---------------- ---------------- -------- - -----
> 198995.rk001tsd  eng-9999-S5      XXXXXXX          143:54:2 R default
>
> You'll see another entry in the Queue-column.
>
> Hope that helps (and I hope I'm right :)
> Ronny
>
>
>


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