Hi all,
I am trying to customize and optimize our Oscar 3.0 cluster, and two doubts arose:
1.- Are the resource manager extensions implemented in the pbs shiped with Oscar?
You'll have to be more specific here... I'm not sure what you mean.
2.- Since our cluster is quite heterogeneous in cpu speed (at least 3 clock speeds) and we
have 2 different switches, we would like our parallel codes been expanded along same speed cpus, all of them connected to
the same switch. I now how to do one of each contraint separatelly, by means of the nodesets, but I don't know how to impose
both contraints at the same time. It is possible to define two nodesets, and to select the nodes from the intersection of both nodesets? There are other way to impose that?
I think there is a way to do this w/ PBS. You will need to manually add "resource" descriptions on each node, and then specify all the resources on the job submission line (qsub) that you wish your nodes to match. So this basically means:
Edit your /var/spool/pbs/server_priv/nodes file to add the resource descriptions and restart the server.
Then, on your job submit command:
qsub -l nodes=6:ppn=2:clockA:switchB job_script.pbs
(assuming clockA and switchB are resource descriptions you've used)
Also, if installing a new OSCAR cluster, I recommend leaving out the included PBS package and using the Scalable PBS (a.k.a. Torque) instead. You can get it from OPD during installation, along w/ the CluMon package.
Thank you,
Carlos
-- Carlos Vasco Ortiz (ITP Tecnolog�a y M�todos) Tel: 34 91 207 91 21 [ITP-only internal ext.: 91 21] Fax: 34 91 207 94 11 mailto:[EMAIL PROTECTED]
