I have a cluster that is up and working with OSCAR 2.2.1 that has a very heterogeneous mixture of processor speeds.
I want to make the scheduler a bit more informed about the nodes. I see an item in the feature requests that discusses adding information about the speed of the node and about the memory in each node automatically in a script. How does one do this manually. I have been reading man pages and help files for a while now, and am no closer to adding this information into the pbs queue or maui config files. I see in either pbs or maui, I should be able to specify information about the RAM or computer speed. I am failing to actually get the information into the right spots.
for pbs I am running qmgr and typing the following command to set the amount of memory
set node nodename.domain.name.edu properties="512mb"
I think this is the wrong command, it just adds the memory as property of the node and does not add it to the resource list. I want to be able to specify something like the following line to request a specific family of nodes out of my cluster.
qsub -l nodes=1:ppn=1,mem=512mb filename
Alternately if I can specify in the Maui config file the relative speed of a node ( on http://www.supercluster.org/mauidocs/12.2nodeattributes.shtml I see that you can set the relative speed of a node from 0.01 to 100) This setting would also work as it would be more transparent to the end user.
I am open to any and all suggestions, and will share the answer I come up with here.
Any thoughts or points to info would be appreciated.
Thanks, Ben Simmons The University of Memphis Mechanical Engineering
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