[xcat-user] PBS and resources_max.nodes = n

[garrick]

Most resource_max attributes are _merely_ advisory to the scheduler; and
in this case, maui ignores them.  Annoying, eh?  Now try to find docs
detailing exactly which attributes are honored; good luck.

Try "set queue sierra resources_max.nodect=32", pbs seems to look at
nodect and rejects jobs that exceed that limit.



On Tue, Oct 15, 2002 at 12:27:10PM -0500, Matthew Bohnsack alleged:
> Hello,
> 
> I'm running OpenPBS 2.3.6 on RedHat Linux 7.3 along with Maui 3.0.7p8.
> 
> I'm trying to set up two queues: One that can run on 32 nodes and one
> that can run on the rest of the 123 nodes that are in my cluster.
> 
> I thought that this could be taken care of in a straight forward manner
> with a PBS configuration like the one that is included at the end of
> this note.
> 
> However, with this configuration enabled, a job invoked as follows works
> fine. i.e., the configuration seems to say that the PBS shouldn't honor
> the request for 200 CPUs in the sierra queue, but it goes ahead and runs
> the job anyway.
> 
> [user at host]$ qsub -q sierra -l nodes=100:ppn=2,walltime=10:00 -I
> <this works fine>
> 
> Am I missing something here?  What do I have to do to enable this kind
> of behavior.
> 
> Thanks
> 
> -Matt
> 
> --- BEGIN PBS CONFIGURATION ---
> [root at host]# qmgr
> Max open servers: 4
> Qmgr: print server
> #
> # Create queues and set their attributes.
> #
> #
> # Create and define queue sierra
> #
> create queue sierra
> set queue sierra queue_type = Execution
> set queue sierra resources_max.nodes = 32
> set queue sierra enabled = True
> set queue sierra started = True
> #
> # Create and define queue scico
> #
> create queue scico
> set queue scico queue_type = Execution
> set queue scico resources_max.nodes = 91
> set queue scico enabled = True
> set queue scico started = True
> #
> # Set server attributes.
> #
> set server scheduling = False
> set server default_queue = scico
> set server log_events = 127
> set server mail_from = adm
> set server query_other_jobs = True
> set server resources_default.walltime = 00:01:00
> set server scheduler_iteration = 60
> set server node_pack = False
> --- END PBS CONFIGURATION ---
> 
> --
> Matt Bohnsack  <bohnsack at bohnsack.com>
> http://bohnsack.com/  http://xcat.org/
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