[torqueusers] run time cpuset
hocks at sdsc.edu
Thu Aug 22 14:36:19 MDT 2013
I agree, an opt-out option for users is not want I want either. I would
like it as pbs_mom startup option so I could start torque without
setting up cpuset.
In past releases /dev/cpuset would have to be mounted before the mom
start, otherwise torque would report an error and not use it:
pbs_mom: LOG_ERROR::initialize_root_cpuset, cannot locate
/dev/cpuset/cpus - cpusets not configured/enabled on host
Unfortunately the torque.4.2.4 does indeed mount it so that's
not an option any longer.
On Thu, 22 Aug 2013, David Beer wrote:
> I don't believe that part ever got added to the code. It would be a little
> tricky to add, as a lot of admins wouldn't want to offer an opt-out option
> for users to avoid cpusets. It is something that can be explored but it
> doesn't exist right now.
> On Thu, Aug 22, 2013 at 1:00 PM, Eva Hocks <hocks at sdsc.edu> wrote:
> > I am running torque 4.1.4 with cpuset enabled. For testing purpose I
> > need to disable it at run time. I found the following hint at
> > http://www.clusterresources.com/torquedocs21/3.5linuxcpusets.shtml:
> > 3.5.3 Cpuset Configuration
> > ......
> > If enabled and run on a machine without cpuset support, pbs_mom still
> > executes the jobs, but it logs errors in the log file.
> > A run-time pbs_mom boolean needs to be created to enable/disable it.
> > .......
> > Anybody have any more details on ohs to create the run-time pbs_mom
> > boolean?
> > Thanks
> > Eva
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