[torqueusers] Torque 2.5.x->4.x upgrade finding already-running jobs?

David Beer dbeer at adaptivecomputing.com
Fri Jul 27 09:26:38 MDT 2012


Lloyd,

If you don't use cpusets then the change to hwloc won't affect you at all.
You have to configure cpusets on in order to use them. At any rate I'm
interested to hear about the results your test.

David

On Fri, Jul 27, 2012 at 9:22 AM, Lloyd Brown <lloyd_brown at byu.edu> wrote:

> Interesting.  I didn't explicitly enable either one.  I don't know
> about the hwloc stuff in 4.x, but don't I have to explicitly compile
> in the cpusets code in 2.x?  I don't think I did, in this case.  Would
> that have an effect?
>
> In any case, this is why I'm testing this on a staging cluster, not on
> our production system.  If I can pull it off, then we can upgrade
> without needing to drain the whole cluster.  If not, then we're no
> worse off than if I hadn't tried.
>
> Lloyd Brown
> Systems Administrator
> Fulton Supercomputing Lab
> Brigham Young University
> http://marylou.byu.edu
>
> On 07/26/2012 07:49 PM, Christopher Samuel wrote:
> > To be honest I wouldn't even try that, 4.x uses hwloc rather than
> > its own cpusets code so I don't believe it's worth the risk.
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-- 
David Beer | Software Engineer
Adaptive Computing
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