[torqueusers] PBS_NODEFILE munged during file staging?
jacksond at clusterresources.com
Fri Jan 6 17:37:00 MST 2006
It looks this is where CRI picks up the line. Please submit a report
to moab-support at clusterresources.com to get this automatically
registered into the trouble ticket system. We'll get started on this
On Fri, 2006-01-06 at 15:47 -0800, Michael Gutteridge wrote:
> It looks like, inded, wordexp isn't the issue. I did update to the
> latest p5 snapshot, installed the new server and mom. Same behaviour.
> But I just happened to notice- Resource_list.neednodes /seems/ to
> disappear about the same time the job changes state from Q -> R. So it
> could be the scheduler. I'm using Moab 4.2.2p4.
> I just tried a quick test- I shut down moab and ran the same job using
> qrun- this time Resource_list.neednodes is maintained. So I'm going to
> point the finger at Moab after all. Don't know why it'd do that, but
> I'll dig into that now...
> Thanks for the help- sorry for the bogus report...
> On Fri, 2006-01-06 at 12:07 -0800, Garrick Staples wrote:
> > On Thu, Jan 05, 2006 at 05:05:37PM -0800, Garrick Staples alleged:
> > > I've not seen this before and I can't reproduce it over here. I know
> > > that part of the code pretty well and I can't think of any connections
> > > between PBS_NODEFILE and stagein.
> > >
> > > MOM makes a nodefile if the neednodes resource is set on the job. Does
> > > 'qstat -f' show "Resource_List.neenodes" for the job? Be sure to run
> > > qstat as a server manager (pbs_server doesn't let non-managers see
> > > neednodes.)
> > Which scheduler are you using? I wonder if for some odd reason the
> > scheduler is clearing neednodes when stagein is used.
> > (Yes, I'm still struggling to find some sort of connection)
> > > A bug in wordexp would be the prime suspect here. Does it happen when
> > > you rebuild without wordexp?
> > And of course, if it works without wordexp, I'd ask you to try again
> > with a p5 snapshot. There hasn't been any changes to neednodes,
> > nodefile, or a job's env, but the wordexp code got a facelift to better
> > support globbing.
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