Re: [Condor-users] Independent configuration of VMs

[Steven Timm <timm@xxxxxxxx>]

> > virtual machines to have different settings. In particular, I
> > would like to assign separate 'Execute' directory for each
> > machine. Have not figured out how to do this while reading manual.
> >  I'm using 6.8.5 version of Condor.
>
> AFAIK all VMs, or nodes, on a particular machine have to share the same
> base execute directory. You could, as part of your job, look at which VM
> you're job is being run under and change to another directory of your
> choice before doing any processing.

As of condor 6.9.5 there is a variable called SLOTx_EXECUTE
whereby you can specify a different EXECUTE directory for each slot, which
can be on a different partition (or better yet, a different virtual
file system on the same physical partition).  This keeps one
runaway job from using up all the scratch disk on one machine.  Especially
handy now that we have dual quad-core machines with 8 slots.  Although
I was the one who requested the feature, I have not yet been able
to implement it on our pool as yet.  IF someone has, let me know how
it works.

Steve Timm


> On our bigger SMP machines I've often wished I could easily split the
> VMs execute directories to separate locations so as to put the disk load
> from each job on a separate physical drive. The above sol'n is all I've
> got for answer to that problem right now.
>
> - Ian
>
>
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