Re: [Condor-users] How To TroubleShoot Flocking

["John Alberts" <Alberts@xxxxxxxxxxxxxxxxxx>]

Finally got it to work.  What I did was create a small script called
gethost.sh that simply calls hostname, instead of directly running
hostname.

For some reason, trying to just run hostname was causing the
condor_exec.exe failed error message.  I'll have to do some more
troubleshooting to determine if it was because no files were actually
transferred, or some problem/incompatibility with running hostname.

Thanks for all of the help.


John Alberts
Technical Assistant for EMS
alberts@xxxxxxxxxxxxxxxxxx
219-989-2083
CLO 332
http://public.xdi.org/=john.alberts


-----Original Message-----
From: condor-users-bounces@xxxxxxxxxxx
[mailto:condor-users-bounces@xxxxxxxxxxx] On Behalf Of Erik Paulson
Sent: Tuesday, July 11, 2006 10:52 AM
To: Condor-Users Mail List
Subject: Re: [Condor-users] How To TroubleShoot Flocking

On Fri, Jul 07, 2006 at 03:46:00PM +0100, Kewley, J (John) wrote:
> 
> I have still never quite worked out why
> 
> "NOTE: The combination of:
> 
>   should_transfer_files = IF_NEEDED
>   when_to_transfer_output = ON_EXIT_OR_EVICT
>  
>  would produce undefined file access semantics. Therefore, this
combination is
>  prohibited by condor_submit."
> 
> It is obviously something obvious, but I haven't twigged it yet.
> 

To support transfering modified files, files in-flight live in the
$SPOOL
directory, which is usually not shared. This can cause problems when
your
job runs on machines that need file transfer, get evicted, and starts
running again on a machine that does not need file transfer. 

-Erik

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