[GE users] Re: Simultaneous writing to output file

Dennis Williams dennis.williams at bjss.co.uk
Thu Jul 19 19:58:39 BST 2007

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Thanks for responding. I've resolved the problem by adding the following to my script:
#$ -N job
#$ -S /bin/sh


From: John Coldrick [mailto:jc at axyzfx.com]
Sent: Thu 19/07/2007 19:05
To: SGE List
Subject: [GE users] Re: Simultaneous writing to output file

        Oops - so sorry - running on SUSE 10.0-10.2 systems, using NFS mounts.


On Thursday 19 July 2007 14:04, John Coldrick wrote:
>       I've been tracking down a problem we've had lately where jobs are failing,
> and I have a quick question.  If multiple jobs running on the grid were to
> attempt to simultaneously write to the *same* .o file - is that something
> that SGE handles gracefully, or could it lead to trouble?  We've never had
> trouble with this before, but since increasing the number and speed of the
> systems online, I'm wondering if it's triggered a heretofore hidden
> problem.
>       Thanks for any thoughts,
>       Cheers,
>       J.C.

John Coldrick                  www.axyzfx.com        Axyz Animation
416-504-0425                                         477 Richmond St W
                                                     Toronto, ON Canada
jc at axyzfx.com                                        M5V 3E7
"I was gratified to be able to answer promptly, and I did.  I said I
didn't know."
                -- Mark Twain

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