[GE users] Simultaneous writing to output file

John Hearns john.hearns at streamline-computing.com
Fri Jul 20 08:47:35 BST 2007


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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?  

Parallel NFS to the rescue  :-)
http://www.pnfs.com/

BTW, regarding parallel filesystems, SGE works with Panasas.



-- 
      John Hearns
      Senior HPC Engineer
      Streamline Computing,
      The Innovation Centre, Warwick Technology Park,
      Gallows Hill, Warwick CV34 6UW
      Office: 01926 623130 Mobile: 07841 231235

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