Re: [Condor-users] input file locking?

[Junjun Mao <jmao@xxxxxxxxxxxxxxxxx>]

Most likely this is not condor related, as the job was already started 
by Condor. Try to run the program on the node with failure to see if he 
gets the same error. Then you may want to look if NFS is not stable.

Junjun

On Friday 10 November 2006 16:18, David A. Kotz wrote:
> When Condor opens an input file for a job, does it lock that file?  I
> have a user who is submitting hundreds of jobs, all of which refer to
> a directory (NFS mounted) of text files with one number in each.  At
> any given time, there may be several jobs using the same input file. 
> Some of the jobs using a given input file run to completion with no
> problems while others repeatedly fail to run with errors like the
> following in the shadow log:
>
> 11/10 15:10:27 (3744.186) (9335):error: Error: Couldn't open standard
> file 'inputs/in.186'
>
> I've checked the system logs to make sure we aren't having
> intermittent automounter issues or any other system failings.  The
> jobs that fail to run keep failing to run, returning to the idle
> state over and over, even after all of the running jobs have
> completed.
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Dr. Junjun Mao, Research Associate
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