[GE users] fluent license problem

Chris Dagdigian dag at sonsorol.org
Tue Nov 8 10:52:21 GMT 2005

Not enough info for people to easily comment...

Looks like your prolog script has a number of print statements in it.  
Can you show us examples of the output it produces when it runs? Just  
telling us "it doesn't work" is not very helpful! Showing us *how* it  
fails is important.

The prolog output will be important, as will the output of the query  

When you run the command, $SGE_ROOT/$SGE_CELL/common/qlicserve from  
the commandline does it work?

Looks like you are using code snippets from Mark Olesen's writeup,  
I've got a modified version of his 'qlicense' code running but have  
not gotten around to installing the prolog yet. I don't want to post  
the qlicense code in public until Mark has picked a license for it.


On Nov 8, 2005, at 4:33 AM, MBC 4u wrote:

> hi all,
> I am a new user of fluent. I have a load sensor script which tracks  
> free licenses. I submit jobs based on complex resource i.e.  
> license_fluent. but due to some interactive users, sometimes it  
> happens that the grid has dispatched the job and at the same time  
> before the job gets the license, some interactive user occupies the  
> license and the grid job fails.
> I have tried prolog script for this but it dosent work. The script  
> is as follows:
> #!/bin/sh
>     # prolog    # <settings>
>     : ${SGE_ROOT:=/opt/n1ge}
>     : ${SGE_CELL:=default}
>     for i in $SGE_ROOT/$SGE_CELL/common/settings.sh; do [ -f $i ]  
> && . $i; done
>     # </settings>    # the (hard) requested resources
>     rclist=`qstat -r -j $JOB_ID | sed -ne 's/^.*hard  
> *resource_list: *//p'`
>     # <resource_check>
>     # verify that the expected resources actually exist
>     # this should prevent the race condition that occurs between  
> SGE jobs
>     # before the load report (available licenses) gets updated
>     #
>     query="$SGE_ROOT/$SGE_CELL/common/qlicserver"
>     if [ -n "$rclist" -a -x "$query" ]; then
>        echo "query resources   $rclist,slots=$NSLOTS"
>        available=`$query $rclist,slots=$NSLOTS`
>        exitcode=$?
>        if [ $exitcode -eq 99 ]; then
>           echo "re-queue job      $available"
>           echo "-------------------------"
>           exit 99
>        fi
>        if [ $exitcode -ne 0 ]; then
>           echo "error with license query $exitcode"
>           exit $exitcode
>        fi
>     fi
>     # </resource_check>
> Please suggest corrections if any.
> thanks n regards,
> mbc
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