[GE users] fluent license problem

MBC 4u mbc_4u2005 at yahoo.com
Tue Nov 8 09:33:42 GMT 2005

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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:
    # 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 $JOB_ID | sed -ne 's/^.*hard *resource_list: *//p'`
    # <resource_check>
    # verify that the expected resources actually exist
    # this should prevent the race condition that occurs between SGE jobs
    # before the load report (available licenses) gets updated
    if [ -n "$rclist" -a -x "$query" ]; then
       echo "query resources   $rclist,slots=$NSLOTS"
       available=`$query $rclist,slots=$NSLOTS`
       if [ $exitcode -eq 99 ]; then
          echo "re-queue job      $available"
          echo "-------------------------"
          exit 99
       if [ $exitcode -ne 0 ]; then
          echo "error with license query $exitcode"
          exit $exitcode
    # </resource_check>
Please suggest corrections if any.
thanks n regards,

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