dirty pages not being flushed in a timely manner

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ps://bugzilla.lustre.org/show_bug.cgi?id=12181



This work-around to the defect is submitted by Nick Cardo of
NERSC. In summary,
before shutdown, you just do a sync if Lustre reports dirty
pages in the cache...


#!/bin/ksh

cd /proc/fs/lustre/osc
for i in `find . -name dirty_cache_pages -print`
do
        cnt=`cat $i`
        if [ $cnt -ne 0 ]
        then
                echo "node has $cnt dirty_cache_pages,
sync them"
        fi
done

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