sleep_on_disk.sh

#!/bin/sh

sleep 2400

state=`grep "sd[ab] " /proc/diskstats`
same_counter=0

echo "starting" >> /haltit

while [ ${same_counter} -le 60 ] ; do
        sleep 60
        newstate=`grep "sd[ab] " /proc/diskstats`
        if [ "$state" = "$newstate" ] ; then
                same_counter=`expr "$same_counter" + 1`
                echo "SAME ${same_counter}" >> /haltit
        else
                echo "DIFFERENT" >> /haltit
                same_counter=0
        fi
        state="$newstate"
done
echo "halt" >> /haltit
halt