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Quellcode

$ cat /scripts/sdparm-idle 
#!/bin/sh

if [ -z "$1" ]; then
 echo "DISK angeben"
 exit 0
fi
disk="$1"
interval=300
step=30
#debug=yes

l_debug(){
if [ "$debug" = "yes" ]; then
   logger "sdparm-idle debug: $@"
fi

}

state=`cat /sys/block/$(basename $disk)/stat`
count=$interval
up=1

while [ true ]; do
   sleep $step
   newstate=`cat /sys/block/$(basename $disk)/stat`

   l_debug count $count / up $up / state $state / $newstate
   if [ "$state" = "$newstate" ]; then
      if [ $count -gt 0 ]; then
         count=$(($count-$step))
      else
         count=$interval
         if [ $up = 1 ]; then
            logger "sdparm-idle: Festplatte wird angehalten"
            sync
            state="$newstate"
            sdparm --command=stop $disk
            up=0
         fi
      fi
   else
      logger "sdparm-idle: Festplatte ist aktiv, warte $interval Sekunden"
      count=$interval
      state="$newstate"
      up=1
   fi
done &

Quellcode

$ cat /etc/local.d/20-sdparm-idle.start 
nohup /scripts/sdparm-idle /dev/sdb  &>/dev/null &
nohup /scripts/sdparm-idle /dev/sdc  &>/dev/null &
sleep 2