datum=`date '+%Y%m%d%H%M%S'`
mkdir -p /opt/rrd/$datum
echo $datum

for i in *.rrd
do
  echo $i
  rrdtool dump $i | sed 's/<max> 1.2500000000e+07 <\/max>/<max> 1.2500000000e+08 <\/max>/' > $i.xml
  mv $i /opt/rrd/$datum
  rrdtool restore $i.xml $i
  mv $i.xml /opt/rrd/$datum
done