RRD tool retrieve maximum value

Question

am trying to get the speed and maximum values for all of my interface using rrdtool using rrdtool fetch ... etc but the max value is for the standard time

ex :

rrdtool fetch xxx.rrd MAX -r 7200 -s 1357041600 -e now

i just need to get the highest maximum value for 1 year

Answer 1

Use rrdtool graph VDEF and PRINT without giving any actual graphing commands. This will return the number you are looking for.