<div dir="ltr"><div class="gmail_default" style="font-family:verdana,sans-serif">Hi,</div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">i followed the example of <a href="http://iwhite-techworld.blogspot.ca/2014/01/monitor-fireplace-water-temperature.html">http://iwhite-techworld.blogspot.ca/2014/01/monitor-fireplace-water-temperature.html</a></div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">It works perfectly.</div><div class="gmail_default" style="font-family:verdana,sans-serif">But i don't know how to create rrd file for multiple sensors.</div><div class="gmail_default" style="font-family:verdana,sans-serif"><br></div><div class="gmail_default" style="font-family:verdana,sans-serif">here is the rrd file for one sensor:</div><div class="gmail_default" style="font-family:verdana,sans-serif"><div class="gmail_default">#!/bin/bash</div><div class="gmail_default">rrdtool create fireplace1.rrd  --step 300 \</div><div class="gmail_default">DS:temp:GAUGE:600:0:80 \</div><div class="gmail_default">RRA:AVERAGE:0.8:1:12 \</div><div class="gmail_default">RRA:AVERAGE:0.8:1:288 \</div><div class="gmail_default">RRA:AVERAGE:0.8:12:168 \</div><div class="gmail_default">RRA:AVERAGE:0.8:12:720 \</div><div class="gmail_default">RRA:AVERAGE:0.8:288:365</div><div class="gmail_default"><br></div><div class="gmail_default">Can you help me, please.</div><div class="gmail_default">Thank you</div><div class="gmail_default">Pascal</div></div></div>