Hello,
i am using mrtg to monitor the temperature of my HD.
The monitor script outputs this:
43
43
undef
undef
The logging is in rrdtool format. Unfortunately in the .rrd file appears
only nonsense or nothing. So i tried to debug the situation like this:
rrdtool create temperature.rrd --step 300 DS:temp1:GAUGE:600:-273:5000 \
DS:temp2:GAUGE:600:-273:5000 \
RRA:AVERAGE:0.5:1:1200 \
RRA:MIN:0.5:12:2400 \
RRA:MAX:0.5:12:2400 \
RRA:AVERAGE:0.5:12:2400
rrdtool update temperature.rrd N:43:43
rrdtool fetch temperature.rrd MIN -s -1h
rrdtool update temperature.rrd N:43:43
rrdtool fetch temperature.rrd MIN -s -1h
The fetch output is:
temp1 temp2
1088600400: nan nan
1088604000: nan nan
1088607600: nan nan
What's wrong ? Where are my values ?
Greets, Sven
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