[rrd-developers] Re: Restarting devices

[Tobias Oetiker]

Tuesday you sent me mail regarding [rrd-developers] Re: Restarting devices:

*> > The question I initially meant to ask is still dangling:
*> > The average values 5696416 and 5489639 obtained for the 500-second interval
*> > just following the presumed counter reset (or even their adjusted 300-second
*> > interval values, I believe) exceed the maximum value (256000) I specified for
*> > the DS;  why does RRDtool go through with the calculations for the next
*> > interval, using these 'bad' values?  Shouldn't it come up with NaN for the
*> > 949002300 interval?
*> > 

rrdtool only comes up with NaN for an interval if more than Minimal required
heartbeat seconds of the interval are UNKNOWN ... 

the DS min/max specs are tested after each STEP interval ... it might be
argued that this test should occur after each update instead ... 

cheers
tobi


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