Hi Tobi,<br> Thanks much for the reply. I am gathering the counters via SNMP and sticking them in the RRD. It could certainly be my script is doing something strange or the counters on the device are bad. Here is an example:
<br><br>1177476720: 9.4890612231e+06 2.9579036894e+06<br>1177476780: 8.5973761145e+06 2.5438812261e+06<br>1177476840: 1.1431781896e+07 2.4706615931e+06<br>1177476900: 7.4283981724e+06 1.6079156964e+06<br>1177476960: 6.4564314793e+06
1.3670967431e+06<br>1177477020: 7.3552319106e+06 1.5764984066e+06<br>1177477080: 7.5163364545e+06 1.8946703756e+06<br>1177477140: 8.8674587301e+06 2.9133983388e+06<br>1177477200: 8.8006863297e+06 2.4467189794e+06<br>1177477260:
7.8335465325e+06 3.4685346764e+06<br>1177477320: 7.0441856350e+06 4.4907708048e+06<br>1177477380: 5.0908686855e+06 2.6347848034e+06<br>1177477440: nan nan<br>1177477500: nan nan<br>1177477560: nan nan<br>1177477620: nan nan
<br>1177477680: 2.8324705690e+08 1.6997104436e+08<br>1177477740: 2.9551147168e+07 1.8751196979e+07<br>1177477800: 1.0710302450e+07 7.3736138421e+06<br>1177477860: 7.2621223932e+06 6.1738161450e+06<br>1177477920: 1.3439222568e+07
5.0075043135e+06<br>1177477980: 1.1995400814e+07 3.4084870120e+06<br>1177478040: 1.1174723730e+07 4.2610384889e+06<br>1177478100: 7.7140599417e+06 4.9523913324e+06<br>1177478160: 1.0547613079e+07 3.4652299262e+06<br>1177478220:
7.3043887142e+06 2.2552235838e+06<br>1177478280: 9.3090210810e+06 5.2120493205e+06<br><br><br>You can see just after the nan's I get a reading that is an order of magnitude higher then everything looks fine. Would you expect that RRD would be able to deal with devices going away for short periods then re-appearing?
<br><br>Thanks<br>Chris<br><br><div><span class="gmail_quote">On 4/25/07, <b class="gmail_sendername">Tobias Oetiker</b> <<a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a>> wrote:</span><blockquote class="gmail_quote" style="border-left: 1px solid rgb(204, 204, 204); margin: 0pt 0pt 0pt 0.8ex; padding-left: 1ex;">
Hi Chris,<br><br>there is no such function within rrdtool, but If you read counters<br>of your device I can not see how you get this spike ... if you<br>calculate information externally, it may be that the external<br>calculation is to blame ...
<br><br>cheers<br>tobi<br><br><br>--<br>Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten<br><a href="http://it.oetiker.ch">http://it.oetiker.ch</a> <a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a> ++41 62 213 9902
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