That works a lot better indeed. Is there a reason updatev can't output such information?<div>If it would just tell me 'mrhb expired, assuming nan' I would have solved this way faster.<br><br><div class="gmail_quote">
On Sat, Dec 4, 2010 at 10:08 PM, Tobias Oetiker <span dir="ltr"><<a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin:0 0 0 .8ex;border-left:1px #ccc solid;padding-left:1ex;">
Wouter,<br>
<div class="im"><br>
Today Wouter van Eekelen wrote:<br>
<br>
> Aren't my updates incremental? The second update has quite a higher value<br>
> than the first one, yet it's still NaN.<br>
<br>
</div>it seems to me that you have set the mrhb to 5 seconds ... while<br>
the step size is 60 seconds ... this is possible but it requires<br>
you to update the rrd at least every 5 seconds ...<br>
<br>
cheers<br>
tobi<br>
<div><div></div><div class="h5"><br>
><br>
> On Sat, Dec 4, 2010 at 9:23 PM, Steve Shipway <<a href="mailto:s.shipway@auckland.ac.nz">s.shipway@auckland.ac.nz</a>>wrote:<br>
><br>
> > Your DS are of type 'derive', with a minimum value of 0. 'Derive'<br>
> > stores the rate of change of the variable, IE (( x - x(prev))/(t-t(prev)))<br>
> > This means you'll need at least two sequential updates, which must be<br>
> > increasing (in order to get a valid positive derivitive) before you'll see<br>
> > anything stored in the RRAs. Since your step is 60s, this means two<br>
> > increasing updates about 1min apart, and more than 2 (4, 13, 145) if you<br>
> > want any of the RRAs with a cdp of more than 1 to show a value (since your<br>
> > XFF is 0.5).<br>
> ><br>
> > Steve<br>
> ><br>
> > *Steve Shipway*<br>
> > University of Auckland ITS<br>
> > *UNIX Systems Design Lead*<br>
> > <a href="mailto:s.shipway@auckland.ac.nz">s.shipway@auckland.ac.nz</a><br>
> > Ph: +64 9 373 7599 ext 86487<br>
> > **<br>
> > ------------------------------<br>
> > *From:* rrd-users-bounces+s.shipway=<a href="http://auckland.ac.nz" target="_blank">auckland.ac.nz</a>@<a href="http://lists.oetiker.ch" target="_blank">lists.oetiker.ch</a>[rrd-users-bounces+s.shipway=<br>
> > <a href="http://auckland.ac.nz" target="_blank">auckland.ac.nz</a>@<a href="http://lists.oetiker.ch" target="_blank">lists.oetiker.ch</a>] on behalf of Wouter van Eekelen [<br>
> > <a href="mailto:wouter.van.eekelen@serverffs.com">wouter.van.eekelen@serverffs.com</a>]<br>
> > *Sent:* Sunday, 5 December 2010 8:09 a.m.<br>
> > *To:* <a href="mailto:rrd-users@lists.oetiker.ch">rrd-users@lists.oetiker.ch</a><br>
> > *Subject:* [rrd-users] RRDTool not accepting any updates (NaN instead)<br>
> ><br>
> > I'm having a huge trouble with RRDtool, all updates I'm doing are<br>
> > accepted as 'NaN'<br>
> > Here is are all commands with output:<br>
> ><br>
> ><br>
><br>
<br>
</div></div><font color="#888888">--<br>
Tobi Oetiker, OETIKER+PARTNER AG, Aarweg 15 CH-4600 Olten, Switzerland<br>
<a href="http://it.oetiker.ch" target="_blank">http://it.oetiker.ch</a> <a href="mailto:tobi@oetiker.ch">tobi@oetiker.ch</a> ++41 62 775 9902 / sb: -9900<br>
</font></blockquote></div><br></div>