[rrd-users] RRD graphing

[Steve Shipway]

> I am having some trouble creating the grapns for my RRDs.  I am trying to graph 48hrs, 10day,
> 60day and 1year.  The 48hour graphs are working fine, but the other graphs only ever show 48hrs
> worth of data.  For example, my 10day (code included below) generates the correct x-axis labels
> but only shows 48hrs worth of data even though I've been collecting data for well over 7 days.
> Below I have included the relevant perl code.  I trimmed the graph creation
> output to just a few DEFs.  Any help would be appreciated.

I think the first thing to check is whether or not there are actually data in the appropriate RRA.   You may have been collecting data for 7 days, but there might not be data in the RRA at the resolution you specify.  This might be due to your XFF setting, if your data are a bit patchy.  Maybe there were enough data to make the daily but not enough for the weekly?

Also, your RRDgraph function call specifies a start time, but not an end time or a step.  Possibly, you are getting the 'daily' RRA when you want to use one of the others?  This seems to be the most likely explanation.  Try making the call specify these as well.

Steve



Steve Shipway
ITS Unix Services Design Lead
University of Auckland, New Zealand
Floor 1, 58 Symonds Street, Auckland
Phone: +64 (0)9 3737599 ext 86487
DDI: +64 (0)9 923 6487
Mobile: +64 (0)21 753 189
Email: s.shipway at auckland.ac.nz
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