[rrd-users] Re: indicate collector down on graph

[Leif Neland]

Ford, Andy wrote:
> I'm collecting some ping-time type data with a timeout and I want to
> differentiate on the graphs between collector failures and target
> failures.
> Right now, if I timeout or if my collector is down I get the same
> thing: an empty graph.
> I need to have say, a red block in the graph data area if the ping
> target is down, or yellow if the collector is down.

You must enter some value, like 0 or -1 when you get a timeout.
When the collector is down, you already get a NaN.

Then you must have the appropriate logic in rrdgraph to handle those values.

Is that enough clues, or should I provide an account for consultant fee? :-)

Leif

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