Hi Phil
Have you, or anybody else on the list, got an example of such a script?
Thanks Vernon
-----Original Message----- From: Phil Wild [mailto:philwild at gmail.com] Sent: Thursday, 30 October 2008 4:43 PM To: hobbit at hswn.dk Subject: Re: [hobbit] Graph definitions
Hi Vernon,
You need to write your own backend data collector and have hobbit pass the data to it through a change in hobbitlaunch. You parse the data yourself at the server side and then build a single rrd file for every entry. You then use the FNPATTERN as you have already specified...
From memory, I think this is lightly covered in the man pages.
Cheers
Phil
2008/10/27 Everett, Vernon <Vernon.Everett at woodside.com.au>:
Hi all
Is there any way to define a graph definition for values that may or may not be available.
Let's work with CPU temperature, just as an example.
In hobbitserver.cfg, I can define this NCV_systemp="*:GAUGE" (And the other ncv definitions) It then generates rrd files for all the servers.
However, some systems have 1 cpu, some have 2, and some 4. So the rrd files only have entries for the number of CPUs.
In the hobbitgraph.cfg we can define the graph, with 4 cpu temperatures, but if the rrd file doesn't contain 4 fields (i.e. system has only 2 CPUs), it doesn't generate a graph. It is also not possible to have a separate graph definition for 1, 2 and 4 CPU systems.
The other way round it, is to have each CPU in a separate file, and define FNPATTERN= with a wildcard. But how do we get the ncv module to put each field in a sepreate rrd file?
Regards Vernon
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