Getting parameters and plotting them in terms of % (Percentage)

[Marc Powell]

On Jan 7, 2010, at 7:25 AM, Jatin Davey wrote:

> Hi Marc
> 
> Can you elaborate on what you mean by Nagios does not support it directly.

Nagios only cares about state: OK, WARNING, CRITICAL, UNKNOWN, UP, DOWN. That's all it looks at. The human-readable plugin output is just for humans, nagios doesn't pay any attention to it. Each plugin may also provide Performance Data that can be passed to an addon for further processing. The performance data varies by plugin but usually contains the information you're wanting to graph. http://nagios.sourceforge.net/docs/3_0/perfdata.html might help clarify...

> My understanding is that that the check_nrpe process does not have such provisions to get the data in the manner that i have asked for. Please correct me if i am wrong.

check_nrpe supports the passing of performance data... The key is whether the plugin you are executing provides it and whether you have an addon that looks for it.

> Also i checked PNP4Nagios , it has support for monitoring on linux boxes , Do we have anything similar for monitoring windows boxes as well from nagios. I checked NRPE and it uses the check_nt process to get the data from windows boxes. Does it show graphs similar to what PNP4nagios does.

check_nt does not because it is not a graphing add-on in the same way that check_nrpe isn't. You're confused about what each tool does. check_nrpe and check_nt are just transports. They establish a connection to a remote box, ask the remote box to run a plugin and they then return that output to nagios for further processing.

I don't use any of the graphing addons so my knowledge of them is secondhand. I also monitor very few windows boxes so I don't know if the nagios tools on them support providing performance data but I would be surprised if one or more of them didn't. I would also be surprised if one or more of the graphing addons didn't process performance data received from Windows systems.

Best I can tell you is to Google, read the docs for the various graphing addons and/or wait for further input that may come from others on this list who use those packages...

--
Marc
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