NRPE vs NCSA

[Hari Sekhon]

I want to extend my nagios configuration to cover things like disk space 
on servers etc so I need to evaluate which is better for this purpose: 
NRPE or NCSA.

I believe that looking at the (very) brief doc that comes with Nagios 
that NRPE is a server side executor which tells the remote host "go run 
this plug-in and pass the result back to me", whereas NCSA executes 
itself on the host side and then sends the result to a listening NCSAd 
on the monitoring server running Nagios.

So it comes down to active server initiated test or passive client 
initiated test.

While NCSA would reduce load slightly (probably not noticeably though I 
expect), NRPE would allow for a more centralised way of doing things, 
especially since I keep my entire nagios config under svn and like to be 
able to redeploy it centrally.

Does anybody have any advice as to which I should go with? What have you 
used and what are your experiences of this?

-h

-- 
Hari Sekhon


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