Nagios-devel digest, Vol 1 #1058 - 2 msgs

[Vegard Hanssen]

There is a problem with defining check-host-alive to check_nrpe.

A normal problem in my setup:

One host get a too high load. This will time out the nrpe checks, giving 
me 5-10 sms for the timeout, and then (2 minutes later) the same sms for 
OK. The host isn't down, it's just in a very busy state, and I know this 
since I don't get a host down message. If I change the check-host-alive 
to nrpe I will then get a host down message, which can mean anything 
from high load, host is unreachable or host is actually down. Host down 
= I have to drop everything and get to work, High Load = let's give it a 
minute to cool down first.

I could do the same as Øysten Bleie suggest, but I'm not sure that's 
good either. Actually I'm not sure what's best to do, so I've for the 
moment stuck with all the sms.

Vegard

sean finney wrote:

>hi,
>
>On Fri, Apr 21, 2006 at 09:30:56AM +0200, oystein.bleie at aftenposten.no wrote:
>  
>
>>If for some reason nrpe stops ( perhaps by mistake ) we get a CRITICAL message for each and every check on that particular host -
>>
>>Of course this may be due to a misconfiguration on our site but I seem to be unable to pin point exactly what we have misconfigured.
>>    
>>
>
>i think the general consensus is that this is the way things are
>supposed to be.  general consensus: please correct me if i
>am mistaken :)  a similar analogy would be check_http failing
>to retrieve a specific URL if a web server were down.
>
>if you'd like to have a host w/nrpe show up as "down" if nrpe
>is not running, i would suggest to use some invokation of
>check_nrpe or check_tcp as the check_host_alive definition
>for such hosts.
>
>
>
>	sean
>  
>


-- 
Mvh / Kind regards


Vegard Hanssen
Xait A/S

vegard.hanssen at xait.no

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