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

[oystein.bleie at aftenposten.no]

Hi again -

First of all - i said that we did passive checks - but i meant active   :- ( 

This is because the hosts in question all are in different dmz'

 

 

Secondly:

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.

 

f.x.

1) I stop nrpe on host xxxx

2) What I want and would expect is a message telling me that nrpe is down on that host - that and nothing more.

 

But - we get a CRITICAL-message for each chech on that host - which seems to indicate seriouse problems - but in fact it's only nrpe which has stopped -

 

Of course this can be handled by setting up a lot of dependencies but this 

Should in our opinion be handled by nagios - as a default.

 

(as a parallel to host down-situations)

 

 

Regards

ØysteinCB

 

Ps

mail resent - this time with no screen-shots as the first one seems to have been rejected 

 

 

 

 

 

 

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Sendt: 21. april 2006 05:21
Til: nagios-devel at lists.sourceforge.net
Emne: Nagios-devel digest, Vol 1 #1058 - 2 msgs

 

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Today's Topics:

 

   1. Re: dependencies on nrpe in nagios (Andreas Ericsson)

   2. Re: to few notificationlevels in nagios (Andreas Ericsson)

 

--__--__--

 

Message: 1

Date: Thu, 20 Apr 2006 11:30:34 +0200

From: Andreas Ericsson <ae at op5.se>

To: oystein.bleie at aftenposten.no

Cc: nagios-devel at lists.sourceforge.net

Subject: Re: [Nagios-devel] dependencies on nrpe in nagios

 

oystein.bleie at aftenposten.no wrote:

>   

> 

> Hi again -

> 

> There seems to me to be a "bug" in nagios v1.x (and possibly in v2.x) -

> 

>  

> 

> We run passive checks of hundreds of hosts in several dmz's

> 

> If for some reason nagios loses contact with a server - network error f.x. - we get a huge amount of CRITICAL-messages from nagios. One for each service defined actually on the host in question.

> 

 

You should only get 1 notification, namely a "host down".

 

>  

> 

> It would be a lot better for nagios to - by default - let all services depend upon a successful check of nrpe.

> 

> If checking nrpe is ok - do the rest of the checks

> 

> Otherwise don't - and issue a message indicating nrpe-check failed.

> 

 

Passive checks don't use NRPE.

 

Anyways, read the docs for service-dependencies.

 

-- 

Andreas Ericsson                   andreas.ericsson at op5.se

OP5 AB                             www.op5.se

Tel: +46 8-230225                  Fax: +46 8-230231

 

 

--__--__--

 

Message: 2

Date: Thu, 20 Apr 2006 11:32:36 +0200

From: Andreas Ericsson <ae at op5.se>

To: oystein.bleie at aftenposten.no

Cc: nagios-devel at lists.sourceforge.net

Subject: Re: [Nagios-devel] to few notificationlevels in nagios

 

oystein.bleie at aftenposten.no wrote:

>   

> 

> Hi -

> 

> In nagios v1.x (and possibly in 2.x) we have these notificationlevels: ok, warning and critical.

> 

>  

> 

> I would like to have more notificationlevels to play with.

> 

> If we compare with IBMs Tivoli they have several more levels Harmless,Warning,Minior,Critical and Fatal.

> 

> Tivoli also enables you to define your own level (not to straightforward though)

> 

>  

> 

> It seems to me that it would be easy to implement new levels in nagios also.

> 

> F.x.a return-code of 4 might be defined as "fatal" or "catastrophic"

> 

 

Nagios does this too, but with a much higher level of granularity, 

through the use of escalations. That way you can specify for how long a 

critical state should be considered non-fatal, which is something Tivoli 

can't do.

 

-- 

Andreas Ericsson                   andreas.ericsson at op5.se

OP5 AB                             www.op5.se

Tel: +46 8-230225                  Fax: +46 8-230231

 

 

 

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