unexpected host status on central server

Marcel Mitsuto Fucatu Sugano msugano at uolinc.com
Wed Apr 12 21:17:26 CEST 2006


The same here, but without active checks on central nagios server. Just
the passive checks coming in. And Centra Nagios did not know how to tell
if the host is down, even with all the services being Critical.

Marcel


On Wed, 2006-04-12 at 11:04 -0700, Trask wrote:
> Hi again, I am having another strange issue with my distributed setup
> (3 distrib. servers sending data to one central server).
> 
> I followed the official docs for a distributed setup.  I am only
> sending the SERVICE checks passively and I have the central server
> (cs) setup to do active host checks.
> 
> The service checks are coming in to the cs correctly, and the cs is
> executing service checks that it should whenever the "freshness" time
> expires.  However, there is something odd going on with host checks.
> 
> Distributed server #1 (ds1) sees that a host is down -- it also sees
> that all of its service checks are failing to CRITICAL.  Since I am
> not doing passive host checks, ds1 sends the information about all the
> failing services, but does not send anything about the host state
> (which ds1 detects (accurately) as being down).
> 
> The cs accurately shows all the services as failing, but it still
> thinks the host is ok.  I am using "check_fping" and the configs for
> the check are the exact some on cs and ds1.
> 
> On DS1, the web interface and running the check_fping command both
> result in this:
> "FPING CRITICAL - 111.222.333.444 (loss=100%)"
> 
> If I run this check manually on the command line on CS, I also get:
> "FPING CRITICAL - 111.222.333.444 (loss=100%)"
> 
> However, cs's web interface shows the status as:
> "UP"
> "FPING WARNING - 111.222.333.444"
> 
> What's going on?  Did I miss some config option on the cs?  This is
> the latest versions of nagios and nsca (v2.2 and v2.6 respectively).
> 
> Thanks for any help!
> 
> 
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