Child host notify status problem

Thomas Stocking tstocking at groundworkopensource.com
Tue Mar 27 22:46:50 CEST 2007


James,
Nagios should be setting the dependent hosts to an unreachable status 
when the parent host is down. This is the logic that allows you to 
suppress notification for hosts being down "downstream" of a router that 
fails.
The most common problem I have seen with this is that the host notify 
options are actually set to tell you when the host is Unreachable. Take 
the "U" out of the host notifiy options, and you should not see this 
happen any more.
If, however, the hosts are set to status DOWN, then something else is 
going on. You may be overloading Nagios, or some other inhibitor is 
affecting it's ability to set the dependent hosts Unreachable.
    Thomas

James Tran wrote:
> Hi i have some parent/child settings on my hosts
>
> All of my servers are set to be child hosts to 1 ROUTER. I had tried to 
> test my notifications by unplugging the ethernet interface on the server 
> running nagios to see if i get a million host notifications and of 
> course i still do.
>
> I wanted it to setup to check if the router is down first before sending 
> any notifications from the children hosts. For some reason though the 
> child hosts keep sending both service and host notifications through 
> even though it knows the router is down. So every time it knows the 
> router is down it still sending about 50 emails to me saying all my 
> hosts are down.
>
> I even tried to double it up by setting host dependencies up by setting 
> all hosts dependent to the router but they still send notifications.
>
> Is there any little setting in here i'm forgetting?
>
> Thanks,
> James
>
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