Service notifications when host is down

[Sean Dilda]

On Wed, 2004-04-21 at 19:20, Quanah Gibson-Mount wrote:
> Quoting Ben Whaley <Benjamin.Whaley at colorado.edu>:
> 
> >  > I though of setting a 'ping' service check on the host, and making 
> > all other
> >  > checks dependent on it, but that seems to me to be more of a 
> > workaround than
> >  > a solution, and it doesn't fully solve the scheduled downtime
> > problem.
> > 
> > Yes, we had the same idea. I am currently using some other, similar work
> > 
> > arounds to solve problems that Nagios doesn't have a solution for but 
> > they have introduced more problems than they've fixed.
> > 
> > What's strange about this particular case, however, is that Nagios 
> > *usually* catches it. For example, in the following sequence, the host 
> > down alert was generated before the service checks, thus avoiding the 
> > unnecessary notification:
> 
> The consistent problem we have seen with Nagios is that once a host goes 
> down, it only ever emits a single host down alert, and does not keep paging 
> that the host is down (it correctly does not keep paging that the services 
> for the host are down).  Despite querying the list, an answer to this has 
> never appeared.  Perhaps it is time to file a bug on this in sourceforge.

The only time I ever had this problem was because my notification
commands were broken.  Nagios uses different notification commands for
hosts and services, so your service notification command could be
working while your host one isn't.  Did you check the logs to see if
nagios attempted a notification?

In /var/log/messages (on a RHL9 box) I get something like this:
Apr 20 13:00:24 head4 nagios: HOST NOTIFICATION:
sean-emergpager;storage1;DOWN;host-notify-by-epager;/bin/ping -n -U -c 1
10.10.1.1



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