Monitoring services that span hosts?

[Subhendu Ghosh]

On Fri, 11 Apr 2003, Benjamin Feen wrote:

> > > Now, there's a whole three-tier architecture behind these URLs:
> > > web01 web02 web03
> > > app01 app02 app03
> > >    db01  db01
> 
> > If the custom plugin checks the entire transaction - it should be a 
> > service for the front end web server.
> > 
> 
> Ah, but there's the problem: the check is being transparently load-balanced.
> It could be hitting any of the webservers, and that's fine with me -- what
> I'm checking is whether it works *at all*. 

Associate with the load balancer(s)


> 
> So:  sounds like I *must* associate this check with some actual host?
> Can I create a dummy host with a null host check command to act as a container
> for this kind of check?
> 
> What if I were monitoring the ambient temperature of my bedroom?
> What host would that check be associated with?  Just associating
> it with the Nagios host seems so messy...
> 
> 

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