Question on Theory and Object Definitions

[Andy Stein]

I can't say for sure, but I think the host dependency is more for having a
non-logical host dependency.

What I would suggest is to build your hosts and parents in a topology that
reflects how they are connected.  Then configure your notification options
to not notify you of unreachables.  That will keep you from being told
that host b is down when host a is the cause.

So look at your notification options and turn use c,w,r and not a u.

The only other scenario that I had to deal with is the service check that
you do.  I used a ping for routers and if the latency goes up and packet
loss goes up, then you could use a service dependency to disable
notifications if host-a's latency goes up so that you're not flodded with
all of the downline systems.

Hope this helps...
Andy

> Hey all, my question is in regards to configuration based on "standards"
> or theory.
>
> I am monitoring remote hosts with a simple host check ping command.  I
> had a situation where my local internet connection went down and was
> bombarded with notifications of hosts and services being down when it
> was just the nagios monitoring machine not being able to get out to the
> internet.
>
> In looking at the docs and configuration files I found 2 (maybe more)
> possible ways I could get around this from happening again.
>
> 1. I could set up a "Host Dependency" object with a host object of the
> local internet gateway and have all the remote hosts depend on it.
> Or...
>
> 2. I could just set the "parent" option in all the remote hosts (through
> a template) to the local internet gateway.
>
> I guess my question is what is the difference between "Host
> Dependencies" and the "Parent" option in host objects and when is the
> best time to use either?  Don't they serve the same function?
>
> Thanks in advance.
>
> Jerry Norton
> broadGap Technologies
> 801.763.8056 - 802 East Bamberger Drive - American Fork - Utah - 84003
>
>
>
>
>
>



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