nagios and parenting...

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Eric F Crist
> Sent: Tuesday, January 15, 2008 10:11 AM
> To: <tom.welsh at bt.com>
> Cc: patrick.morris at hp.com; nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] nagios and parenting...
> 
> Tom,
> 
> Thanks for the reply, but my original question is not answered by the
> FAQ you linked.  That sorta leads me toward the correct answer to a
> question I've posted since, but that question was asked in response to
> someone's reply to my original question.
> 
> So, apparently I need to re-pose the question I originally asked,
> since some seem to be confused.
> 
> In regards to parenting and unreachable notifications, is there any
> way to tell the nagios process where within the hierarchy it resides,
> or is this figured out automatically?  At least in my mind, I'd need
> to know where I was on a map to know what was between me and my
> destination to figure out if the problem was somewhere in between, or
> with my destination.

Nagios assumes it lives as the next hop after the last defined parent in
a chain. 

Nagios <- parent <- parent <- parent <- host


If there's something else in-between that you haven't defined as a
parent, nagios has no way to figure out that relationship so everything
between nagios and the last defined parent will be DOWN (including the
last parent) and all others would be UNREACHABLE.

Nagios <- (down host) <- down parent <- unreachable parent <- u parent
<- u host

HTH

--
Marc

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