Host dependencies not being picked up...

[Andrew Davis]

Double-checking the docs I think I just realized this...

If I understand this right, the "parents" option is used for Nagios 
itself (prehaps better re-worded as "internally") to define the network 
topology for the core host check. If the switch is down, it won't mark a 
host as Down, only as Unreachable.

For a "host dependency", I have to define something like this:

define hostdependency{
    host_name            Host A
    dependent_host_name        Host C
    notification_failure_criteria    d
    }

define hostdependency{
    host_name            Host B
    dependent_host_name        Host C
    notification_failure_criteria    d,u
    }

Am I understanding this right?

What gets me is that what Nagios seems to call a parent is, to me 
anyway, a network/host dependency. Hosts are dependent on the network 
and services are dependent on hosts. I guess I'm missing where a "host 
dependency" would actually be of any value...

  A. Davis
  Email:     nccomp at gmail.com

  "There is no limit to what a man can accomplish
   if he doesn't care who gets the credit." - Ronald Reagan



Marc Powell wrote:
> On Jun 1, 2009, at 1:46 PM, Andrew Davis wrote:
>
>   
>> The bulk of my systems are behind one of three switches. I just went  
>> through my hosts.cfg file and added the "parents" line and  
>> appropriate switch name for each, but the host dependencies aren't  
>> showing up.
>>     
>
> Parents and host dependencies are not the same thing. parents is  
> probably what you want and have configured correctly based on the  
> information you've provided. Nagios doesn't count them for the summary.
>
> --
> Marc
>
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