parents question again

[Matt Pounsett]

On Thu, 22 Jan 2004, Quanah Gibson-Mount wrote:

> Oh, I already posted my idea. ;) Have the nagios.cfg file define the parent 
> for the nagios server.  As long as every host/switch/router has their 
> parents defined, nagios could easily build the map based on who its parent 
> is (what switch it is connected to), regardless of where it is located... 
> Then the hosts configuration files can be the same across multiple nagios 
> servers.  You almost get network dependency map too. :P

Not so.  Take this simple case as an example:

                          Nagios Server A
                                |
                                |
                                |
              Host ii ---   Switch 1 ----- Host i
                                |
                                |
                                |
              Host iii ----  Switch 2 ----- Host iv
                               |
                                |
                                |
                             Nagios Server B


The perspective of Nagios Server A is that Switch 1 is the parent of Switch 2.
Nagios Server B's perspective is that Switch 2 is the parent of Switch 1.
Simply telling each Nagios server which switch they're connected to won't
adjust the dependancies as you appear to desire.

-- 
Matt Pounsett                 CIRA - Canadian Internet Registration Authority
Technical Support Programmer                    350 Sparks Street, Suite 1110
matt.pounsett at cira.ca                                 Ottawa, Ontario, Canada
613.237.5335 ext. 231                                      http://www.cira.ca



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