Questions about scheduling

[Hugo van der Kooij]

On Tue, 19 Dec 2006, Andreas Ericsson wrote:

> Yes, for reasons stated above. It gets slightly worse if you have a
> largely linear network (many hosts only have one child), since it also
> has to check parent hosts until it finds the "closest" possible "up" to
> determine where a possible network outage is happening.

Just curious. How will this work if you have something like 5 hosts in 
line in a parent-child relation?

The fastest way would be starting from nagios and work your way to the 
downed host as the average latency on a check on a live host is much 
faster then the timeout you get on downed hosts.

Considere the map as shown on 
http://hvdkooij.xs4all.nl/statusmap-20061219.png

If nagios detects the ipv6 router in the lab to be down and it has to work 
it's way up it has to deal with the timeouts on nlams04 and nlams05.

If it starts polling the other way around it only has to deal with the 
host check latency of the switch and the timeout of nlams05.

Hugo.

-- 
 	hvdkooij at vanderkooij.org	http://hvdkooij.xs4all.nl/
 	    This message is using 100% recycled electrons.

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