Freshness checking problems

Brian Murphy brian.murphy at gmx.net
Wed Mar 24 12:35:26 CET 2004


I am having problems with freshness checking.

I have syslog messages from a pair of HA servers coming to syslog-ng and
through a script into a passive check on Nagios. Version 1.0 and 1.1 something.
The messages should come every 5 seconds from each server (Overkill but thats
what I get sent) and I have a freshness check for 60 seconds. i.e. no
message for 60 seconds report it down. That gives syslog-ng 12 chances to get the
message through.

I am seeing heaps of false alarms, the freshness check triggers the
immediate check though it has heard from the passive check. 

I have lots of other passive checks running though the interval on these was
10 minutes and 25 hours, now that I have added the new checks I get problems
with them too. As if the freshness checking, passive check updating cannot
handle the pace.

Does anyone have any suggestions?

TIA Brian

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