Distributed configuration issue with staleness (thresholds?)
Paul L. Allen
pla at softflare.com
Wed Jun 29 00:34:07 CEST 2005
Greg Cockburn writes:
> For the most part it seems to be good, except that service checks go
> stale before the remote server has a chance to send a passive check
> result.
Is the master host running NSCA under xinetd? If so, check your logs
to see if xinetd thinks you're getting so many connections there's a
denial of service attack and disabling NSCA for a while. There is
something in the NSCA docs or in the Nagios FAQs about twiddling
xinetd's limits if this is happening to you.
You might also want to consider the values of check_interval on the
two machines.
> The problem with this is I get a few false positive notifications.
> (not good at 3am in the morning) The other weird thing is, that the
> Master host tries to do an 'active' check of the service, even when
> active checks are disabled for that service on the master. Why?
Because that's how it's designed to work. It's explained in the
documentation about passive and distributed monitoring.
--
Paul Allen
Softflare Support
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