Antwort: Notification Timing Problem

[Sascha.Runschke at gfkl.com]

"MJK Nagios" <mjknagios at mjk.org> schrieb am 29.10.2008 23:11:55:

> I seem to be having a rather difficult time getting notifications to
> work the way that I would like.  I'm using a test host to have Nagios
> generate alerts when I take it offline.  Nagios detects and sends
> notifications for the host coming back on-line very quickly.  What I'm
> doing in order to test my config is to then simulate that the host
> fails again in a few minutes.  The problem I'm seeing is that it takes
> Nagios 15-20 minutes to send a notification that the host is again
> down.  This would be useless to me in a production environment; if the
> host drops again -- I need to know about it immediately.

I can't really believe the 2 scenarios you are describing.
You say the first simulated down comes immediatly and the next simulated
down takes 15 minutes to notify... that can't be.

Looking at the history you posted it seems quite obvious to me that
you have defined 10 retries for the host. With a retry interval of
roundabout 1 minute (which is sometimes delayed due to scheduler latency)
you end up with 10-15 minutes until the host enters a HARD state and
nagios generates a notification.

Your setup is working exactly how you configurated it.
If you need immediate notifications, reduce the retry_checks to 1.

Regards
        Sascha

-- 
Sascha Runschke
IT-Infrastruktur

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