Service scheduling

[Jerad Riggin]

I currently have the normal check at 10 minutes, max attempts at 1,
and retry intervals at 1.

On Nov 9, 2007 9:36 AM, Giles Coochey <gcoochey at sapphire.gi> wrote:
>
> >
> > I have a checkstring service that kicks off every 10 minutes.  After
> > failure it will retry every minute.  We're trying to track
> > availability on some of our servers so this is its purpose.  However I
> > noticed this morning that a host went down, I received a PING 100%
> > packet loss alert, and shortly after within the same minute an alert
> > that it couldn't find the HTTP string.  However, by 7:50 PING was ok,
> > and HTTP didn't return ok until 8:00 AM.  If it's retrying every
> > minute (or should be), why is there such a large gap?
> >
>
> Normal Behaviour:
>
> Scheduling During Problems
>
> So what happens when there are problems with a service? Well, one of the
> things that happens is the service check scheduling changes. If you've
> configured the max_attempts option of the service definition to be
> something greater than 1, Nagios will recheck the service before
> deciding that a real problem exists. While the service is being
> rechecked (up to max_attempts times) it is considered to be in a "soft"
> state (as described here) and the service checks are rescheduled at a
> frequency determined by the retry_interval option.
>
> If Nagios rechecks the service max_attempts times and it is still in a
> non-OK state, Nagios will put the service into a "hard" state, send out
> notifications to contacts (if applicable), and start rescheduling future
> checks of the service at a frequency determined by the check_interval
> option.
>
> http://nagios.sourceforge.net/docs/2_0/checkscheduling.html
>
>

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