Nagios Check Time Issue

[Yueh-Hung Liu]

how many attempts do you configure before a non-OK state becomes hard?


On Thu, Feb 24, 2011 at 7:24 PM, Rus Hughes <russell.hughes at gmail.com> wrote:
> Hi,
>
> I've been investigating an issue we have with Nagios Core 3.2.0 that
> we're running on Redhat 5.4. We're being a bit ruthless and have
> configured retry_check_interval and normal_check_interval to both be 1
> on all hosts and services (20 hosts and 293 services).
>
> We're seeing massive delays between checks getting run for services
> flagged as DOWN, even though the box has little load (0.2)
>
> Looking at the extended information page for a service that was DOWN
> we're seeing events like this occur :
>
> At 10:40 a service that was DOWN had a check that was scheduled to run
> at 10:25 but still hadn't run
> At 11:02 I refreshed the page for the Nagios check
> Nagios had run the check and changed the service state to UP
> The last check time was set to be 10:25 though
> Even though the check actually ran between 10:40 and 11:02
>
> Does anyone know why
>
> 1) Nagios is being 'lazy' when rechecking services marked as DOWN ?
> We've configured retry_check_interval to 1 for all checks and theres
> little load on the box and at most only about 4 Nagios processes
> running at a time, so there are resources free to be used ..
>
> 2) Why Nagios is marking the Last Check Time to be the predicted Next
> Scheduled Check time, even though the real time the check one is way
> after? (Bug in Nagios?)
>
> Thanks,
>
> Rus
>
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