DEPENDENCIES

[Subhendu Ghosh]

On Wed, 8 Feb 2006, Deborah Martin wrote:

> Hi,
>
> I have dependencies working mainly fine. However, i'm still not 100%
> satisfied that its behaving correctly.
>
> Using Nagios 2.0rc2 on suse 9.2 (i've used later releases for testing but
> behaviour is the same)
>
> I have one main service which is a database connection plugin to ensure the
> database is up and running.
> I have 3 additional dependency plugins which do various other checks such as
> ram and disk usage.
>
> When the main database plugin check goes to warning or critical I want to
> suppress email notifications on the 3 remaining checks as there is no point
> in running these (they won't return anything useful apart from timeouts).
>
> However, this rarely happens. Usually, I get the main check email
> notification plus 1 other email notification from one of the dependencies
> (though it may not always be the same dependency)
>
> Is there something i'm missing here ? Why can't it supress all three as i
> would expect ? Do i need to set a parameter setting somewhere ?
>
> My main plugin checks every 5 mins with the dependencies every 20 mins.
> Should i change these timings to something different and if so why ?
>
> This is driving me somewhat insane and any pointers / help would be very
> welcomed.
>
> regards,
> deborah
>

It is possible for the checks to be running concurrently - If the main 
check fails, then the service dependency checks kick in.  but the 
cocurrent check is already in progress and notifications would be sent 
out.

-sg

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