can nagios take some pro-active actions?

[dave stern - e-mail.pluribus.unum]

Ok, everyone agrees event handler can take action to fix a problem but bear in
mind that this comes with caveats. Affectively, nagios event handler is treating
a symptom; the disease goes merely on its way. If a service stops, WHY did
it stop in the first place? Most good sysadmins would tackle the problem from
the system end to insure that the service would never fail again. Furthermore,
let's say a service failed for a reason, eg out of disk space. What
good what it
do to restart the service again? And if you build smarts into the
event handler to
look for and fix such a condition, is that the ONLY condition that could occur
to stop this service?

Having said all this, event handlers do have their place. We in fact use them
to shut down hosts if the temperature gets too hot. You can imagine the
testing we went through before rolling out something like this.



On Thu, Sep 3, 2009 at 7:44 AM, Leonardo
Carneiro<lscarneiro at veltrac.com.br> wrote:
> hello everyone.
>
> Started to play with Nagios a few days ago and i'm very excited with it.
> I have a very small setup (2 linux server being monitored via npre by a
> third linux server) and i'd wrote some bash scripts to monitor some of
> the services that we run on those services (proprietary services,
> non-standard ones like ssh, apache and that stuff).
>
> I know Nagios can send sms, email and other things to warn
> administrators about problems, but can Nagios take any action to fix the
> problem, like restart the service if reach critical state, or restart
> the service if the service stays critical for more than 5 minutes?
>
> If yes, can someone just point me to the direction i should go? :)
>
> Tks in advance, and sorry about my poor english. I'm from Brazil.
> --
>
> *Leonardo de Souza Carneiro*
> *Veltrac - Tecnologia em Logística.*
> lscarneiro at veltrac.com.br <mailto:lscarneiro at veltrac.com.br>
> http://www.veltrac.com.br <http://www.veltrac.com.br/>
> /Fone Com.: (43)2105-5601/
> /Av. Higienópolis 1601 Ed. Eurocenter Sl. 803/
> /Londrina- PR/
> /Cep: 86015-010/
>
>
>
>
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