Failover with Nagios

[Frederico Faria]

Hi,

   I want to define an event handler to notify some  applications  of 
failure in a service. These applications use this service and 
everything is monitored by Nagios.
   When the service failed, these applications will be notified and 
they migrate to use other service ( a backup service ).

    Then I thought to define an event handler ( in the service 
configuration )  to notify the applications in case of failure. It is 
like a hot-swap schema.


   My questions are :

      1-) Is it a good solution to model a failover schema in the 
applications monitored by Nagios ?   Is there other options ?

      2-) In this schema Which is the best way for the event handler 
know the  affected applications:
              a-) define an user macro with the address of applications
              b-) hard-code the application addresses as parameters of 
event handler ?
                c-) other solution ?


      3-) How could I compare this solution with the use of HeartBeat to 
implement this.
       .

  Thank you,

Frederico Faria


-- 
Frederico Charles S. Faria
ATI / ATITEL  Ltda
www.ati.com.br
(31) - 2105-3100




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