service dependencies not catching all

Assaf Flatto assaf.flatto at ssp-intl.com
Wed Jun 10 11:59:15 CEST 2009


hello list

I have an odd issue with service dependencies 

I have 360 hosts with 2400 services  in my nagios , and i thought i set up an "all encompassing" 
service dependency in order to get only one alert of a host goes down .

define servicedependency{
        host_name                  *
        service_description             PING
        dependent_host_name        *
        dependent_service_description   *
        execution_failure_criteria      c,u,w
        notification_failure_criteria   c,u,w
        inherits_parent         
}
 In my calculation i should be having a list of 2400 dependencies and in the "show config- > service 
dependencies " it should generate a list of 4800 lines .

However when testing nagios -v i get 
Checking service dependencies...
        Checked 968 service dependencies
meaning that a large part of the hosts and service dependencies are not captured .

I do have other dependencies for other services (snmp chekcs relaying on the snmp service being 
active) , and those are in the 968 .

Can anyone tell me why this happens ?
Should i declare the service dependencies for each host individually - that kind of beats the 
purpose of a * declaration in the host.

Thank you 

Assaf



-- 
Assaf Flatto
SSP Ops Team
Linux System Administrator
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