Active Host Checks on Nagios 2.5

[Andrew Tjang]

Hello all,

I have a problem where Nagios doesn't execute the active host checks at
all. My system is set up in the following way:

I have about 1000 machines w/ their services set to disable active
check, and get all state info from an external command file (passive
checks).

To this I added 2 hosts w/ services in which I've enabled active checks,
and provided a check command (config below). What happens is the
services get actively checked and updated, but Nagios assumes the host
is up (I guess because the services are returning values), and never
executes the host check. This is troubling because the host check
provides me with important data.

In another instance, I have a host with active check enabled, and its
services' active checks disabled. Here, Nagios just keeps the host and
all its services in a "pending" stage until the services return with
information, again never executing the host check.

Any insight would be extremely helpful. Thanks!
-Andrew


Config of Host:

Template:
define host{
        name                            generic-host-active    ; The
name of this host template
        notifications_enabled           1       ; Host notifications are
enabled
        event_handler_enabled           1       ; Host event handler is
enabled
        flap_detection_enabled          1       ; Flap detection is
enabled
        failure_prediction_enabled      1       ; Failure prediction is
enabled
        process_perf_data               1       ; Process performance
data
        retain_status_information       1       ; Retain status
information across program restarts
        retain_nonstatus_information    1       ; Retain non-status
information across program restarts
		active_checks_enabled		1	;
		passive_checks_enabled		1	;
        register                        0       ; DONT REGISTER THIS
DEFINITION - ITS NOT A REAL HOST, JUST A TEMPLATE!
        }
Host:
define host{
	use     generic-host-active            ; Name of host template
to use       
	host_name   NagiosServer
	alias       NagiosServer
	hostgroups	Nagios
	checks_enabled 1
	check_command check_nagios
	address     127.0.0.1        
	max_check_attempts      10        
	check_period    24x7        
	notification_interval   120        
	notification_period     24x7
	notification_options    d,r        
	contact_groups admins        
}

Command:
define command{
        command_name    check_nagios
	  command_line    $USER1$/check_nagios.pl  
}


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