'Disable Host Checks' not working?

[Andreas Ericsson]

Steve Shipway wrote:
> Hi - I appear to have found something which is not working as expected.
> 
> As I understand it, if you disable host checks for a host, then it will
> remain in its current state and no checks will be attempted.
> 
> However, even with host checks disabled, they are still occuring!  See this:
> 
> Host Status:   DOWN  (Has been acknowledged)   
> Status Information: (No Information Returned From Host Check) 
> Last Status Check: 14-06-2005 15:47:37 
> Status Data Age: 0d 0h 0m 40s 
> Last State Change: 14-06-2005 10:22:26 
> Current State Duration: 0d 5h 25m 51s 
> Last Host Notification: 14-06-2005 10:22:26 
> Current Notification Number:   1   
> Is This Host Flapping?   NO   
> Percent State Change: 0.00% 
> In Scheduled Downtime?   NO   
> Last Update: 14-06-2005 15:47:56 
>   
> Host Checks:   DISABLED   
> Host Notifications:   ENABLED   
> Event Handler:   ENABLED   
> Flap Detection:   ENABLED   
>  
> The current time is 14-06-05 15:50.  As you see, it last ran a host check 3
> minutes ago, despire the fact that host checks have been disabled for five
> hours now.  As a side effect of this, the timeout on a ping for the host
> check is causing the Latency to increase on all the services.
> 
> System is Linux kernel 2.4.20, running Nagios 1.2.  Host check in question
> is a default check_ping
> 
> Has anyone come across this before?  Is there a reason for the host checks
> being carried out regardless of the settings?
> 

Multiple instances of Nagios is the most common reason for 
configurations not "biting". Do

/etc/init.d/nagios stop
killall -9 nagios
/etc/init.d/nagios start

and see if that works. State-retention is another reason that's a fairly 
common culprit. If the gui tells you host-checks are enabled, that means 
it has been given a command to enable them sometime in the past and 
nagios remembers it.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Lead Developer


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