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I'm just curios, let's say i made a definition for a host and i specified it to check/notify at certain time 10-18 yet in service i said 24/7, who's taking priority? would i get alerts 24/7 or would it fall under host's rules and it'd be 10-18?

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2 Answers 2

I am pretty sure you would get a notification for the service. However, you might not get the service notification if the service is down as a result of the host being down. Nagios configs can be complicated, I always recommend testing.

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+1 for recommending testing. Every time I think I understand part of it testing proves me wrong. :( –  John Gardeniers Mar 9 '10 at 0:27
    
John Gardeniers: Ya, Nagios config can be tricky and have edge cases, check out this edge case I ran into: ideas.nagios.org/a/dtd/19130-3955 –  Kyle Brandt Mar 9 '10 at 1:21

Note that a service failure can trigger a host check. So if it's outside of the host check time period, but the service check fails, I believe it will specifically request a host check. If the host is down and you are outside of the notify time period, I believe it will swallow your alert. This may or may not be what you intend.

However, it seems odd that you would check the service 24/7 but the host it runs on only 8/7.

As with all things nagios, make sure you test both service and host failures in the different time periods to ensure it is acting as you expect.

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