Alert Precedence

Claudio Kuenzler ck at claudiokuenzler.com
Sun Apr 28 12:20:56 CEST 2013


Oops, didn't see your second answer where you said you found it. Sorry.

On Sun, Apr 28, 2013 at 12:20 PM, Claudio Kuenzler
<ck at claudiokuenzler.com>wrote:

> Please paste the config of the host and the service from which you
> received the notification (in UI -> show config).
> Also show the relevant entries of the Nagios event log.
>
> On Thu, Apr 25, 2013 at 5:50 PM, Net Warrior <netwarrior863 at gmail.com>wrote:
>
>> Hi
>> I reviewed my alerts and increased the service check interval as this:
>>
>> this is the service
>>
>> notifications_enabled           1
>>         notification_options            w,c
>>         notification_period             24x7
>>         check_period                    24x7
>>         check_interval                  10
>>         max_check_attempts              3
>>         first_notification_delay        0
>>         notification_interval           15
>>
>> This is the host:
>>
>>         check_interval                  1
>>         check_period                    24x7
>>         notification_period             24x7
>>         max_check_attempts              3
>>         notification_interval           10
>>         flap_detection_enabled          0
>>         first_notification_delay        0
>>
>>
>> So, the host is checked every one minute and on the third failure the
>> alert gets fired, for the service I increased it to check every 10 minutes,
>> so in theory the hosts check happens firts withing 3 minutes, as the
>> service is checked every 10 I should not get any alert on them, but I still
>> get the service notifications after the hosts is down.
>>
>> Any help appreciated.
>> Thanks for your time and support.
>>
>>
>> 2013/4/8 Claudio Kuenzler <ck at claudiokuenzler.com>
>>
>>> This is a "basic dependency" in Nagios. When the host is down (hard)
>>> then you won't receive any alerts for the services defined in this host.
>>> What is likely in your case, is that you have scheduled the service
>>> checks more often or faster to alert before the host check. This will
>>> result in some alerts of services before the actual host down alert comes.
>>> You should check out the event log to determine which checks happened
>>> faster to become a hard critical state.
>>>
>>>
>>> On Mon, Apr 8, 2013 at 5:43 PM, Net Warrior <netwarrior863 at gmail.com>wrote:
>>>
>>>> Hi guys.
>>>>
>>>> I've got a doubt regarding the alerts definitions, I have defined
>>>> several alerts for a host, for example one of them is to check if the host
>>>> is up or down, when the host is down I get the alert as usual ans so on,
>>>> but the other alerts get fired as well, service alerts, my question is, if
>>>> is there a way to tell nagios,  if the server is down, do  not tigger the
>>>> other alerts cuz of course are gonna fail?
>>>>
>>>> Thanks for your time and support
>>>> Best Regards
>>>>
>>>>
>>>> ------------------------------------------------------------------------------
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>>>>
>>>
>>>
>>>
>>> ------------------------------------------------------------------------------
>>> Minimize network downtime and maximize team effectiveness.
>>> Reduce network management and security costs.Learn how to hire
>>> the most talented Cisco Certified professionals. Visit the
>>> Employer Resources Portal
>>> http://www.cisco.com/web/learning/employer_resources/index.html
>>> _______________________________________________
>>> Nagios-users mailing list
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>>>
>>
>>
>>
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>> _______________________________________________
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>> reporting any issue.
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>>
>
>
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