Clearing previous flapping states?

[Tim Philips]

Thanks very much!  

I thought and suspected as much but didn't know if I was missing something with regards to being able to clear flapping.


On 1/07/2011, at 1:39 AM, mail at catsnest.co.uk wrote:

> On Thu, Jun 30, 2011 at 12:19 PM, Jim Avery <jim at jimavery.me.uk> wrote:
>> On 30 June 2011 11:42, Tim Philips <timp at rndgroup.co.nz> wrote:
>>> Hi All,
>>> 
>>> Tell me, is it possible to pass a command to the Nagios command file to clear (previous) flapping?  I'm picking no - based on my understanding of the documentation but thought I would ask.
>>> 
>>> The scenario is we have a number of "check software updates" that run and as such we schedule these daily.  There is a scenario within the flapping "period" where there are and aren't updates some of the future "warning or critical" warnings get suppressed.
>>> 
>>> The simple answer that springs to mind for me is to disable flapping for things that are scheduled over x number of hours.  How are other people dealing with such things?
>> 
>> You're right - there is no command you can pass to Nagios to clear the
>> previous flapping state.  You could try disabling flap detection and
>> then enabling it again, but my guess is that Nagios will immediately
>> re-assess the flapping state based on the last 21 checks as soon as
>> you re-enable flap detection and you'll be back where you started.
>> 
>> If your checks are only run daily, then I would say almost certainly
>> flap detection is of no benefit to you and should be disabled for
>> those services.  If Nagios is basing it's assessment of whether the
>> service is flapping on the last 21 checks as described in the
>> documentation (
>> http://nagios.sourceforge.net/docs/nagioscore/3/en/flapping.html ),
>> then since your checks are daily, it could be a couple of weeks
>> sometimes before Nagios decides that flapping has stopped!
>> 
>> IMHO, flap detection is only usually useful for those services which
>> are checked quite frequently.
>> 
> 
> Yup we do the same thing, eg have flap detection disabled in the
> service template for long interval checks.
> The only way I know to clear the flapping status, is to cheat and
> manually schedule the check a load of times (or submit passive checks
> ;)
> 
> --
> Ritchie
> 
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> 
> ------------------------------------------------------------------------------
> All of the data generated in your IT infrastructure is seriously valuable.
> Why? It contains a definitive record of application performance, security 
> threats, fraudulent activity, and more. Splunk takes this data and makes 
> sense of it. IT sense. And common sense.
> http://p.sf.net/sfu/splunk-d2d-c2
> _______________________________________________
> Nagios-users mailing list
> Nagios-users at lists.sourceforge.net
> https://lists.sourceforge.net/lists/listinfo/nagios-users
> ::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
> ::: Messages without supporting info will risk being sent to /dev/null

--
Thanks,

Tim Philips (RHCE)
RND GROUP LIMITED


------------------------------------------------------------------------------
All of the data generated in your IT infrastructure is seriously valuable.
Why? It contains a definitive record of application performance, security 
threats, fraudulent activity, and more. Splunk takes this data and makes 
sense of it. IT sense. And common sense.
http://p.sf.net/sfu/splunk-d2d-c2
_______________________________________________
Nagios-users mailing list
Nagios-users at lists.sourceforge.net
https://lists.sourceforge.net/lists/listinfo/nagios-users
::: Please include Nagios version, plugin version (-v) and OS when reporting any issue. 
::: Messages without supporting info will risk being sent to /dev/null