Re: [Nagios-users] what does 'Report Period' field do in Availability report (2.x) ?

[Andreas E. <ae...@op...>]

Stanley Hopcroft wrote:
> Dear Folks,
> 
> Nag 2.x seems to have introduced a new field in the availability report 
> CGI panel (http://your_nag/nagios/cgi-bin/avail.cgi?... the third panel
> that looks like 
> 
>      Report time Period:                        [None___________]
> 
> The new field is 'Report Period' and allows the selection of one of the 
> configured timeperiods (24x7, none, workhours etc).
> 
> What does this 'Report Period' field do ?
> 
> Does it mean that availability is only computed for that time period ?
> 

Right in one.

> (so that availability for the none time period is always 100% and 
>          availability for the 24x7 time period is always the sum of
>           the down times/reporting interval * 100).
> 

Availability for the "none" time period is 0%, since it has been up a 
total of 0 seconds (division by zero workaround makes it 0% available), 
otherwise it's as described.

> In other words, that downtime falling outside the time period is ignored 
> ?
> 

Yes.

> If so, this is a great adddition and makes reporting for SLAs feasable.
> 

Indeed. I believe it was Mikael Medin who wrote the patch to introduce it.

Incidentally, we patch out "None" when no timeperiod is selected, so as 
to not introduce "None" vs "none" problems, but that's just cosmetics.

-- 
Andreas Ericsson                   and...@op...
OP5 AB                             www.op5.se
Lead Developer