Distributed Setup of Nagios

[Bradley Radjoo]

Appreciate the valued input ;-)

-----

Regards,

Bradley 


On 19 Aug 2010, at 4:39 PM, Kyle O'Donnell wrote:

> using the professional or enterprise, not sure the branding anymore...
> 
> The mechanism we use to pass event data from the nagios pollers to the top
> level was developed by us.  The methods internal to nagios; using OCHP and
> OCSP, or the performance data processor, to pass events did not meet our
> requirements... it added to much overhead to nagios and was limiting the
> number of active host/service checks a single nagios instance could
> perform.
> 
> The version GW and I hacked together was fairly simple, it was also based
> on some code GW used for another function within their product, but was
> easily recyclable.  It was perl script that ran as a daemon, read in the
> nagios status log, parsed it, sent messages back to the top level nagios
> via nsca.
> 
> It was totally rewritten and a bunch of other features were added by one
> of my colleagues.
> 
> I am not sure if we are allowed to opensource this code... but I would
> sure like the guy who wrote it to! (I know you're watching)
> 
> Outside of figuring the config synchronization of each nagios pollers,
> which you can use monarch for (part of GW), this bit of code would make it
> very simple to build large distributed nagios installs.
> 
> We have done some other significant changes to GW to scale as large as we
> did, but these had less to do with nagios and more do to with GW.  We are
> using a ramdisk for the nagios log directory, which helps quite a bit for
> nagios performance.
> 
> --kyleo
> 
> On Thu, 19 Aug 2010 10:57:23 +0200, Bradley Radjoo
> <Bradley.Radjoo at is.co.za> wrote:
>> Cool :-)
>> 
>> Kyle, I assume you're not using the Community Edition of Groundwork
>> Monitor.
>> 
>> Because I was hoping to find some help on this mailing about a a
>> Distributed Setup using
>> a single instance of Groundwork Monitor Community Edition version 6+
> with
>> multiple Nagios 3 remote servers...
>> This proves to be very hard to come by.
>> 
>> Any help would be really appreciated
>> 
>> On 18 Aug 2010, at 6:17 PM, Kyle O'Donnell wrote:
>> 
>>> 
>>> groundwork monitor
>>> 
>>> 
>>> On Wed, 18 Aug 2010 17:54:36 +0200, Bradley Radjoo
>>> <Bradley.Radjoo at is.co.za> wrote:
>>>> WoW ! That is definately impressive 
>>>> 
>>>> Would this  be the Opsview Community edition Kyle ?
>>>> 
>>>> On 18 Aug 2010, at 5:07 PM, Kyle O'Donnell wrote:
>>>> 
>>>>> we have ~ 30000 services and ~3000 hosts
>>>>> 
>>>>> we have 6 pollers (each have a backup) processing checks and
> forwarding
>>>>> back to a central nagios host.
>>>>> 
>>>>> our busiest poller has ~1000 hosts and ~9000 services... avg service
>>>>> check
>>>>> interval is 5 minutes, but there are a bunch at 1 and 2 minute
>>> intervals.
>>>>> 
>>>>> avg service check latency is less than 1 second
>>>>> 
>>>>> This is ~3yr old hardware too, i suspect we could increase capacity
> by
>>>>> 50%
>>>>> if we move to the new intel nahalems
>>>>> 
>>>>> we dont use active host checks
>>>>> On Wed, 18 Aug 2010 15:51:55 +0100, Ton Voon <tonvoon at gmail.com>
> wrote:
>>>>>> On 18 Aug 2010, at 15:38, Max wrote:
>>>>>> 
>>>>>>> On Wed, Aug 18, 2010 at 7:22 AM, Ton Voon <tonvoon at gmail.com>
> wrote:
>>>>>>>> You may want to look at Opsview (http://opsview.com).
>>>>>>>> 
>>>>>>>> From a single point of configuration, it pushes out the nagios
>>>>>>>> configuration to the remote slaves which are independently running
>>>>>>>> their own copy of Nagios. We have users going up to 25 slaves!
>>>>>>> 
>>>>>>> Cool - how many active service checks / active host checks per
>>> poller?
>>>>>> 
>>>>>> As many as a single nagios instance runs. You can scale out by
> adding 
>>> 
>>>>>> more slaves. We also have a feature where you can have slave
> clusters 
>>> 
>>>>>> to do workload balancing and redundancy, so you can just add another
> 
>>>>>> node if hardware is the issue.
>>>>>> 
>>>>>> The bottleneck would be at the central master, but that is very fast
> 
>>>>>> because of only processing passive results.
>>>>>> 
>>>>>> Ton
>>>>>> 
>>>>>> 
>>>>>> 
>>>>> 
>>> 
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