Nagios Cluster with Load Balancing and High Availability

[Andreas Ericsson]

On 12/14/2011 07:19 AM, Aravind M D wrote:
> Quoting Andreas Ericsson <ae at op5.se>:
>>> On 08/26/2011 11:05 AM, Aravind M D wrote:
>> >> Hi
>> >>
>> >> I need to configure two physical servers as active-active cluster and
>> >> configure Loadbalancing with High availabiltiy for Nagios.
>> >>
>> >> Can somebody help me how to achieve this.
>> >>
>> >> I have checked some of loadbalancing modules like mod_gearmen, merlin and
>> >> DNX. If any one knows about the difference between these modules please let
>> >> me know.
>> >>
>> >
>> > If you want loadbalancing with takeover capabilities, Merlin is your only
>> > choice. The other two rely on a single Nagios instance to do scheduling and
>> > notifications. If that instance crashes, mod_gearman and DNX can't help you
>> > get any info at all.
>> >
>> > It might be possible to couple them so that mod_gearman and Merlin work
>> > together, but you'd be entering unknown territory with that mix and I would
>> > be quite surprised if it worked completely without problems the first time
>> > you try it.
>> >
>>
> I like to use merlin for laodbalancing and high availability Nagios setup.
> I have checked the Merlin webpage i can see last release was on 2010-06-18
> after that no new releases. But when i checked the git repository i can
> see latest version is v1.1.12 whether i can use this version for
> producation environment if so how can i get this version.
> 

Our marketing people are ridiculously slow in updating stuff that doesn't
shine, blink, make noises or do all of the above. I'll bash them over the
head a bit.

http://git.op5.org/git/ has instructions on how to use git to clone a repo
from our public git repositories.

>From http://git.op5.org/git/?p=nagios/merlin.git;a=summary you click any
of the snapshot links to get a tarball containing the desired version of
Merlin. Using latest tagged version is usually recommended. As of this
writing, that's 1.1.13-beta1.

-- 
Andreas Ericsson                   andreas.ericsson at op5.se
OP5 AB                             www.op5.se
Tel: +46 8-230225                  Fax: +46 8-230231

Considering the successes of the wars on alcohol, poverty, drugs and
terror, I think we should give some serious thought to declaring war
on peace.

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