High Availabilty with Nagios

[Edward St Pierre]

Hi,

I have done this before using drbd for block based replication and
clustering on Redhat, this also could be done with pacemaker/corrosync
clusters also.

Ed


On 9 May 2013 10:51, William Leibzon <william at leibzon.org> wrote:

> On Thu, May 9, 2013 at 2:19 AM, Steve Shipway <s.shipway at auckland.ac.nz>
> wrote:
> > Does anyone have an HA setup for Nagios that works?
> >
> > I'm thinking of creating a NEB module that will link two Nagios setups,
> and
> > replicate over all status changes, config changes, downtime, comments,
> etc
> > etc and then set the 'standby' Nagios to be checks/notifications disabled
> > when in standby mode, and enabled when in active mode.  Then put the two
> > behind a failover load balancer (F5, Foundry or apache reverse proxy).
>
> I've thought several times of doing it but never actually get started
> although I have it all planned out kinda like you.
>
> In the mean time my HA setup which I've done for several customers
> involves config synced using git or svn (script run by cron that
> checks if its something new and then restart nagios if config passes
> tests). Both servers doing checks but config is such that for one
> server all notifications are disabled except for cross-checking of the
> other nagios This is achieved by having common template from which all
> services are derived and this template is in a file specific to each
> server and so one has notifications disabled and the other enabled.
> This is not a full HA in a way that if one server dies you have to
> execute a script that would enable the other servers for notifications
> (this can be done automatically too but I prefer people to do it).
>
> > However this would be too much work if someone else has already found an
> > equivalent solution.
> >
> > I've looked at Merlin but it doesn't seem to do what I'm after (and the
> > documentation is practically nonexistant - much the same as the NEB API
> > documentation, in fact).  Mod_gearman lets me have redundant checks and
> > replicate *active* checks, but not commands, downtime or passive checks.
> >
> > Does anyone out there have a workable way to get an active/standby or
> > active/active Nagios setup?  Would be interested in hearing all ideas...
> >
> > Steve
> >
> >
> > Steve Shipway
> > University of Auckland ITS
> > UNIX Systems Design Lead
> > s.shipway at auckland.ac.nz
> > Ph: +64 9 373 7599 ext 86487
> >
> >
> >
> ------------------------------------------------------------------------------
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> > _______________________________________________
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> > ::: Please include Nagios version, plugin version (-v) and OS when
> reporting
> > any issue.
> > ::: Messages without supporting info will risk being sent to /dev/null
>
>
> ------------------------------------------------------------------------------
> Learn Graph Databases - Download FREE O'Reilly Book
> "Graph Databases" is the definitive new guide to graph databases and
> their applications. This 200-page book is written by three acclaimed
> leaders in the field. The early access version is available now.
> Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
> _______________________________________________
> 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
>
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Learn Graph Databases - Download FREE O'Reilly Book
"Graph Databases" is the definitive new guide to graph databases and 
their applications. This 200-page book is written by three acclaimed 
leaders in the field. The early access version is available now. 
Download your free book today! http://p.sf.net/sfu/neotech_d2d_may
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