On Tue, 27 Nov 2012, Olivier Cortambert wrote:
> So far, I have successfully installed:
>
> 1 Main Icinga instance with pnp4nagios and check_mk. This instance
> checks itself and the icinga satellite.
> 1 Satellite icinga with check_mk. This instance check a few unix
> software.
>
> I have followed this tutorial
> http://docs.icinga.org/latest/en/distributed.html
> However, I do not see the servers monitored by the satellite on my
> main Icinga. I have entered anything about the host monitored by the
> satellite on the main so I am thinking it might be the reason, but
> as I am using check_mk I am wondering which file should I modified.
Are the objects that are being actively checked by the satellite
displaying properly there? If so, there are a few possibilities
(in decreasing order of probability):
1) The "NSCA" programs are not loaded or may be misconfigured.
2) The objects being actively checked on the satellite are not
configured to "obsess".
3) The objects being actively checked on the satellite are not
reflected by identically-named objects set to accept passive
checks on the main instance.
4) There is a communications problem between the satellite and
the main instance.
If the monitored objects on the satellite do not appear to
be working on the satellite you must fix that problem first.
> Is there anything extra that I should do?
In general, for "distributed monitoring" to work, the NSCA
suite must be installed and configured so the master and slaves
match; all the active checks on the active system must be
configured to "obsess" (see "obsess_over_services", "ocsp_command",
"obsess_over_hosts", and "ochp_command" in the doco); the
commands for both hosts and services need to be defined; and
hosts/services on the passive instance need to match those on
the active instance. A clear communications path must also
exist between the active and the passive instance. Is there a
firewall in the way?
If everything else is working normally and you have good comms
between the active and passive instances you should see hints of
a mismatched configuration in the "icinga.log" file on the passive
instance to the effect of "host could not be found" or "service
could not be found".
Cheers!
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