Inconsistency of Nagios

[C. Bensend]

I think you'll have to write one...  check_procs is not helpful
in this case, as the daemon forks off many processes to run plugins.
Just checking for number of Nagios processes won't help, as it won't
be aware of parent/child relationships.

Now, mind you, I *do* run check_procs on my Nagios servers just to
make sure I don't have runaways.  But it won't tell me if I have more
than one daemon running.

If you really want to work on this, you'll have to write a plugin
that is able to follow the parent/child relationships (take a look
at the ps man page) and is able to determine if there's more than
one parent process.

I *think* that is a decent direction to go.


> Slightly off topic, but how best to write nagios check that checks for
> this specific behavior (multiple instances of nagios running) ?
>
>
> ----- Original Message -----
> From: "Mike Guthrie" <mguthrie at nagios.com>
> To: "Nagios Users List" <nagios-users at lists.sourceforge.net>
> Sent: Wednesday, January 2, 2013 3:23:58 PM
> Subject: Re: [Nagios-users] Inconsistency of Nagios
>
>
>
> Typically when I've seen behavior like this, it's because there are
> multiple parent processes of Nagios running, so both instances are
> launching checks, and reaping each others results. Try killing off all
> Nagios processes, and then starting it fresh again to see if that resolves
> the issue.
>
> /etc/init.d/nagios stop
> killall -9 nagios
> /etc/init.d/nagios start
>
>
>
>
> On 1/2/2013 4:38 AM, Srikanth Gumma wrote:
>
>
>
> Hi,
>
>
> I need some help regarding nagios.
>
>
> We have around 500 Linux servers for which we are doing a ping and ssh
> monitoring only. The entire functionality is based on remote and no NRPE
> service is deployed. However I see very inconsistency on nagios
> functionality. sometimes I don't see any updates on the nagios console for
> more than one week.
>
>
> Our Nagios is installed on CentOS6.2 OS and it's the latest version Nagios
> Core 3.4.3. and I could only see some messages like below in
> /var/log/messages
>
>
>
>
>
> 'SSH' on host 'xyz' looks like it was orphaned (results never came back).
> I'm scheduling an immediate check of the service...
>
>
>
>
> any help is highly appreciated.
>
>
>
>
> Regards
> Srikanth
>
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> --
>
>
> Mike Guthrie
> Technical Team
> ___
> Nagios Enterprises, LLC
> Email: mguthrie at nagios.com Web: www.nagios.com
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