Nagios CRASHING - Passive External Commands

Fred Reimers FReimers at infosysinc.com
Fri Jan 23 21:32:09 CET 2004


Jim,

The last rev of the script is working fine.  I'm effectively monitoring 3200 devices while only sending approx. 64 checks to Nagios per hour to send status changes and all problem responses.  There's hardly any processor utilization until Apache kicks in.

Thanks again,

Fred




-----Original Message-----
From: Jim Mozley [mailto:jim.mozley at exponential-e.com]
Sent: Friday, January 23, 2004 12:26 PM
To: Fred Reimers
Cc: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Nagios CRASHING - Passive External Commands


Fred Reimers wrote:


> Good idea.  I would also have to do my own status checking to see if the results are a change in status between ok,warning,critical, which is possible.
> 
> I was hoping to use the freshness checking feature of Nagios to ensure that the background processes are working.  
> 
> I'm also wondering how this would affect the host status if a host only has passive checks associated with it that are not being updated regularly?

You could use the freshness checking to address this, if I understand 
correctly.

> 
> This worked fine for 16 hours and then stopped.  I did rewrite the routine to add some delay between writes to the command file and changed the nagios.cmd option to check the command file as often as possible.  It's worked for a couple of cycles now.

I've had problems with passive checks and I am using a delay between 
submissions. It not ideal, or scalable and I still get a problem with 
over lapping submissions of passive checks.

Jim

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