Setting up service dependencies

[Jeff Boulter]

That's good to know. I still have this issue though because I have some
tests that aren't going work if simpler tests fail. For example, a
simple test to see if a webserver can serve a static HTML can fail, and
if that's the case then checking to see if the webserver will return a
PHP page is obviously not going to work. 
 
Jeff

-----Original Message-----
From: Carroll, Jim P [Contractor] [mailto:jcarro10 at sprintspectrum.com] 
Sent: Tuesday, January 07, 2003 10:41 AM
To: Jeff Boulter; Nagios-users at lists.sourceforge.net
Subject: RE: [Nagios-users] Setting up service dependencies


I'm not sure why you're taking this approach.  Out of the box, Nagios
will behave as you wish it to.
 
If a service check fails, then a host check is made.  If the host check
fails, it's flagged as down and, depending on your particular
configuration, you'll receive the notification for the host being down,
not for the N services you're monitoring on that host.  If the host
check passes, then you'll get an alert on the service.
 
jc

-----Original Message-----
From: Jeff Boulter [mailto:jboulter at yahoo-inc.com]
Sent: Monday, January 06, 2003 6:37 PM
To: Nagios-users at lists.sourceforge.net
Subject: [Nagios-users] Setting up service dependencies




Hello all, 

I'm trying to set up service dependencies in Nagios. For example, I
don't want alerts about an HTTP service being down on a host if the host
isn't pingable.

So far, the only way I've found to do this is to set it up for each host
individually. That would be difficult with the hundreds of hosts that my
nagios is currently monitoring.

I tried creating a servicedependency object with a hostgroup_name and a
dependent_hostgroup_name. This seems to make each host in hostgroup_name
dependent on EVERY host in dependent_hostgroup_name. For example, if my
hostgroup has 7 hosts in it, it seems it's making each of those 7 hosts
dependent on each other, making 7x7=49 dependencies. (Stragely, Nagios
reports 98 dependencies. Why 2x?) 

Any suggestions on how to make a service dependencies local to each host
and not a group of hosts without lots and lots of dependency objects?

Jeff 

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