Nagios Strategies

[Todd Mcneill]

It might also be interesting to see if there is a way to visually
represent these service dependencies on the Status Map.  I have people
that are interested in viewing the status of the entire multi-tier
application stack by application, but this is difficult the way it is
represented now.  I can create Host Groups for each application, and
that should translate to a drawing layer on the Status Map, but from
what I understand, it won't necessarily show me the status of the
application if, for example, an instance of an httpd daemon that the
application depends on goes down.

 

Has anybody tried anything like this?

 

Thanks,

Todd

 

________________________________

From: nagios-users-bounces at lists.sourceforge.net
[mailto:nagios-users-bounces at lists.sourceforge.net] On Behalf Of Hari
Sekhon
Sent: Thursday, December 21, 2006 5:11 AM
To: Nagios Users mailinglist
Subject: Re: [Nagios-users] Nagios Strategies

 

I'm also interested in this but haven't thought about how to actually go
about doing something like this. I have looked at the service
dependencies but the docs don't mention what you suggest so I would
expect that it doesn't work like this... yet.

unless anybody else has some more wisdom?

-h



Hari Sekhon



Matthew Joyce wrote: 

 

Hi all, 

I've found myself in a quandary and I'm wondering how other Nagios uses
have address similar problems. 
We've recently upgraded to 2.6 and I've been tidying up the configs,
sorting out service groups, etc. 

I've been adding checks for specific windows services, Exchange, Backup
Exec, various MS SQL databases and that sort of thing.

The more services I add, the more I consider their dependencies on each
other. 
SNMP service is now a critical service, as without it I will get a storm
of notification. 

I can see that service dependencies would fix this but it does seem
overly complex to have to list each host/service pair in the dependency
definition.

One way I thought might work is to create a servicegroup called
myserversnmp and add the service to the group in the service definition.

Then, in the dependency definition, make that servicegroup dependent on
SNMP Service on the host. 

This would mean I end up with a load of servicegroups, but make
configuring easier as I just need to add one line per service and that's
often done with copy/past/tweak.

An alternative might be to regular expressions, but for me this would be
an obfuscation, not really what I'm after. 
It would be nice if there was a service dependency directive in the
service definition. 

How do others manage dependencies ? 

 

Thanks 

Matt 

 



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