nagios host limits

[Conor Shovlin]

Hi,

Even stranger this now only allows me to add 234 hosts. Adding 235 hosts causes the error.

I added a another dummy host "test-host2" and it works again

Checking services...
        Checked 1339 services.
Checking hosts...
Warning: Host 'test-host' has no services associated with it!
Error: Contact group 'nobody' specified in host 'test-host' is not defined anywhere!
Warning: Host 'test-host2' has no services associated with it!
Error: Contact group 'nobody' specified in host 'test-host2' is not defined anywhere!
        Checked 235 hosts.
Checking host groups...


I tested moving the files from the template.cfg to another .cfg file and the error reoccurs.

Regards,
Conor


From: Conor Shovlin
Sent: 24 July 2009 10:14
To: 'Marc Powell'; Nagios Users Mail-list
Subject: RE: [Nagios-users] nagios host limits


Hi,



Ok we now seem to have it a little further. At your request by adding a dummy host seems to have sorted the issue.



Any thoughts as to why this may be?



Running pre-flight check on configuration data...



Checking services...

        Checked 1339 services.

Checking hosts...

Warning: Host 'test-host' has no services associated with it!

Error: Contact group 'nobody' specified in host 'test-host' is not defined anywhere!

        Checked 230 hosts.

Checking host groups...

        Checked 31 host groups.

Checking service groups...

        Checked 2 service groups.

Checking contacts...

        Checked 6 contacts.

Checking contact groups...

        Checked 1 contact groups.



Regards,

Conor



-----Original Message-----
From: Marc Powell [mailto:marc at ena.com]
Sent: 23 July 2009 17:33
To: Nagios Users Mail-list
Subject: Re: [Nagios-users] nagios host limits





On Jul 23, 2009, at 11:04 AM, Conor Shovlin wrote:



> Hi,

>

> I installed a ubuntu server and installed nagios to test our

> configuration on a new version of linux other than Fedora

>

> We have the same problem in that we cannot add more than 226 hosts

> and we get the below error

>

> Processing object config file '/usr/local/nagios/etc/objects/

> xxxx.cfg'...

> Error: Template 'linux-server' specified in host definition could

> not be not found (config file '/usr/local/nagios/etc/objects/

> xxxxhosts.cfg', starting on line 78)

>    Error processing object config files!



> We are running a single monitoring server. Does this mean we are

> going to have to look at our overall architecture and look at

> distributed monitoring or similar?



No, you don't need to. A single install of nagios can monitor

thousands of hosts and services (providing the hardware resources are

there).



>

> Does anyone have any experience of this type of issue?



You've either encountered a never-before-seen bug or you have a

genuine error in your configuration files. Please post the template

definition and a host definition that references it. Please post an

'ls -l' of the config files and the results of 'egrep "^cfg_" /usr/

local/nagios/etc/nagios.cfg'.



Also try adding a dummy host in the same file that you have the

template defined --



define host{

         use                     linux-server           ; Name of host

template to use

         host_name               test-host

         alias                   test-host

         address                 1.1.1.1

         contact_groups  nobody

         }



--

Marc





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