service dependency on host?

[Charlie Reddington]

I thought I was done....

There is no mention about the services for the affected hosts. Will  
they by default not send alerts, but only unreachables as well?

So if the hosts aren't sending notifications because the head switch  
is down, what about the sub sequent services?

Thanks,

Charlie

On Sep 11, 2008, at 2:15 PM, Goldschrafe, Jeffrey wrote:

> You don't want host or service dependencies, you want parent/child  
> relationships on the hosts.
>
> FAQ (old): http://www.nagios.org/faqs/viewfaq.php?faq_id=145
> Docs (current): http://nagios.sourceforge.net/docs/3_0/networkreachability.html
>
>> -----Original Message-----
>> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios- 
>> users-
>> bounces at lists.sourceforge.net] On Behalf Of Charlie Reddington
>> Sent: Thursday, September 11, 2008 3:11 PM
>> To: nagios-users at lists.sourceforge.net
>> Subject: [Nagios-users] service dependency on host?
>>
>> Hi,
>>
>> I have nagios up and working but I want to tweak it some so I'm not
>> getting buried under sms messages.
>>
>> My setup works like so.
>>
>> I have a file called Loc-Servers.cfg
>>
>> In this file it has the host definitions that look like this, but  
>> just
>> a ton of them....
>>
>> # serv01
>> define host{
>>         use                     linux-server
>>         host_name       serv01.example.com
>>         alias                   serv01
>>         address             192.168.1.101
>>         }
>>
>> # serv01
>> define host{
>>         use                     linux-server
>>         host_name       serv02.example.com
>>         alias                   serv02
>>         address             192.168.1.102
>>         }
>>
>> And then after the hosts I have the services setup generally like  
>> this:
>>
>> define service{
>>         use                         			 generic-service
>>         host_name                      	 serv01.example.com,
>> serv02.example.com
>>         service_description             Ping
>>         check_command                  check_ping!100.0,20%!500.0,60%
>>         }
>>
>> My real question comes down to dependencies. As much as I love  
>> getting
>> 400 messages if something 'upstream' goes down like a switch, I
>> generally want to try to get alerts only for hosts down and alerts  
>> for
>> the first point of failure.
>>
>> So assuming one of my networks look like this:
>>
>>  Router --> Switch -> serv01, serv02, serv03
>>
>> Lets say the switch goes down. Which makes the servers all
>> unreachable, which fails out all other servers. I don't want to have
>> any notifications really for anything below the switch.
>>
>> I've seen the docs about having services dependent on services, and
>> hosts dependent on hosts.  But how about services, dependent on  
>> hosts.
>> Do I just use hosts instead of services in the config?
>>
>> Thanks for you time and for your help,
>>
>> Charlie
>>
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