Service dependencies

[Martin Melin]

A service that happens to be a check_ping is not the same thing as the
host check command.

The host check command should be a plugin that determines whether or
not the host is alive - usually a ping, but can be something else.

See http://nagios.sourceforge.net/docs/3_0/hostchecks.html for more
info on this, but as Marc explained, if you set up your host
definition with a correct check_command, what will happen when a host
goes down is this (without setting up regularly scheduled host
checks):

1. A service check fails on the host
2. Nagios immediately schedules a host check for the host
3. If the host check_command fails, notifications for all services on
the host are suppressed until the host check_command clears

which is what you want in this case.

Regards
Martin Melin

On Mon, Dec 28, 2009 at 8:26 PM, Brandino Andreas <ampranti at gmail.com> wrote:
> Are you sure that it works that way??
> I disabled notifications for "ping" service, but still I receive
> notifications from other services although the host is down....
>
> Do I have to enable any other option?
>
> Thank you
> Regards
>
>
>
> Friday, December 25, 2009, 4:19:08 PM, you wrote:
>
>> On Dec 25, 2009, at 5:28 AM, Brandino Andreas wrote:
>
>>> Hi all and happy holidays!
>>>
>>> Lets assume that a host has three service checks (ping, uptime and cpu). If for some reason
>>> connection fails, a mail for each service is being sent (with random
>>> order).
>>> Is any way when "uptime" or "cpu" check fails (not when is critical), to
>>> force a "ping service" check and finally send a notification only for that
>>> service??
>>>
>>> This behavior can be achieved somehow? With services dependencies can
>>> I force a check to be performed at specific points?
>
>> No service dependencies needed. Get rid of the ping service check
>> and make it the host check. If a service on a host fails, the host
>> is checked. If the host check returns non-OK, notifications for
>> services are suppressed and only the host down notification is sent.
>
>> --
>> Marc
>
>
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> <> ---  -    -    -  --- <>
>    Brandino Andreas
>    ampranti at gmail.com
> <> ---  -    -    -  --- <>
>
>
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