Pinging every host at a specific interval?

[Ryan Whalen]

Here is an example of a Host.  I have ~40-50 of these one after another in
the minimal.cfg file.

define host{
        use                     nn-ping            ; Name of host template
to use
        host_name               Ryan Whalen
        alias                   Ryan Whalen
        address                 192.168.1.15
        check_command           check-host-alive
        max_check_attempts      10
        notification_interval   120
        notification_period     24x7
        notification_options    d,r
        contact_groups  admins
        }

Here is the service template:

define service{
        name                            nn-service ; The 'name' of this
service template
        active_checks_enabled           1       ; Active service checks are
enabled
        passive_checks_enabled          1       ; Passive service checks are
enabled/accepted
        parallelize_check               1       ; Active service checks
should be parallelized (disabling this can lead t
        obsess_over_service             1       ; We should obsess over this
service (if necessary)
        check_freshness                 0       ; Default is to NOT check
service 'freshness'
        notifications_enabled           1       ; Service notifications are
enabled
        event_handler_enabled           1       ; Service event handler is
enabled
        flap_detection_enabled          1       ; Flap detection is enabled
        failure_prediction_enabled      1       ; Failure prediction is
enabled
        process_perf_data               1       ; Process performance data
        retain_status_information       1       ; Retain status information
across program restarts
        retain_nonstatus_information    1       ; Retain non-status
information across program restarts
        register                        0       ; DONT REGISTER THIS
DEFINITION - ITS NOT A REAL SERVICE, JUST A TEMPLATE
        }

Here is the actual service:

define service{
        use                             nn-service         ; Name of service
template to use
        host_name                       Ryan Whalen,(other hosts go here)
        service_description             PING
        is_volatile                     0
        check_period                    24x7
        max_check_attempts              4
        normal_check_interval           5
        retry_check_interval            1
        contact_groups                  admins
        notification_interval           960
        notification_period             24x7
        check_command                   check_ping!100.0,20%!500.0,60%
        }





On 1/27/06, Marc Powell <marc at ena.com> wrote:
>
>
>
> > -----Original Message-----
> > From: nagios-users-admin at lists.sourceforge.net [mailto:nagios-users-
> > admin at lists.sourceforge.net] On Behalf Of Ryan Whalen
> > Sent: Friday, January 27, 2006 12:09 PM
> > To: nagios-users at lists.sourceforge.net
> > Subject: [Nagios-users] Pinging every host at a specific interval?
> >
> > Hey everyone-
> >
> > I am new to Nagios, and this morning set everything up...everything
> seems
> > to be working, and I have nagios pinging a small number of hosts
> (~50).
> > What I would like to happen is for Nagios to ping them all every 5
> > minutes, and display their status.  However, some hosts have not been
> > polled for over 2 hours.
> >
> > It appears that since one device is down, Nagios is putting the
> priority
> > on polling that device rather than polling the other devices in the
> list.
> > I would like to avaid that, because the devices that are being polled
> are
> > at customer locations, so there will be times when either the device
> is
> > unplugged or simply locked up.
>
> I wouldn't consider this normal behavior and may indicate a
> configuration issue. Can you post your host and service definitions for
> one of these 'priority' hosts? You'll probably want to specifically look
> at normal_check_interval, retry_check_interval and max_check_attempts.
> Those specify how long nagios will 'dwell' on a particular host or
> service. For service checks nagios will continue to process other checks
> while performing retry checks of downed services. For host checks,
> nagios will stop all other processing while performing a host check (up
> to max_check_attempts for that host) but will then move back to normal
> scheduling after reaching max_check_attempts.
>
> --
> Marc
>
>
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