host check delay problem

[Dinçer Kavraal]

Hi,

The problem is that, there are some hosts down for two days, for instance,
all unplanned. That makes service checks stop.

Some servers are out for 4-5 minutes because of some sophisticated :)
construction issues which we are unable to be aware of. I just want them to
be checked as usual even they are down.

That's all my problem. Host checks are not done as I have configured to be
(1 min delay).

Do you know a way out of this?

Thanks,
Dincer

2007/3/15, Marc Powell <marc at ena.com>:
>
>
>
> > -----Original Message-----
> > From: dkavraal at gmail.com [mailto:dkavraal at gmail.com] On Behalf Of Dinçer
> > Kavraal
> > Sent: Thursday, March 15, 2007 7:15 AM
> > To: Marc Powell
> > Cc: nagios-users at lists.sourceforge.net
> > Subject: Re: [Nagios-users] host check delay problem
> >
> > Hi Marc,
> > Have you got any ideas how to achieve a solution for host check delays
> > stability?
>
> Yes, follow standard setup guidelines and minimize your usage of host
> checks. Define all your hosts. Configure a host check that runs once and
> exits quickly; check-host-alive with a single ping is usually sufficient.
> Have it run a couple of times if you're paranoid (max_check_attempts). *Do
> not set a check interval, don't even have it in the host definition.*
> Configure the parents directive for your hosts if you want to take advantage
> of the network outages logic to minimize notifications.
>
> Define one or more services on the host. If the host is pingable only,
> define a PING service for the host that pings it. Set a
> normal_check_interval, retry_check_interval and check_period that is sane
> for your environment.
>
> Nagios will check the service in parallel and will only perform a
> sequential host check when a service fails. Since services should rarely
> fail, host checks will be run rarely. Since the host check will run and exit
> quickly, there is minimal interruption of normal scheduling. If all your
> hosts are pingable only and you don't care about configuring parents then
> you don't need host checks at all and can set the check_period to none in
> the host definitions to completely eliminate them.
>
> --
> Marc
>
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