Disable host checks

[Marc Powell]

> -----Original Message-----
> From: nagios-users-bounces at lists.sourceforge.net [mailto:nagios-users-
> bounces at lists.sourceforge.net] On Behalf Of Patrick Morris
> Sent: Tuesday, September 26, 2006 7:01 PM
> To: G Bit
> Cc: Tedman Eng; nagios-users at lists.sourceforge.net
> Subject: Re: [Nagios-users] Disable host checks
> 
> On Tue, 26 Sep 2006, G Bit wrote:
> 
> > My thought was, we would get alerts from the service checks if the
host
> is down, so
> > the ping checks may not be needed. I am new to Nagios. So forgive if
my
> rationale is flawed.
> 
> If host checks are a major problem for your setup (and it sounds like,
> if you were getting false positives, it may be better to tweak the
> checks so they don't get tripped so often), you can set up a host
check
> that always succeeds, which'll work better than no host check.

We've run without hosts checks for several years with no adverse
effects. The regularly run ping service check (a requirement of our
contract) is sufficient for our needs and eliminates the need to
maintain parent relationships for all our devices. We found that in a
failure situation where hundreds of sites may suddenly be down that the
lag generated by host checks was unacceptable. The parent relationships
can be very complex and not easily integrated into our scripted config
generation so we took the simple path. It's worked out well for us at
least.

Setting up a host check that always succeeds uses un-necessary resources
IMHO, especially for large installations. The host is always assumed to
be up anyway.

--
Marc

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