Is there a way to delay UP;HARD checks?

[Sto Rage!]

Define Service Dependency and make ping and other services dependent on the
service that starts last.
-G
"Josh Van As" <JVanas at finncorp.com> wrote in message
news:834D93DB7AA4004F893BB62597D5774C18DA17 at fcsrv0004.finncorp.com...
I guess I am at a bit of a loss here....I thought flap-detection was
meant to handle a situation where tests of a service were slightly
unreliable.  The problem I am trying to solve is this:

I reboot a host, Nagios correctly detects that the host is down.
However when the host comes back up (ping) Nagios quickly detects that
and changes the state to UP.  However, not all of the services that are
monitored are up yet (yes, TCP/IP stack is up so ping works, but maybe
the DHCP server is still down) so Nagios now starts failing on all of
the services.

I end up getting notifications for failed services, which really aren't
failed, just on their way up.

Is this a problem that flap detection can solve?


Thanks,
Josh

-----Original Message-----
From: Mike McClure [mailto:mmcclure at pneservices.com]
Sent: Wednesday, September 10, 2003 12:03 PM
To: nagios-users at lists.sourceforge.net
Subject: Re: [Nagios-users] Is there a way to delay UP;HARD checks?

> In a different service monitoring solution I used there was a feature
> that allowed me to delay the UP Notifications until x number of
retries
> were successful.
>
> It appears that Nagios notifies after the first successful host
/service
> retry.  Is there a way to delay the notification until after 5
> sequential retries?
>

Actually, that's not true.  If you have flap detection enabled, it may
not notify on
the first successful retry, depending on the history.

It sounds like your other solution's feature was a sort of "fixed" flap
detection
that  just assumed that everything was flapping.  The Nagios flap
detection
algorithm is much more sophisticated.

Take a look at the docs on flap detection.


-- 
Mike McClure, CCIE # 5125, CISSP # 30232
PNE Services, Inc. -  http://www.pneservices.com
mmcclure [at] pneservices [dot] com
mobile: 913-636-5590



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