No notification when host down

[Jim Avery]

On 27/02/07, paolo.riccadonna at sistinf.it <paolo.riccadonna at sistinf.it> wrote:
>  We have Nagios 1.3 installed on Debian 3.1
>  Last night it has notified an "Host Down error" for more than two hours but
> it did not send some email notification (the timeperiod of notification is
> 24x7). It's the first time that we have this anomalous.

Does it show the notification in the notifications screen?  If so,
check the log for your email system (probably /var/log/maillog or
something similar).

Is there anything in the nagios log of any interest during that time?

What is your host definition (in hosts.cfg probably)?

Is the host flapping?

See http://nagios.sourceforge.net/docs/1_0/notifications.html

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