Nagios Issue of not detecting down/up status of server and delay of mails notifications

Manish Kumar manikumar85 at gmail.com
Fri Jun 17 16:42:47 CEST 2011


Hi Friends,

I have implemented Nagios Core-3.2.3 on Fedora Core 14 and configured it for
monitoring of around 230 network devices for different services like up/down
status, uptime, ports link status, similarly configured for monitoring
around 30 windows servers for different services.

The problem is that nagios is not able to send e-mail notification as soon
as any server/service/network device goes down. Some of the e-mails are
delayed around 12 hours and some are not triggered even, for example if a
server goes down for around a hour and is up again after that, nagios is not
able to detect it. I have setup the fedora 14 to use its sendmail sever to
relay the mails to our corporate smtp sever.

Is this a valid issue with nagios or is there any way to scale it up. How
can a network/sever admin can believe on it if this works like this.



-- 
Thanks
Manish Kumar
http://in.linkedin.com/in/manishkumar85
<http://cens.cdac.in/>
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