host "down" (when it's not really)

[Morris, Patrick]

From: Rogelio Bastardo [mailto:scubacuda at gmail.com] 
Sent: Friday, July 06, 2007 6:28 PM
To: Morris, Patrick
Cc: Nagios Users mailinglist
Subject: Re: [Nagios-users] host "down" (when it's not really)

>> Again, that's because your service checks are OK, but you have a host
>> check that doesn't work for those systems. 

>> Fix your host check and it'll turn green.

> I think I see what you mean.
>
> check_command                  check-host-alive ; Default command to check Linux hosts 
>
> Change that value, right?

Yeah.  Assuming you're using the default check-host-alive command, which pings hosts, that obviously won't work if you can't ever ping the host.

You'll need to define a new check command that *can* determine if the host is up or down.

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