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List:       linux-ha
Subject:    Re: [Linux-HA] heartbeat and the serial cable
From:       Alan Robertson <alanr () unix ! sh>
Date:       2005-02-27 11:26:31
Message-ID: 4221AE67.3020101 () unix ! sh
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Jan-Frode Myklebust wrote:
> On Thu, Feb 24, 2005 at 08:46:01AM -0500, Charles Hayden wrote:
> 
>>We have successfully used heartbeat in our product.
>>Now management has decided they want the serial port for something else.
>>Since they don't believe me when I say that the serial port is essential, 
>>I am looking for a discussion of why the serial port is important.
> 
> 
> My #1 argument for using serial cable is that it will never fail
> because of a bad iptables configuration. The serial cable has saved
> me at least once from another sysadmin forgetting to keep the private
> network open in the iptables config..

Yep.  I've seen that more than once on this mailing list.


-- 
     Alan Robertson <alanr@unix.sh>

"Openness is the foundation and preservative of friendship...  Let me claim 
from you at all times your undisguised opinions." - William Wilberforce

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