[60343] in North American Network Operators' Group

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RE: Server Redundancy

daemon@ATHENA.MIT.EDU (Austad, Jay)
Wed Aug 6 18:20:15 2003

From: "Austad, Jay" <JAustad@temgweb.com>
To: 'John Kinsella' <jlk@thrashyour.com>, nanog@merit.edu
Date: Wed, 6 Aug 2003 17:19:15 -0500 
Errors-To: owner-nanog-outgoing@merit.edu


> I've used them all fairly heavily, except the Foundry gear.  
> Alteon's my
> personal fave.  Biggest problem with the F5:  hard drive.  In my book,
> that means you instantly need two, doubling the price.

Same thing with the Cisco CSS.  Even without a hard drive, you should have 2
of them anyway.  How do you plan to do software upgrades or other certain
types of maintenance without an outage if you don't have a second one?  

I've seen them flake out too, either by not passing traffic or by load
balancing getting messed up somehow.  In most of these situations, a
failover to the standby unit fixed the problem (this was with F5 gear).  

-jay

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