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Date: Sun, 7 Oct 2007 01:02:30 +0200 (CEST)
From: Wojciech Puchar <wojtek@wojtek.tensor.gdynia.pl>
To: "Don O'Neil" <lists@lizardhill.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Building a SAN using FreeBSD
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> Anyone have any resources for building a FreeBSD based SAN device? IE, how
> can I create an extendable file system using networked drives in muliple
> boxes without paying a billion dollars for someones expensive drive arrays.

it depends what you mean SAN.

if you define it buy usability, then simply use IP with gigabit ethernet 
and commonly available switches, and use nfs and ggate to share files or 
volumes.

or define it as something like fibre-channel or iSCSI, spend huge amount 
of money and get (almost) the same :)