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Date:      Sat, 4 Jun 2005 19:23:35 -0400
From:      Charles Swiger <cswiger@mac.com>
To:        Remo.Lacho@verizon.net
Cc:        FreeBSD Stable Users <freebsd-stable@freebsd.org>
Subject:   Re: Re[2]: [lists] RAID-1 as back-up
Message-ID:  <BC67A77D-CB5B-4BCD-8B54-B911AE8435B6@mac.com>
In-Reply-To: <E1DefvG-0003bs-Iz@bortel.dyndns.org>
References:  <E1DefvG-0003bs-Iz@bortel.dyndns.org>

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On Jun 4, 2005, at 5:11 PM, Remo Lacho wrote:
> Please excuse my ignorance, but why would you use USB or Firewire  
> drives on a
> production server?

Firewire makes a really nice hot-pluggable I/O bus which works nicely  
with external devices.  Your typical external Firewire drive is  
generally a medium-decent IDE drive (ie, one with a 3-year warranty  
and more cache than the typical drive sold today) using an IDE->FW  
converter.

Firewire is especially well suited to things like movie editting and  
other A/V work, and I'd rather use it than IDE for those kind of  
tasks.  It's not clear that even Ultra320 SCSI is a better choice as  
an interface, although the highest-end SCSI drives are probably more  
reliable.  You'd have to switch up to a fibre-channel SAN to get a  
system which is significantly faster or more fault-tolerant.

[ I don't think so highly of USB2. ]

-- 
-Chuck




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