From mboxrd@z Thu Jan  1 00:00:00 1970
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Date: Mon, 20 Apr 2009 08:11:03 -0700
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From: John Barham <jbarham@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
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Subject: Re: [9fans] "FAWN: Fast array of wimpy nodes" (was: Plan 9 - the
	next 20 years)
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> could you explain how raid 5 relates to sata vs sas?
> i can't see now it's anything but a non-sequitor.

Here is the motivating real-world business case: You are in the movie
post-production business and need > 50 TB of online storage at as low
a price as possible with good performance and reliability.  7200 rpm
SATA (currently ~15=A2/GB on Newegg) plus RAID narrows the performance
and reliability of benefits of 15k rpm SAS (currently ~$1/GB) at a
much lower cost.