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From: John Barham <jbarham@gmail.com>
To: Fans of the OS Plan 9 from Bell Labs <9fans@9fans.net>
Subject: Re: [9fans] "FAWN: Fast array of wimpy nodes" (was: Plan 9 - the next 20 years)
Date: Mon, 20 Apr 2009 08:11:03 -0700	[thread overview]
Message-ID: <4f34febc0904200811i5675d962k7cf8fc05f6e93a2e@mail.gmail.com> (raw)
In-Reply-To: <6a38aded8b173af1fee172ca0403d745@quanstro.net>

> 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¢/GB on Newegg) plus RAID narrows the performance
and reliability of benefits of 15k rpm SAS (currently ~$1/GB) at a
much lower cost.



  reply	other threads:[~2009-04-20 15:11 UTC|newest]

Thread overview: 10+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2009-04-19  7:58 John Barham
2009-04-19 12:16 ` erik quanstrom
2009-04-19 15:43   ` John Barham
2009-04-19 16:52     ` erik quanstrom
2009-04-20 15:11       ` John Barham [this message]
2009-04-20 16:48         ` erik quanstrom
2009-04-19 14:27 ` Eric Van Hensbergen
2009-04-19 20:11   ` tlaronde
2009-04-20 15:48 ` ron minnich
2009-04-20 17:15   ` Wes Kussmaul

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