[BBLISA] RE: storevault / netapp

[Rudie, Tony]

NetApp's RAID-DP isn't really RAID6 because their basic raid isn't raid5, it's something else, 3 or 4, I forget which, because that works better with WAFL.   


 - Tony Rudié 

-----Original Message-----
From: bblisa-bounces at bblisa.org [mailto:bblisa-bounces at bblisa.org] On Behalf Of Ben Eisenbraun
Sent: Wednesday, February 27, 2008 12:21 PM
To: Peter Galvin
Cc: Bblisa at Bblisa. Org; Edward Ned Harvey
Subject: Re: [BBLISA] RE: storevault / netapp

On Wed, Feb 27, 2008 at 11:57:14AM -0500, Peter Galvin wrote:
> RAID can be implemented in hardware or software. Can't speak to all hardware
> RAID controllers, but NetApp does RAIDDP, and ZFS has RAIDZ2, both of which
> are double-parity-disk RAID (i.e. Survive 2 disk failures rather than 1).

Vendor-speak aside, isn't this just RAID6?

http://en.wikipedia.org/wiki/RAID6#RAID_6

-b

--
lack of skill dictates economy of style.                   <joey ramone>

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