SAME, WAFL and RAID

Hello,

I am looking for any pointers to white papers, etc. that discuss the differences/similarities among WAFL, SAME and RAID (shake, rattle and roll? - sorry) file systems. We have some systems people pushing a vendor
(Procom) and their WAFL filesystem as a platform for an
Oracle data warehouse; showing them parts of Gaja's paper "Implementing Raid on Oracle Systems"
resulted in the response of "WAFL is different from Raid - this paper doesn't apply". I found a white paper "Optimal Storage Configuration Made Easy" on Technet, which advocates the SAME methodology, and am wondering about the differences among these configurations.

Are WAFL and SAME the same(sic)?
Are WAFL and/or SAME just other variants of Raid, or are the differences greater than the similarities?

As always, any advice/comments are appreciated.

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Author: Bill Becker
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