Bill;
  We are using the Netapp filler with the WAFL file system and, I must tell
you, I like it.  
It has some very good advantages.  The largest, in my mind, is the fact that
our downtime to do backups is only about 5 minutes a day.   We take the DBs
down , make a snapshot, then bring them back up.   After that, we make a
backup of the snapshot onto tape without interupting production any more.

I think its worth file for you to look into them.

NetApp has a technical library that might help you get some information on
it.  You can find it at http://www.netapp.com/tech_library/

Good luck.

Kevin

-----Original Message-----
Sent: Tuesday, January 15, 2002 10:49 AM
To: Multiple recipients of list ORACLE-L


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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