> Meanwhile I have never understood why storage vendors would prefer
> selling RAID5 over RAID10.

...Because if they don't sell RAID5, they don't recover the R&D costs of
creating a RAID5 microkernel that has more lines of code than the Oracle7
executable. I'm not kidding.


Cary Millsap
Hotsos Enterprises, Ltd.
http://www.hotsos.com

Upcoming events:
- Hotsos Clinic 101 in Dallas, Washington, Denver, Sydney
- Hotsos Symposium 2004, March 7-10 Dallas
- Visit www.hotsos.com for schedule details...


-----Original Message-----
Niall Litchfield
Sent: Thursday, June 12, 2003 12:05 PM
To: Multiple recipients of list ORACLE-L

Jared writes
> At the meeting last week I wore my 'No RAID 5' hat.
> 
> Those of you at IOUG 99 in Denver may have seen it, I 
> wore it every day there.  ;)

I'm curious now. Pictures required.

Meanwhile I have never understood why storage vendors would prefer
selling RAID5 over RAID10. More disks=more profit surely? Also 10 > 5
therefore self evidently twice as good for all applications. Meanwhile
we have this strange situation where performance consultants are
publicising the fact that you have less need for performance consultants
with RAID10 than with RAID5. 

Niall 

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