Re: asm on san

Ralph.in.NZ_at_googlemail.com wrote:
> Hi All,
>
> My experiances in the last 8 yrs of the Enterprise storage
> environment do not bear out the anti RAID 5 people. RAID 5 is used
> extensively in this financial services environment.

Which translates to the fact that storage vendors oversold hardware. Anyone can go fast if they buy a Ferrari.

The relevant question is not what did the now disgraced financial services firms due squandering their money (thus they are now being bailed out by taxpayers) but rather how responsible companies, spending their money wisely, can get adequate performance for reasonable dollars.

You can not write the same byte 3 times and get performance identical with a system that only write them twice any more than you can drive you car three miles on two miles worth of petrol. Physics doesn't subscribe to marketing hyperbole and DBAs shouldn't either.

-- 
Daniel A. Morgan
Oracle Ace Director & Instructor
University of Washington
damorgan_at_x.washington.edu (replace x with u to respond)
Puget Sound Oracle Users Group
www.psoug.org