Re: Oracle on RAID - Thanks

> Of course, the Sun engineer is saying "our new RAID 5 is just as fast as
> RAID 10 because we stripe parity across all disks".

Uh huh. Does he think this is new?

RAID 3 is the version that has a dedicated parity disk IIRC.

RAID 5 has always striped the parity across all disks.

Jared

On Fri, 2003-08-22 at 08:24, DENNIS WILLIAMS wrote:
> To whomever posted the link to Gaja's paper Implementing RAID on Oracle -
> thank you. I previously had printed and passed this article on to my system
> administrator -- no reaction. But yesterday he was building our new Sun
> system with all the latest features, and was so excited about the paper that
> he asked for a second copy to share with his junior sys admin. He stopped
> building the system to take a day to study Gaja's paper in detail.
> Of course, the Sun engineer is saying "our new RAID 5 is just as fast as
> RAID 10 because we stripe parity across all disks".
> Since this will be an OLTP system, I am planning on an 8K Oracle block
> size, unless anyone has better information on how to pick a block size.
> Apparently there are a lot of storage system parameters you can optimize,
> but they are based on the Oracle block size.
>
>
>
> Dennis Williams
> DBA, 80%OCP, 100% DBA
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
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> Author: DENNIS WILLIAMS
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Author: Jared Still
  INET: jkstill_at_cybcon.com

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