Re: Configuring Oracle with RAID and OFA

Thanks for the info Dennis.

It just so happens I recently purchased the very book you mentioned a few weeks ago. I know what I will be doing this weekend.

Thanks again!

-D-

On Thursday 27 March 2003 08:43, DENNIS WILLIAMS wrote:
> Dwayne
> So you have a single RAID set, or 5 separate devices? You might have a
> test database on a single RAID set, but you shouldn't do that in
> production. First, multiple control files on separate devices. Redo should
> write to a non-RAID device since it continuously writes. Past that it
> depends on how much performance this system requires.
> Gaja and Kirti explain this nicely in Oracle Performance Tuning 101.
>
> Dennis Williams
> DBA, 40%OCP, 100% DBA
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
> -----Original Message-----
> Sent: Thursday, March 27, 2003 6:59 AM
> To: Multiple recipients of list ORACLE-L
>
>
> Hi all,
>
> I am configuring a system for use with Oracle and am confused on the
> concepts
> of RAID and OFA, specifically how they work together.
>
> I inherited a system that is a RAID 5 utilizing 5 disks. Oracle8i (8.1.7)
> is
> currently running on it. The database is setup on one disk (data files,
> control files, redo logs, etc.).
>
> I understand that striping spreads the info out across all the disks. That
> being true, is it necessary to put the redo logs, rollback segments, etc on
> sepaparte disks ala OFA?
>
> Since the database is not in production yet, I have time to make these
> changes
> (not to mention we are planning to redo the setup with Red Hat Advanced
> Server and upgrade to Oracle9i).
>
> Thanks in advance for your help. Feel free to point me to additional
> reading
> materials that will clarify this for me.
>
> Dwayne

-- 
Dwayne Cox
Corporate Database Administrator
Info Tech, Inc.
5700 SW 34th Street, Suite 1235
Gainesville, FL  32608

email: dwaynec_at_infotechfl.com
phone: 352.381.4521 fax: 352.381.4444

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