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Re: Configuring Oracle with RAID and OFA

From: Jared Still <jkstill_at_cybcon.com>
Date: Thu, 27 Mar 2003 07:58:51 -0800
Message-ID: <F001.005744F3.20030327075851@fatcity.com>

We're installing a new SAN at this moment.

I get to specify the disks I want.

4 RAID1 disks for redo
1 RAID1 for archive logs
1 RAID1 for executables
5 RAID10's of ~100 gig each for data.

Ahh, life is good. ;)

Jared

On Thursday 27 March 2003 05:38, Rachel Carmichael wrote:
> With a single RAID-5 device, you can't place the database files on
> separate physical disks.
>
> Having said that, just as a means of documenting the database, I would
> still generate an OFA-compliant set of directories and place the
> various database objects in the separate directories. You won't get any
> benefit of separating files (which may or may not be beneficial in any
> case) but you will be able to easily distinguish which files are which
> type and the database they belong to.
>
> I presume that you, like me, have no say in how your disk system is
> configured?
>
> Rachel
>
> --- Dwayne Cox <dwaynec_at_infotechfl.com> wrote:
> > 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
> >
> > --
> > Please see the official ORACLE-L FAQ: http://www.orafaq.net
> > --
> > Author: Dwayne Cox
> > INET: dwaynec_at_infotechfl.com
> >
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.net
-- 
Author: Jared Still
  INET: jkstill_at_cybcon.com

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Received on Thu Mar 27 2003 - 09:58:51 CST

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