Re: RAID 5 vs. disck mirroring for Oracle on NT

From: Sybrand Bakker <postbus_at_sybrandb.demon.nl>
Date: Wed, 23 Jan 2002 18:40:58 +0100
Message-ID: <g9tt4u0pvqjbg4oiabjllfo0lm8q9q4q97@4ax.com>

On 23 Jan 2002 08:47:18 -0800, av999_at_canada.com (Alex) wrote:

>Hello,
>
>I have to order an Windows NT system that will be used as an Oracle
>8.1.5 database server.
>
>I have heard that there are differences in performance and reliability
>between disk mirroring and RAID 5.
>
>Could you tell me which one is 'best' ? Are there any knows downsides
>of either configuration ?
>
>Alex
>av999_at_canada.com

RAID-5 shouldn't be used for online redo logs because of the write penalty associated with RAID-5.
The topic has been discussed often enough in this and other Oracle related newsgroups, a search on groups.google.com should more than enough results, and is (for any question) to be preferred above reviving old cows.

Regards

Sybrand Bakker, Senior Oracle DBA

To reply remove -verwijderdit from my e-mail address Received on Wed Jan 23 2002 - 11:40:58 CST