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Re: Control files & Redo Logs

From: Mike Killough <mwkillough_at_hotmail.com>
Date: Fri, 30 Nov 2001 07:12:44 -0800
Message-ID: <F001.003D1DB4.20011130070041@fatcity.com>

There are advantages to oracle mirroring the redo logs. In the case of corruption, hardware or os level mirroring will duplicate the corruption accross the mirror. In the case of Oracle mirroring, Oracle should detect the corruption and write to the valid redo members.

>From: tday6_at_csc.com
>Reply-To: ORACLE-L_at_fatcity.com
>To: Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>
>Subject: Re: Control files & Redo Logs
>Date: Fri, 30 Nov 2001 05:45:23 -0800
>
>There's no point in mirroring control files on the same disk. Control
>files should be mirrored across disks. That way, if one disk crashes you
>can get a copy of the current control file from another disk (or just drop
>that control file from your init.ora file). Control files are small and
>have minimal disk I/O.
>
>If you are mirroring your disks in hardware there is nothing to be gained
>by mirroring control files and redo logs in Oracle.
>
>--
>Please see the official ORACLE-L FAQ: http://www.orafaq.com
>--
>Author:
> INET: tday6_at_csc.com
>
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-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Mike Killough
  INET: mwkillough_at_hotmail.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
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Received on Fri Nov 30 2001 - 09:12:44 CST

Original text of this message

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