RE: RE: Online vs offline backups

From: Ganesh Raja <ganesh_at_gtfs-gulf.com>
Date: Wed, 19 Jun 2002 06:48:24 -0800
Message-ID: <F001.0048122A.20020619064824@fatcity.com>

If you are not backing up the redo logs also youcan do a simple Alter database Open Restelogs before Opening the database. So that the redo logs are created. If you copy the Online Redo Logs This Step can be avaoided.

HTH Best Regards,
Ganesh R

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-----Original Message-----
Sent: Wednesday, June 19, 2002 6:28 PM
To: Multiple recipients of list ORACLE-L

I disagree. Always backup the online redo logs when doing a cold backup. Rama Valpuri's book Oracle Backup and Recovery chapter 3 on physical backups says "...use the os backup utility to copy all the onine redo log files, databases files and control files."

-----Original Message-----
Sent: Wednesday, June 19, 2002 9:38 AM
To: Multiple recipients of list ORACLE-L

Ferenc Mantfeld，

>The same person that advocated a cold backup
>did not back up the online redo logs, so what use was it anyway, since
>the only way they would force open their DB is with a resetlogs option
>anyway.

        For cold backup, oracle does not recommend backup the online redo log. And if you restore the whole cold backup, why need the online redo log? I am sure people doing cold backup will do shutdown normal/immediate, not shutdown abort.So there is no need to backup the online redo log at all! Backup the online redo log also take the risk of damage the current online redo log when you want to do full recovery.

        So, never backup the online redo log when doing cold backup.

                    致

礼！

            chal_ping
            chaospku_at_163.net

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Author: Ganesh Raja
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Received on Wed Jun 19 2002 - 09:48:24 CDT