Oracle-L: RE: reset database

From: <Cherie_Machler_at_gelco.com>
Date: Thu, 16 May 2002 07:23:28 -0800
Message-ID: <F001.00462422.20020516072328@fatcity.com>

We've found that when we use RMAN to recover an exact clone of a database with the same name as the original to an alternate host (perhaps as test database or fallback database while upgrading) we have to reset the database in the RMAN catalog if both databases are in the same RMAN catalog.
This has happened to us every time we recover to an alternate host using the same database name.

We have gotten around this problem by export the RMAN catalog contents for the original database and importing it into a different catalog. Then we don't
have the incarnation problem.

Cherie Machler
Oracle DBA
Gelco Information Network

                                                                                                                  
                    DENNIS WILLIAMS                                                                               
                    <DWILLIAMS_at_LIFE       To:     Multiple recipients of list ORACLE-L <ORACLE-L_at_fatcity.com>     
                    TOUCH.COM>            cc:                                                                     
                    Sent by:              Subject:     RE: reset database                                         
                    root_at_fatcity.co                                                                               
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                    05/16/02 09:28                                                                                
                    AM                                                                                            
                    Please respond                                                                                
                    to ORACLE-L

Fawzia - Why do you think you need to perform a "reset database"? Have you performed an incomplete recovery on the database (opened it with RESETLOGS option)? If so, you have created a new incarnation of your database. Therefore, none of your backups are valid because they occurred prior to RESETLOGS. That is the reason for the "reset database" command. Obviously what you should do as soon as possible after RESETLOGS is perform a full backup. This backup will be valid (assume it is performed correctly). Dennis Williams
DBA
Lifetouch, Inc.
dwilliams_at_lifetouch.com

-----Original Message-----
Sent: Thursday, May 16, 2002 3:49 AM
To: Multiple recipients of list ORACLE-L

Hi,

Please can someone explain the consequences of "reset database" in rman?? Does this mean all the previous backups are lost??Is there a way around ??

Any help/advice would be greatly appreciated...

Rgds

Fawzia

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Author: 
  INET: Cherie_Machler_at_gelco.com

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Received on Thu May 16 2002 - 10:23:28 CDT