DUPLICATE Database using Backup of a Database

If you want to create a duplicate database from a live/active database, you can follow this article. But if you want to DUPLICATE a database using backup of another database, you can use following steps. I am creating new database with a different name using DUPLICATE command, or you may want to retain same name for the database while duplicating.


Source database name is TEST with all files under +DATA/TEST directory.
Destination database name is TESTT, and to have all files under +DATA/TESTT directory.

On a new server where you want to duplicate the database, create inittestt.ora file under $ORACLE_HOME/dbs directory. You can copy and then modify parameter file of TEST database to create pfile for TESTT. For this example, I copied backup of TEST database under /u02/backup directory and this backup will be used to build TESTT database.

Add following lines in inittestt.ora file 

Db_file_name_convert=’+DATA/TEST/’,’+DATA/TESTT’ Log_file_name_convert= ‘+RECO/TEST’,’+RECO/TESTT’ Control_files=’+DATA/TESTT/control01.ctl’,’+DATA/TESTT/control02.ctl’

Start TESTT in nomount mode

$export ORACLE_SID=testt SQL> startup nomount

Connect to RMAN and do duplicate using backup of TEST

rman auxiliary / RMAN> duplicate database to testt backup location '/u02/backup/'; Starting Duplicate Db at 26-AUG-16 contents of Memory Script: {    sql clone "create spfile from memory"; } executing Memory Script sql statement: create spfile from memory contents of Memory Script: {    shutdown clone immediate;    startup clone nomount; } executing Memory Script Oracle instance shut down connected to auxiliary database (not started) Oracle instance started Total System Global Area    1937457152 bytes Fixed Size                     2254464 bytes Variable Size                536873344 bytes Database Buffers            1392508928 bytes Redo Buffers                   5820416 bytes contents of Memory Script: {    sql clone "alter system set  db_name =  ''TEST'' comment=  ''Modified by RMAN duplicate'' scope=spfile";    sql clone "alter system set  db_unique_name =  ''TESTT'' comment=  ''Modified by RMAN duplicate'' scope=spfile";    shutdown clone immediate;    startup clone force nomount    restore clone primary controlfile from  '/u02/backup/control.bak';    alter clone database mount; } executing Memory Script sql statement: alter system set  db_name =  ''TEST'' comment= ''Modified by RMAN duplicate'' scope=spfile sql statement: alter system set  db_unique_name =  ''TESTT'' comment= ''Modified by RMAN duplicate'' scope=spfile Oracle instance shut down Oracle instance started Total System Global Area    1937457152 bytes Fixed Size                     2254464 bytes Variable Size                536873344 bytes Database Buffers            1392508928 bytes Redo Buffers                   5820416 bytes Starting restore at 26-AUG-16 allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=23 device type=DISK channel ORA_AUX_DISK_1: restoring control file channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:03 output file name=+DATA/testt/control01.ctl output file name=+DATA/testt/control02.ctl Finished restore at 26-AUG-16 database mounted released channel: ORA_AUX_DISK_1 allocated channel: ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: SID=23 device type=DISK contents of Memory Script: {    set until scn  932969;    set newname for datafile  1 to  "+DATA/testt/system01.dbf";    set newname for datafile  2 to  "+DATA/testt/sysaux01.dbf";    set newname for datafile  3 to  "+DATA/testt/undotbs01.dbf";    set newname for datafile  4 to  "+DATA/testt/users01.dbf";    restore    clone database    ; } executing Memory Script executing command: SET until clause executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME executing command: SET NEWNAME Starting restore at 26-AUG-16 using channel ORA_AUX_DISK_1 channel ORA_AUX_DISK_1: starting datafile backup set restore channel ORA_AUX_DISK_1: specifying datafile(s) to restore from backup set channel ORA_AUX_DISK_1: restoring datafile 00001 to +DATA/testt/system01.dbf channel ORA_AUX_DISK_1: restoring datafile 00002 to +DATA/testt/sysaux01.dbf channel ORA_AUX_DISK_1: restoring datafile 00003 to +DATA/testt/undotbs01.dbf channel ORA_AUX_DISK_1: restoring datafile 00004 to +DATA/testt/users01.dbf channel ORA_AUX_DISK_1: reading from backup piece /u02/backup/test_04re259h_1_1.bak channel ORA_AUX_DISK_1: piece handle=/u02/backup/test_04re259h_1_1.bak tag=TAG20160824T114448 channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15 Finished restore at 26-AUG-16 contents of Memory Script: {    switch clone datafile all; } executing Memory Script datafile 1 switched to datafile copy input datafile copy RECID=5 STAMP=920891413 file name=+DATA/testt/system01.dbf datafile 2 switched to datafile copy input datafile copy RECID=6 STAMP=920891413 file name=+DATA/testt/sysaux01.dbf datafile 3 switched to datafile copy input datafile copy RECID=7 STAMP=920891413 file name=+DATA/testt/undotbs01.dbf datafile 4 switched to datafile copy input datafile copy RECID=8 STAMP=920891413 file name=+DATA/testt/users01.dbf contents of Memory Script: {    set until scn  932969;    recover    clone database     delete archivelog    ; } executing Memory Script executing command: SET until clause Starting recover at 26-AUG-16 using channel ORA_AUX_DISK_1 starting media recovery channel ORA_AUX_DISK_1: starting archived log restore to default destination channel ORA_AUX_DISK_1: restoring archived log archived log thread=1 sequence=9 channel ORA_AUX_DISK_1: reading from backup piece /u02/backup/test_06re25a2_1_1.bak channel ORA_AUX_DISK_1: piece handle=/u02/backup/test_06re25a2_1_1.bak tag=TAG20160824T114506 channel ORA_AUX_DISK_1: restored backup piece 1 channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01 archived log file name=/u01/app/oracle/product/11.2.0/db/dbs/arch1_9_920718405.dbf thread=1 sequence=9 channel clone_default: deleting archived log(s) archived log file name=/u01/app/oracle/product/11.2.0/db/dbs/arch1_9_920718405.dbf RECID=1 STAMP=920891413 media recovery complete, elapsed time: 00:00:00 Finished recover at 26-AUG-16 Oracle instance started Total System Global Area    1937457152 bytes Fixed Size                     2254464 bytes Variable Size                536873344 bytes Database Buffers            1392508928 bytes Redo Buffers                   5820416 bytes contents of Memory Script: {    sql clone "alter system set  db_name =  ''TESTT'' comment=  ''Reset to original value by RMAN'' scope=spfile";    sql clone "alter system reset  db_unique_name scope=spfile";    shutdown clone immediate;    startup clone nomount; } executing Memory Script sql statement: alter system set  db_name =  ''TESTT'' comment= ''Reset to original value by RMAN'' scope=spfile sql statement: alter system reset  db_unique_name scope=spfile Oracle instance shut down connected to auxiliary database (not started) Oracle instance started Total System Global Area    1937457152 bytes Fixed Size                     2254464 bytes Variable Size                536873344 bytes Database Buffers            1392508928 bytes Redo Buffers                   5820416 bytes sql statement: CREATE CONTROLFILE REUSE SET DATABASE "TESTT" RESETLOGS ARCHIVELOG   MAXLOGFILES     16   MAXLOGMEMBERS      3   MAXDATAFILES      100   MAXINSTANCES     8   MAXLOGHISTORY      292  LOGFILE   GROUP   1 ( '+DATA/testt/redo01.log' ) SIZE 50 M  REUSE,   GROUP   2 ( '+DATA/testt/redo02.log' ) SIZE 50 M  REUSE,   GROUP   3 ( '+DATA/testt/redo03.log' ) SIZE 50 M  REUSE  DATAFILE   '+DATA/testt/system01.dbf'  CHARACTER SET WE8MSWIN1252 contents of Memory Script: {    set newname for tempfile  1 to  "+DATA/testt/temp01.dbf";    switch clone tempfile all;    catalog clone datafilecopy  "+DATA/testt/sysaux01.dbf",  "+DATA/testt/undotbs01.dbf",  "+DATA/testt/users01.dbf";    switch clone datafile all; } executing Memory Script executing command: SET NEWNAME renamed tempfile 1 to +DATA/testt/temp01.dbf in control file cataloged datafile copy datafile copy file name=+DATA/testt/sysaux01.dbf RECID=1 STAMP=920891427 cataloged datafile copy datafile copy file name=+DATA/testt/undotbs01.dbf RECID=2 STAMP=920891427 cataloged datafile copy datafile copy file name=+DATA/testt/users01.dbf RECID=3 STAMP=920891427 datafile 2 switched to datafile copy input datafile copy RECID=1 STAMP=920891427 file name=+DATA/testt/sysaux01.dbf datafile 3 switched to datafile copy input datafile copy RECID=2 STAMP=920891427 file name=+DATA/testt/undotbs01.dbf datafile 4 switched to datafile copy input datafile copy RECID=3 STAMP=920891427 file name=+DATA/testt/users01.dbf contents of Memory Script: {    Alter clone database open resetlogs; } executing Memory Script database opened Finished Duplicate Db at 26-AUG-16 RMAN> exit