May 17, 2026, 11:40 PM

2026-05-18 06:40:19 +00:00
commit 64944cf004
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+CLONING RMAN FROM A BACKUP IN 10G
+
+[oracle@boss ~]$ cd rmanbackup/
+[oracle@boss rmanbackup]$ ls
+01nsnp5o_1_1 02nsnp5r_1_1 03nsnp6k_1_1 control_filebkc-1965345038-20121213-01
+[oracle@boss rmanbackup]$ vi control_filebkc-1965345038-20121213-01
+
+Now go down and copy the pfile from the backup piece.
+
+Copy the pfile from the backup piece and past it inthe clone db.
+
+[oracle@boss ~]$ mkdir db6
+[oracle@boss ~]$ cd db6
+[oracle@boss db6]$ mkdir admin oradata
+[oracle@boss db6]$ cd admin/
+[oracle@boss admin]$ mkdir pfile bdump cdump udump create
+[oracle@boss admin]$ cd pfile/
+[oracle@boss pfile]$ vi initdb6.ora
+[oracle@boss pfile]$ cd ../../oradata/
+[oracle@boss oradata]$ mkdir data log ctrl arch
+[oracle@boss oradata]$
+[oracle@boss oradata]$ ls
+arch ctrl data log
+[oracle@boss oradata]$
+
+Open the pfile add the db_unique_name=db6.
+Change the db_name as same as the source db
+background_dump_dest='/home/oracle/db6/admin/bdump/'
+compatible='10.2.0'
+control_files='/home/oracle/db6/oradata/ctrl/control1.ctrl'
+core_dump_dest='/home/oracle/db6/admin/cdump/'
+db_name='db2'-- snap db
+db_unique_name=db6-- clone db
+pga_aggregate_target=500m
+sga_target=800m
+undo_management='auto'
+undo_tablespace='undo'
+user_dump_dest='/home/oracle/db6/admin/udump/'
+
+[oracle@boss ~]$ export ORACLE_SID=db6
+[oracle@boss ~]$ sqlplus / as sysdba
+SQL*Plus: Release 10.2.0.4.0 - Production on Thu Dec 13 20:33:39 2012
+Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
+Connected to an idle instance.
+SQL> startup pfile='/home/oracle/db6/admin/pfile/initdb6.ora' nomount;
+ORACLE instance started.
+Total System Global Area 838860800 bytes
+Fixed Size 1270244 bytes
+Variable Size 213913116 bytes
+Database Buffers 620756992 bytes
+Redo Buffers 2920448 bytes
+
+SQL>
+
+[oracle@boss ~]$ export ORACLE_SID=db6
+[oracle@boss ~]$ rman target /
+Recovery Manager: Release 10.2.0.4.0 - Production on Thu Dec 13 20:49:35 2012
+Copyright (c) 1982, 2007, Oracle. All rights reserved.
+connected to target database: db2 (not mounted)
+RMAN> set dbid=1965345038
+executing command: SET DBID
+RMAN> restore controlfile from '/home/oracle/rmanbackup/control_filebkc-1965345038-20121213-01';
+Starting restore at 13-DEC-12
+using target database control file instead of recovery catalog
+allocated channel: ORA_DISK_1
+channel ORA_DISK_1: sid=35 devtype=DISK
+channel ORA_DISK_1: restoring control file
+channel ORA_DISK_1: restore complete, elapsed time:00:00:01
+output filename=/home/oracle/db6/oradata/ctrl/control1.ctrl
+Finished restore at 13-DEC-12
+RMAN> alter database mount;
+database mounted
+released channel: ORA_DISK_1
+RMAN> run
+2> {
+3> set newname for datafile 1 to '/home/oracle/db6/oradata/data/system.dbf';
+4> set newname for datafile 2 to '/home/oracle/db6/oradata/data/undo.dbf';
+5> set newname for datafile 3 to '/home/oracle/db6/oradata/data/sysaux.dbf';
+6> sql"alter database rename file ''/home/oracle/db2/oradata/log/log1.log'' to
+''/home/oracle/db6/oradata/log/log1.log''";
+7> sql"alter database rename file ''/home/oracle/db2/oradata/log/log2.log''to
+''/home/oracle/db6/oradata/log/log2.log''";
+
+8> restore database;
+
+9> switch datafile all;
+10> recover database;
+11> }
+executing command: SET NEWNAME
+executing command: SET NEWNAME
+executing command: SET NEWNAME
+Starting restore at 13-DEC-12
+using channel ORA_DISK_1
+channel ORA_DISK_1: starting datafile backupset restore
+channel ORA_DISK_1: specifying datafile(s) to restore from backup set
+restoring datafile 00001 to /home/oracle/db6/oradata/data/system.dbf
+restoring datafile 00002 to /home/oracle/db6/oradata/data/undo.dbf
+restoring datafile 00003 to /home/oracle/db6/oradata/data/sysaux.dbf
+channel ORA_DISK_1: reading from backup piece
+/u01/app/oracle/product/10.2.0/db_1/dbs/0anspjtv_1_1
+channel ORA_DISK_1: restored backup piece 1
+piece handle=/u01/app/oracle/product/10.2.0/db_1/dbs/0anspjtv_1_1
+tag=TAG20121213T202119
+channel ORA_DISK_1: restore complete, elapsed time:00:01:16
+Finished restore at 13-DEC-12
+datafile 1 switched to datafile copy
+input datafile copy recid=4 stamp=801956019
+filename=/home/oracle/db6/oradata/data/system.dbf
+datafile 2 switched to datafile copy
+input datafile copy recid=5 stamp=801956019
+filename=/home/oracle/db6/oradata/data/undo.dbf
+datafile 3 switched to datafile copy
+input datafile copy recid=6 stamp=801956019
+filename=/home/oracle/db6/oradata/data/sysaux.dbf
+Starting recover at 13-DEC-12
+using channel ORA_DISK_1
+starting media recovery
+archive log thread 1 sequence 3 is already on disk as file
+/home/oracle/db2/oradata/log/log1.log
+archive log filename=/home/oracle/db2/oradata/log/log1.log thread=1 sequence=3
+media recovery complete, elapsed time: 00:00:06
+Finished recover at 13-DEC-12
+
+RMAN> alter database open resetlogs;
+database opened
+
+RMAN>exit