RMAN - Duplicate database with skip tablespace.
This scenario when any table got dropped and user just need those table data. Duplicate database by skipping unrequited tablespace. Export required table from duplicate database.
We can use point in time recovery too.
Source DB - orcl
Temp Db - test2
SYS@clone> select name from v$tablespace;
NAME
------------------------------
SYSTEM
TEMP
SYSAUX
SYS_UNDOTS
6 rows selected.
C:\Windows\system32>rman auxiliary / target sys/orcl@clone
Recovery Manager: Release 11.1.0.6.0 - Production on Fri Aug 21 01:42:46 2015
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: CLONE (DBID=939948083)
connected to auxiliary database: TEST2 (not mounted)
RMAN> run
2> {
3> ##SET NEWNAME FOR DATABASE TO 'C:\APP\DILIP\ORADATA\backup_clone\test2\%b'; 11.2.0 feature
4> ###set until time "to_date('13-apr-2014 00:37:26', 'dd-mon-yyyy hh24:mi:ss')";
5> set newname for tempfile 1 to 'C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF';
6> DUPLICATE TARGET DATABASE TO test2 SKIP TABLESPACE tt1,tt
7> LOGFILE
8> GROUP 1 ('C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f') SIZE 10m,
9> GROUP 2 ('C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f') SIZE 10m;
10> }
executing command: SET NEWNAME
using target database control file instead of recovery catalog
Starting Duplicate Db at 21-AUG-15
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=98 device type=DISK
Datafile 4 skipped by request
Datafile 5 skipped by request
contents of Memory Script:
{
set until scn 325074;
set newname for datafile 1 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF";
set newname for datafile 2 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF";
set newname for datafile 3 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF";
restore
clone database
skip tablespace "TT1",
"TT" ;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
Starting restore at 21-AUG-15
using channel ORA_AUX_DISK_1
skipping datafile 3; already restored to file C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
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 00002 to C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
channel ORA_AUX_DISK_1: reading from backup piece C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2JQF46C1_1_1
channel ORA_AUX_DISK_1: piece handle=C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2JQF46C1_1_1 tag=TAG20150821T005108
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:07
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 C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF
channel ORA_AUX_DISK_1: reading from backup piece C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2IQF46BS_1_1
channel ORA_AUX_DISK_1: piece handle=C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2IQF46BS_1_1 tag=TAG20150821T005108
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:25
Finished restore at 21-AUG-15
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "TEST2" RESETLOGS ARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 32
MAXINSTANCES 16
MAXLOGHISTORY 1752
LOGFILE
GROUP 1 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f' ) SIZE 10 M ,
GROUP 2 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f' ) SIZE 10 M
DATAFILE
'C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF'
CHARACTER SET US7ASCII
contents of Memory Script:
{
switch clone datafile all;
}
executing Memory Script
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=888284617 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=888284617 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
contents of Memory Script:
{
set until scn 325074;
recover
clone database
delete archivelog
;
}
executing Memory Script
executing command: SET until clause
Starting recover at 21-AUG-15
using channel ORA_AUX_DISK_1
datafile 4 not processed because file is offline
datafile 5 not processed because file is offline
starting media recovery
archived log for thread 1 with sequence 3 is already on disk as file C:\APP\DILIP\PRODUCT\11.1.0\DB_1\RDBMS\ARC00003_0888274922.001
archived log file name=C:\APP\DILIP\PRODUCT\11.1.0\DB_1\RDBMS\ARC00003_0888274922.001 thread=1 sequence=3
media recovery complete, elapsed time: 00:00:01
Finished recover at 21-AUG-15
contents of Memory Script:
{
shutdown clone immediate;
startup clone nomount ;
}
executing Memory Script
database dismounted
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 209235968 bytes
Fixed Size 1332188 bytes
Variable Size 71306276 bytes
Database Buffers 130023424 bytes
Redo Buffers 6574080 bytes
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "TEST2" RESETLOGS ARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 32
MAXINSTANCES 16
MAXLOGHISTORY 1752
LOGFILE
GROUP 1 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f' ) SIZE 10 M ,
GROUP 2 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f' ) SIZE 10 M
DATAFILE
'C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF'
CHARACTER SET US7ASCII
contents of Memory Script:
{
set newname for tempfile 1 to
"C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF";
switch clone tempfile all;
catalog clone datafilecopy "C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF";
catalog clone datafilecopy "C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF";
switch clone datafile all;
}
executing Memory Script
executing command: SET NEWNAME
renamed tempfile 1 to C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF in control file
cataloged datafile copy
datafile copy file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF RECID=1 STAMP=888284634
cataloged datafile copy
datafile copy file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF RECID=2 STAMP=888284634
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=888284634 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=888284634 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
contents of Memory Script:
{
Alter clone database open resetlogs;
}
executing Memory Script
database opened
contents of Memory Script:
{
# drop offline and skipped tablespaces
sql clone 'drop tablespace "TT1" including contents cascade constraints';
# drop offline and skipped tablespaces
sql clone 'drop tablespace "TT" including contents cascade constraints';
}
executing Memory Script
sql statement: drop tablespace "TT1" including contents cascade constraints
sql statement: drop tablespace "TT" including contents cascade constraints
Finished Duplicate Db at 21-AUG-15
RMAN>
RMAN> exit
duplicate db---test2 no tt and tt1 tablespace.
SYS@test2> select name from v$tablespace;
NAME
------------------------------
SYSTEM
TEMP
SYSAUX
SYS_UNDOTS
4 rows selected.
This scenario when any table got dropped and user just need those table data. Duplicate database by skipping unrequited tablespace. Export required table from duplicate database.
We can use point in time recovery too.
Source DB - orcl
Temp Db - test2
SYS@clone> select name from v$tablespace;
NAME
------------------------------
SYSTEM
TEMP
SYSAUX
SYS_UNDOTS
6 rows selected.
C:\Windows\system32>rman auxiliary / target sys/orcl@clone
Recovery Manager: Release 11.1.0.6.0 - Production on Fri Aug 21 01:42:46 2015
Copyright (c) 1982, 2007, Oracle. All rights reserved.
connected to target database: CLONE (DBID=939948083)
connected to auxiliary database: TEST2 (not mounted)
RMAN> run
2> {
3> ##SET NEWNAME FOR DATABASE TO 'C:\APP\DILIP\ORADATA\backup_clone\test2\%b'; 11.2.0 feature
4> ###set until time "to_date('13-apr-2014 00:37:26', 'dd-mon-yyyy hh24:mi:ss')";
5> set newname for tempfile 1 to 'C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF';
6> DUPLICATE TARGET DATABASE TO test2 SKIP TABLESPACE tt1,tt
7> LOGFILE
8> GROUP 1 ('C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f') SIZE 10m,
9> GROUP 2 ('C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f') SIZE 10m;
10> }
executing command: SET NEWNAME
using target database control file instead of recovery catalog
Starting Duplicate Db at 21-AUG-15
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=98 device type=DISK
Datafile 4 skipped by request
Datafile 5 skipped by request
contents of Memory Script:
{
set until scn 325074;
set newname for datafile 1 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF";
set newname for datafile 2 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF";
set newname for datafile 3 to
"C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF";
restore
clone database
skip tablespace "TT1",
"TT" ;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
Starting restore at 21-AUG-15
using channel ORA_AUX_DISK_1
skipping datafile 3; already restored to file C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
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 00002 to C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
channel ORA_AUX_DISK_1: reading from backup piece C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2JQF46C1_1_1
channel ORA_AUX_DISK_1: piece handle=C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2JQF46C1_1_1 tag=TAG20150821T005108
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:07
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 C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF
channel ORA_AUX_DISK_1: reading from backup piece C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2IQF46BS_1_1
channel ORA_AUX_DISK_1: piece handle=C:\APP\DILIP\ORADATA\BACKUP_CLONE\BACKUP_CLONE\_21_20150821_2IQF46BS_1_1 tag=TAG20150821T005108
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:25
Finished restore at 21-AUG-15
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "TEST2" RESETLOGS ARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 32
MAXINSTANCES 16
MAXLOGHISTORY 1752
LOGFILE
GROUP 1 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f' ) SIZE 10 M ,
GROUP 2 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f' ) SIZE 10 M
DATAFILE
'C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF'
CHARACTER SET US7ASCII
contents of Memory Script:
{
switch clone datafile all;
}
executing Memory Script
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=888284617 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=888284617 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
contents of Memory Script:
{
set until scn 325074;
recover
clone database
delete archivelog
;
}
executing Memory Script
executing command: SET until clause
Starting recover at 21-AUG-15
using channel ORA_AUX_DISK_1
datafile 4 not processed because file is offline
datafile 5 not processed because file is offline
starting media recovery
archived log for thread 1 with sequence 3 is already on disk as file C:\APP\DILIP\PRODUCT\11.1.0\DB_1\RDBMS\ARC00003_0888274922.001
archived log file name=C:\APP\DILIP\PRODUCT\11.1.0\DB_1\RDBMS\ARC00003_0888274922.001 thread=1 sequence=3
media recovery complete, elapsed time: 00:00:01
Finished recover at 21-AUG-15
contents of Memory Script:
{
shutdown clone immediate;
startup clone nomount ;
}
executing Memory Script
database dismounted
Oracle instance shut down
connected to auxiliary database (not started)
Oracle instance started
Total System Global Area 209235968 bytes
Fixed Size 1332188 bytes
Variable Size 71306276 bytes
Database Buffers 130023424 bytes
Redo Buffers 6574080 bytes
sql statement: CREATE CONTROLFILE REUSE SET DATABASE "TEST2" RESETLOGS ARCHIVELOG
MAXLOGFILES 32
MAXLOGMEMBERS 2
MAXDATAFILES 32
MAXINSTANCES 16
MAXLOGHISTORY 1752
LOGFILE
GROUP 1 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log1.f' ) SIZE 10 M ,
GROUP 2 ( 'C:\APP\DILIP\ORADATA\backup_clone\test2\t_log2.f' ) SIZE 10 M
DATAFILE
'C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSTEM01.DBF'
CHARACTER SET US7ASCII
contents of Memory Script:
{
set newname for tempfile 1 to
"C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF";
switch clone tempfile all;
catalog clone datafilecopy "C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF";
catalog clone datafilecopy "C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF";
switch clone datafile all;
}
executing Memory Script
executing command: SET NEWNAME
renamed tempfile 1 to C:\APP\DILIP\ORADATA\backup_clone\test2\TEMP01.DBF in control file
cataloged datafile copy
datafile copy file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF RECID=1 STAMP=888284634
cataloged datafile copy
datafile copy file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF RECID=2 STAMP=888284634
datafile 2 switched to datafile copy
input datafile copy RECID=1 STAMP=888284634 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2SYSAUX01.DBF
datafile 3 switched to datafile copy
input datafile copy RECID=2 STAMP=888284634 file name=C:\APP\DILIP\ORADATA\BACKUP_CLONE\TEST2UNDOTBS01.DBF
contents of Memory Script:
{
Alter clone database open resetlogs;
}
executing Memory Script
database opened
contents of Memory Script:
{
# drop offline and skipped tablespaces
sql clone 'drop tablespace "TT1" including contents cascade constraints';
# drop offline and skipped tablespaces
sql clone 'drop tablespace "TT" including contents cascade constraints';
}
executing Memory Script
sql statement: drop tablespace "TT1" including contents cascade constraints
sql statement: drop tablespace "TT" including contents cascade constraints
Finished Duplicate Db at 21-AUG-15
RMAN>
RMAN> exit
duplicate db---test2 no tt and tt1 tablespace.
SYS@test2> select name from v$tablespace;
NAME
------------------------------
SYSTEM
TEMP
SYSAUX
SYS_UNDOTS
4 rows selected.
