Point In Time Recovery


 SQL> create tablespace ar_tbs datafile '/u01/app/oracle/oradata/azkkdb/ar_tbsp01.dbf' size 50m; 
Tablespace created

 SQL> create user anar identified by anar default tablespace ar_tbs;
User created.

 SQL> alter user anar quota unlimited on ar_tbs;
User altered.

 SQL> grant dba to anar;

 Grant succeeded

 SQL> conn anar/anar
Connected.

SQL> create table ar_table (id number);
Table created.
 SQL> insert into ar_table values(1);
 1 row created.
SQL> commit;
Commit complete.

RMAN> backup database plus archivelog;

Starting backup at 01-JAN-14
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=40 device type=DISK
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=4 RECID=2 STAMP=801229445
input archived log thread=1 sequence=5 RECID=4 STAMP=801231229
channel ORA_DISK_1: starting piece 1 at 01-JAN-14
channel ORA_DISK_1: finished piece 1 at 01-JAN-14
piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_annnn_TAG20141205T121353_8cy0l2f3_.bkp tag=TAG20141205T121353 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
Finished backup at 01-JAN-14
Starting backup at 01-JAN-14
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/app/oracle/oradata/azkkdb/system01.dbf
input datafile file number=00002 name=/u01/app/oracle/oradata/azkkdb/sysaux01.dbf
input datafile file number=00005 name=/u01/app/oracle/oradata/azkkdb/example01.dbf
input datafile file number=00003 name=/u01/app/oracle/oradata/azkkdb/undotbs01.dbf
input datafile file number=00006 name=/u01/app/oracle/oradata/azkkdb/ar_tbsp01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/azkkdb/users01.dbf
channel ORA_DISK_1: starting piece 1 at 01-JAN-14
channel ORA_DISK_1: finished piece 1 at 01-JAN-14
piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_nnndf_TAG20141205T121402_8cy0lx6o_.bkp tag=TAG20141205T121402 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:03:36
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 01-JAN-14
channel ORA_DISK_1: finished piece 1 at 01-JAN-14
piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_ncsnf_TAG20141205T121402_8cy0sb8k_.bkp tag=TAG20141205T121402 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
Finished backup at 01-JAN-14
Starting backup at 01-JAN-14
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=6 RECID=6 STAMP=801231319
input archived log thread=1 sequence=7 RECID=8 STAMP=801231474
channel ORA_DISK_1: starting piece 1 at 01-JAN-14
channel ORA_DISK_1: finished piece 1 at 01-JAN-14
piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_annnn_TAG20141205T121754_8cy0sm6c_.bkp tag=TAG20141205T121754 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:07
Finished backup at 01-JAN-14

RMAN> backup archivelog all delete input;

Starting backup at 01-JAN-14
current log archived
using channel ORA_DISK_1
channel ORA_DISK_1: starting archived log backup set
channel ORA_DISK_1: specifying archived log(s) in backup set
input archived log thread=1 sequence=4 RECID=2 STAMP=801229445
input archived log thread=1 sequence=5 RECID=3 STAMP=801231229
input archived log thread=1 sequence=6 RECID=6 STAMP=801231319
input archived log thread=1 sequence=7 RECID=8 STAMP=801231474
input archived log thread=1 sequence=8 RECID=10 STAMP=801231571
channel ORA_DISK_1: starting piece 1 at 01-JAN-14
channel ORA_DISK_1: finished piece 1 at 01-JAN-14
piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_annnn_TAG20141205T121931_8cy0wn3f_.bkp tag=TAG20141205T121931 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH2/1_4_750705673.arc RECID=2 STAMP=801229445
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH/1_5_750705673.arc RECID=3 STAMP=801231229
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH2/1_6_750705673.arc RECID=6 STAMP=801231319
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH2/1_7_750705673.arc RECID=8 STAMP=801231474
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH2/1_8_750705673.arc RECID=10 STAMP=801231571
Finished backup at 01-JAN-14
RMAN>

SQL> select current_scn from v$database;

CURRENT_SCN
-----------------------
922287

SQL> drop tablespace ar_tbs including contents and datafiles;
Tablespace dropped.

[oracle@localhost azkkdb]$ ls -lrt rec*
ls: rec*: No such file or directory
 
[oracle@localhost azkkdb]$ export ORACLE_SID=azkkdb
[oracle@localhost azkkdb]$ rman target /

Recovery Manager: Release 11.2.0.1.0 - Production on Wed JAN 4 12:32:28 2014
Copyright (c) 1982, 2009, Oracle and/or its affiliates. All rights reserved.
connected to target database: AZKKDB (DBID=4080941448)

RMAN> run{
recover tablespace ar_tbs
until scn 922287
auxiliary destination '/home/oracle/';
} 2> 3> 4> 5>

Starting recover at 01-JAN-14
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=41 device type=DISK
RMAN-05026: WARNING: presuming following set of tablespaces applies to specified point-in-time 
List of tablespaces expected to have UNDO segments
Tablespace SYSTEM
Tablespace UNDOTBS1
Creating automatic instance, with SID='ABkw'
initialization parameters used for automatic instance:
db_name=AZKKDB
db_unique_name=ABkw_tspitr_AZKKDB
compatible=11.2.0.0.0

db_block_size=8192
db_files=200
sga_target=280M
processes=50
db_create_file_dest=/home/oracle/
log_archive_dest_1='location=/home/oracle/'
#No auxiliary parameter file used

starting up automatic instance AZKKDB

Oracle instance started
Total System Global Area 292933632 bytes
Fixed Size 1336092 bytes
Variable Size 100666596 bytes
Database Buffers 184549376 bytes
Redo Buffers 6381568 bytes
Automatic instance created

List of tablespaces that have been dropped from the target database: 
Tablespace ar_tbs
 
contents of Memory Script:
{
# set requested point in time
set until scn 922287;
# restore the controlfile
restore clone controlfile;
# mount the controlfile
sql clone 'alter database mount clone database';
# archive current online log
sql 'alter system archive log current';
# avoid unnecessary autobackups for structural changes during TSPITR
sql 'begin dbms_backup_restore.AutoBackupFlag(FALSE); end;';
}
executing Memory Script
executing command: SET until clause

Starting restore at 01-JAN-14
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=19 device type=DISK
channel ORA_AUX_DISK_1: starting datafile backup set restore
channel ORA_AUX_DISK_1: restoring control file
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_ncsnf_TAG20141205T121402_8cy0sb8k_.bkp

channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_ncsnf_TAG20141205T121402_8cy0sb8k_.bkp tag=TAG20141205T121402
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:04
output file name=/home/oracle/AZKKDB/controlfile/o1_mf_8cy1plp0_.ctl
Finished restore at 01-JAN-14
sql statement: alter database mount clone database
sql statement: alter system archive log current
sql statement: begin dbms_backup_restore.AutoBackupFlag(FALSE); end;
contents of Memory Script:
{
# set requested point in time
set until scn 922287;

# set destinations for recovery set and auxiliary set datafiles
set newname for clone datafile 1 to new;
set newname for clone datafile 3 to new;
set newname for clone datafile 2 to new;
set newname for clone tempfile 1 to new;
set newname for datafile 6 to
"/u01/app/oracle/oradata/azkkdb/ar_tbsp01.dbf";
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile 1, 3, 2, 6;
switch clone datafile all;
}
executing Memory Script
executing command: SET until clause
executing command: SET NEWNAME

executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
executing command: SET NEWNAME
renamed tempfile 1 to /home/oracle/AZKKDB/datafile/o1_mf_temp_%u_.tmp in control file
Starting restore at 01-JAN-14
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 /home/oracle/AZKKDB/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /home/oracle/AZKKDB/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00002 to /home/oracle/AZKKDB/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00006 to /u01/app/oracle/oradata/azkkdb/ar_tbsp01.dbf
channel ORA_AUX_DISK_1: reading from backup piece /u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_nnndf_TAG20141205T121402_8cy0lx6o_.bkp
channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/flash_recovery_area/AZKKDB/backupset/2014_12_05/o1_mf_nnndf_TAG20141205T121402_8cy0lx6o_.bkp tag=TAG20141205T121402
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:03:05
Finished restore at 01-JAN-14

datafile 1 switched to datafile copy
input datafile copy RECID=5 STAMP=801232597 file name=/home/oracle/AZKKDB/datafile/o1_mf_system_8cy1px0m_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=6 STAMP=801232597 file name=/home/oracle/AZKKDB/datafile/o1_mf_undotbs1_8cy1px8w_.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=7 STAMP=801232597 file name=/home/oracle/AZKKDB/datafile/o1_mf_sysaux_8cy1px47_.dbf

contents of Memory Script:
{
# set requested point in time
set until scn 922287;
# online the datafiles restored or switched
sql clone "alter database datafile 1 online";
sql clone "alter database datafile 3 online";
sql clone "alter database datafile 2 online";
sql clone "alter database datafile 6 online";
# recover and open resetlogs
recover clone database tablespace "AR_TBS", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog;
alter clone database open resetlogs;
}
executing Memory Script
executing command: SET until clause
sql statement: alter database datafile 1 online
sql statement: alter database datafile 3 online
sql statement: alter database datafile 2 online
sql statement: alter database datafile 6 online

Starting recover at 01-JAN-14
using channel ORA_AUX_DISK_1
starting media recovery
archived log for thread 1 with sequence 6 is already on disk as file /u01/app/oracle/oradata/azkkdb/ARCH/1_6_750705673.arc
archived log for thread 1 with sequence 7 is already on disk as file /u01/app/oracle/oradata/azkkdb/ARCH/1_7_750705673.arc
archived log for thread 1 with sequence 8 is already on disk as file /u01/app/oracle/oradata/azkkdb/ARCH/1_8_750705673.arc
archived log for thread 1 with sequence 9 is already on disk as file /u01/app/oracle/oradata/azkkdb/ARCH/1_9_750705673.arc
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH/1_6_750705673.arc thread=1 sequence=6
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH/1_7_750705673.arc thread=1 sequence=7
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH/1_8_750705673.arc thread=1 sequence=8
archived log file name=/u01/app/oracle/oradata/azkkdb/ARCH/1_9_750705673.arc thread=1 sequence=9
media recovery complete, elapsed time: 00:00:05

Finished recover at 01-JAN-14
database opened
contents of Memory Script:
{
# make read only the tablespace that will be exported
sql clone 'alter tablespace AR_TBS read only';
# create directory for datapump import
sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/home/oracle/''";
# create directory for datapump export
sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/home/oracle/''";
}
executing Memory Script
sql statement: alter tablespace AR_TBS read only
sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/home/oracle/''

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/home/oracle/''
Performing export of metadata...
EXPDP> Starting "SYS"."TSPITR_EXP_ABkw":
EXPDP> Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
EXPDP> Processing object type TRANSPORTABLE_EXPORT/TABLE
EXPDP> Processing object type TRANSPORTABLE_EXPORT/POST_INSTANCE/PLUGTS_BLK
EXPDP> Master table "SYS"."TSPITR_EXP_ABkw" successfully loaded/unloaded
EXPDP> ******************************************************************************
EXPDP> Dump file set for SYS.TSPITR_EXP_ABkw is:
EXPDP> /home/oracle/tspitr_ABkw_88872.dmp

EXPDP> ******************************************************************************
EXPDP> Datafiles required for transportable tablespace AR_TBS:
EXPDP> /u01/app/oracle/oradata/azkkdb/ar_tbsp01.dbf
EXPDP> Job "SYS"."TSPITR_EXP_ABkw" successfully completed at 12:39:42
Export completed

contents of Memory Script:
{
# shutdown clone before import
shutdown clone immediate
}
executing Memory Script
database closed
database dismounted
Oracle instance shut down
Performing import of metadata...
IMPDP> Master table "SYS"."TSPITR_IMP_ABkw" successfully loaded/unloaded
IMPDP> Starting "SYS"."TSPITR_IMP_ABkw":
IMPDP> Processing object type TRANSPORTABLE_EXPORT/PLUGTS_BLK
IMPDP> Processing object type TRANSPORTABLE_EXPORT/TABLE
IMPDP> Processing object type TRANSPORTABLE_EXPORT/POST_INSTANCE/PLUGTS_BLK
IMPDP> Job "SYS"."TSPITR_IMP_ABkw" successfully completed at 12:41:04
Import completed

contents of Memory Script:
{
# make read write and offline the imported tablespaces
sql 'alter tablespace AR_TBS read write';
sql 'alter tablespace AR_TBS offline';
# enable autobackups after TSPITR is finished
sql 'begin dbms_backup_restore.AutoBackupFlag(TRUE); end;';
}
executing Memory Script
sql statement: alter tablespace AR_TBS read write
sql statement: alter tablespace AR_TBS offline 
sql statement: begin dbms_backup_restore.AutoBackupFlag(TRUE); end;

Removing automatic instance
Automatic instance removed
auxiliary instance file /home/oracle/AZKKDB/datafile/o1_mf_temp_8cy1xpjq_.tmp deleted
auxiliary instance file /home/oracle/AZKKDB/onlinelog/o1_mf_3_8cy1xf23_.log deleted
auxiliary instance file /home/oracle/AZKKDB/onlinelog/o1_mf_2_8cy1x5kz_.log deleted
auxiliary instance file /home/oracle/AZKKDB/onlinelog/o1_mf_1_8cy1x0s5_.log deleted
auxiliary instance file /home/oracle/AZKKDB/datafile/o1_mf_sysaux_8cy1px47_.dbf deleted
auxiliary instance file /home/oracle/AZKKDB/datafile/o1_mf_undotbs1_8cy1px8w_.dbf deleted
auxiliary instance file /home/oracle/AZKKDB/datafile/o1_mf_system_8cy1px0m_.dbf deleted
auxiliary instance file /home/oracle/AZKKDB/controlfile/o1_mf_8cy1plp0_.ctl deleted
Finished recover at 01-JAN-14
RMAN>

[oracle@localhost ~]$ pwd
/home/oracle
[oracle@localhost ~]$ ls -lrt
total 100
drwxr-xr-x 2 oracle oinstall 4096 May 9 2011 Desktop
drwxr-x--- 3 oracle oinstall 4096 May 9 2011 oradiag_oracle
drwxr-x--- 5 oracle oinstall 4096 JAN 412:33 AZKKDB
-rw-r----- 1 oracle oinstall 86016 JAN 412:39 tspitr_ABkw_88872.dmp

[oracle@localhost azkkdb]$ pwd
/u01/app/oracle/oradata/azkkdb
[oracle@localhost azkkdb]$ ls -lrt ar_*
-rw-r----- 1 oracle oinstall 52436992 JAN 4 12:46 ar_tbsp01.dbf
 
SQL> select tablespace_name, status from dba_tablespaces where tablespace_name = 'AR_TBS';

TABLESPACE_NAME    STATUS
------------------ ----------
AR_TBS              OFFLINE
 
SQL> alter tablespace ar_tbs online;
Tablespace altered.

SQL> select tablespace_name, status from dba_tablespaces where tablespace_name = 'AR_TBS';

TABLESPACE_NAME    STATUS
----------------- -------------
AR_TBS             ONLINE
 
SQL> conn anar/anar
Connected.

SQL> select * from ar_table;

ID
----------
1
SQL>

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