Oracle12 RMAN新特性Recover Table有什么作用

sql> create table t_recover_test as select * from dba_objects;  

Table created.

SQL> select count(*) from t_recover_test;

COUNT(*)

----------

 72652

[oracle@localhost ~]$ rman target /

Recovery Manager: Release 12.2.0.1.0 - Production on Thu Jun 28 21:06:17 2018

Copyright (c) 1982, 2017, Oracle and/or its affiliates.  All rights reserved.

connected to target database: PCC (DBID=3164878903)

RMAN> backup database fORMat '/home/oracle/bak/db_%U';

Starting backup at 28-JUN-18

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=61 device type=DISK

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=/home/oracle/oradata/pcc/system01.dbf

input datafile file number=00003 name=/home/oracle/oradata/pcc/sysaux01.dbf

input datafile file number=00004 name=/home/oracle/oradata/pcc/undotbs01.dbf

input datafile file number=00005 name=/home/oracle/oradata/pcc/tbs_zyq01.dbf

input datafile file number=00007 name=/home/oracle/oradata/pcc/users01.dbf

channel ORA_DISK_1: starting piece 1 at 28-JUN-18

channel ORA_DISK_1: finished piece 1 at 28-JUN-18

piece handle=/home/oracle/bak/db_01t6k254_1_1 tag=TAG20180628T215236 comment=NONE

channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15

Finished backup at 28-JUN-18

Starting Control File and SPFILE Autobackup at 28-JUN-18

piece handle=/u01/app/oracle/product/12.2.0.1/dbs/c-3164878903-20180628-00 comment=NONE

Finished Control File and SPFILE Autobackup at 28-JUN-18

[oracle@localhost ~]$ rman target /

Recovery Manager: Release 12.2.0.1.0 - Production on Fri Jun 29 00:52:29 2018

Copyright (c) 1982, 2017, Oracle and/or its affiliates.  All rights reserved.

connected to target database: PCC (DBID=3164878903)

RMAN> RECOVER TABLE zyq.t_recover_test

until time  "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')"

AUXILIARY DESTINATION '/data01'

REMAP TABLE zyq.t_recover_test:t_recover_test_map;

Starting recover at 29-JUN-18

using target database control file instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: SID=66 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='hCed'

initialization parameters used for automatic instance:

db_name=PCC

db_unique_name=hCed_pitr_PCC

compatible=12.2.0

db_block_size=8192

db_files=200

diagnostic_dest=/u01/app/oracle

_system_trig_enabled=FALSE

sga_target=732M

processes=200

db_create_file_dest=/data01

log_archive_dest_1='location=/data01'

#No auxiliary parameter file used

starting up automatic instance PCC

Oracle instance started

Total System Global Area     767557632 bytes

Fixed Size                     8625416 bytes

Variable Size                213910264 bytes

Database Buffers             541065216 bytes

Redo Buffers                   3956736 bytes

Automatic instance created

contents of Memory Script:

{

# set requested point in time

set until  time "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')";

# 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';

}

executing Memory Script

executing command: SET until clause

Starting restore at 29-JUN-18

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=35 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/product/12.2.0.1/dbs/c-3164878903-20180628-01

channel ORA_AUX_DISK_1: piece handle=/u01/app/oracle/product/12.2.0.1/dbs/c-3164878903-20180628-01 tag=TAG20180628T234914

channel ORA_AUX_DISK_1: restored backup piece 1

channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:02

output file name=/data01/PCC/controlfile/o1_mf_fmcsc00p_.ctl

Finished restore at 29-JUN-18

sql statement: alter database mount clone database

sql statement: alter system archive log current

contents of Memory Script:

{

# set requested point in time

set until  time "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')";

# set destinations for recovery set and auxiliary set datafiles

set newname for clone datafile  1 to new;

set newname for clone datafile  4 to new;

set newname for clone datafile  3 to new;

set newname for clone tempfile  1 to new;

# switch all tempfiles

switch clone tempfile all;

# restore the tablespaces in the recovery set and the auxiliary set

restore clone datafile  1, 4, 3;

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

renamed tempfile 1 to /data01/PCC/datafile/o1_mf_temp_%u_.tmp in control file

Starting restore at 29-JUN-18

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 /data01/PCC/datafile/o1_mf_system_%u_.dbf

channel ORA_AUX_DISK_1: restoring datafile 00004 to /data01/PCC/datafile/o1_mf_undotbs1_%u_.dbf

channel ORA_AUX_DISK_1: restoring datafile 00003 to /data01/PCC/datafile/o1_mf_sysaux_%u_.dbf

channel ORA_AUX_DISK_1: reading from backup piece /home/oracle/bak/db_01t6k254_1_1

channel ORA_AUX_DISK_1: piece handle=/home/oracle/bak/db_01t6k254_1_1 tag=TAG20180628T215236

channel ORA_AUX_DISK_1: restored backup piece 1

channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:15

Finished restore at 29-JUN-18

datafile 1 switched to datafile copy

input datafile copy RECID=4 STAMP=980038406 file name=/data01/PCC/datafile/o1_mf_system_fmcsc755_.dbf

datafile 4 switched to datafile copy

input datafile copy RECID=5 STAMP=980038406 file name=/data01/PCC/datafile/o1_mf_undotbs1_fmcsc75h_.dbf

datafile 3 switched to datafile copy

input datafile copy RECID=6 STAMP=980038406 file name=/data01/PCC/datafile/o1_mf_sysaux_fmcsc75c_.dbf

contents of Memory Script:

{

# set requested point in time

set until  time "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')";

# online the datafiles restored or switched

sql clone "alter database datafile  1 online";

sql clone "alter database datafile  4 online";

sql clone "alter database datafile  3 online";

# recover and open database read only

recover clone database tablespace  "SYSTEM", "UNDOTBS1", "SYSAUX";

sql clone 'alter database open read only';

}

executing Memory Script

executing command: SET until clause

sql statement: alter database datafile  1 online

sql statement: alter database datafile  4 online

sql statement: alter database datafile  3 online

Starting recover at 29-JUN-18

using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 3 is already on disk as file /u01/app/oracle/product/12.2.0.1/dbs/arch2_3_979872889.dbf

archived log for thread 1 with sequence 4 is already on disk as file /u01/app/oracle/product/12.2.0.1/dbs/arch2_4_979872889.dbf

archived log file name=/u01/app/oracle/product/12.2.0.1/dbs/arch2_3_979872889.dbf thread=1 sequence=3

archived log file name=/u01/app/oracle/product/12.2.0.1/dbs/arch2_4_979872889.dbf thread=1 sequence=4

media recovery complete, elapsed time: 00:00:11

Finished recover at 29-JUN-18

sql statement: alter database open read only

contents of Memory Script:

{

sql clone "create spfile from memory";

shutdown clone immediate;

startup clone nomount;

sql clone "alter system set  control_files =

''/data01/PCC/controlfile/o1_mf_fmcsc00p_.ctl'' comment=

''RMAN set'' scope=spfile";

shutdown clone immediate;

startup clone nomount;

# mount database

sql clone 'alter database mount clone database';

}

executing Memory Script

sql statement: create spfile from memory

database closed

database dismounted

Oracle instance shut down

connected to auxiliary database (not started)

Oracle instance started

Total System Global Area     767557632 bytes

Fixed Size                     8625416 bytes

Variable Size                213910264 bytes

Database Buffers             541065216 bytes

Redo Buffers                   3956736 bytes

sql statement: alter system set  control_files =   ''/data01/PCC/controlfile/o1_mf_fmcsc00p_.ctl'' comment= ''RMAN set'' scope=spfile

Oracle instance shut down

connected to auxiliary database (not started)

Oracle instance started

Total System Global Area     767557632 bytes

Fixed Size                     8625416 bytes

Variable Size                213910264 bytes

Database Buffers             541065216 bytes

Redo Buffers                   3956736 bytes

sql statement: alter database mount clone database

contents of Memory Script:

{

# set requested point in time

set until  time "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')";

# set destinations for recovery set and auxiliary set datafiles

set newname for datafile  5 to new;

# restore the tablespaces in the recovery set and the auxiliary set

restore clone datafile  5;

switch clone datafile all;

}

executing Memory Script

executing command: SET until clause

executing command: SET NEWNAME

Starting restore at 29-JUN-18

allocated channel: ORA_AUX_DISK_1

channel ORA_AUX_DISK_1: SID=34 device type=DISK

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 00005 to /data01/HCED_PITR_PCC/datafile/o1_mf_tbs_zyq_%u_.dbf

channel ORA_AUX_DISK_1: reading from backup piece /home/oracle/bak/db_01t6k254_1_1

channel ORA_AUX_DISK_1: piece handle=/home/oracle/bak/db_01t6k254_1_1 tag=TAG20180628T215236

channel ORA_AUX_DISK_1: restored backup piece 1

channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:03

Finished restore at 29-JUN-18

datafile 5 switched to datafile copy

input datafile copy RECID=8 STAMP=980038478 file name=/data01/HCED_PITR_PCC/datafile/o1_mf_tbs_zyq_fmcsfttn_.dbf

contents of Memory Script:

{

# set requested point in time

set until  time "to_date('2018-06-28 23:56:06','yyyy-mm-dd hh34:mi:ss')";

# online the datafiles restored or switched

sql clone "alter database datafile  5 online";

# recover and open resetlogs

recover clone database tablespace  "TBS_ZYQ", "SYSTEM", "UNDOTBS1", "SYSAUX" delete archivelog;

alter clone database open resetlogs;

}

executing Memory Script

executing command: SET until clause

sql statement: alter database datafile  5 online

Starting recover at 29-JUN-18

using channel ORA_AUX_DISK_1

starting media recovery

archived log for thread 1 with sequence 3 is already on disk as file /u01/app/oracle/product/12.2.0.1/dbs/arch2_3_979872889.dbf

archived log for thread 1 with sequence 4 is already on disk as file /u01/app/oracle/product/12.2.0.1/dbs/arch2_4_979872889.dbf

archived log file name=/u01/app/oracle/product/12.2.0.1/dbs/arch2_3_979872889.dbf thread=1 sequence=3

archived log file name=/u01/app/oracle/product/12.2.0.1/dbs/arch2_4_979872889.dbf thread=1 sequence=4

media recovery complete, elapsed time: 00:00:01

Finished recover at 29-JUN-18

database opened

contents of Memory Script:

{

# create directory for datapump import

sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''

/data01''";

# create directory for datapump export

sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''

/data01''";

}

executing Memory Script

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/data01''

sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/data01''

Performing export of tables...

   EXPDP> Starting "SYS"."TSPITR_EXP_hCed_Dhxe":  

   EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

   EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

   EXPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER

   EXPDP> Processing object type TABLE_EXPORT/TABLE/TABLE

   EXPDP> . . exported "ZYQ"."T_RECOVER_TEST"                      9.324 MB   72652 rows

   EXPDP> Master table "SYS"."TSPITR_EXP_hCed_Dhxe" successfully loaded/unloaded

   EXPDP> ******************************************************************************

   EXPDP> Dump file set for SYS.TSPITR_EXP_hCed_Dhxe is:

   EXPDP>   /data01/tspitr_hCed_71393.dmp

   EXPDP> Job "SYS"."TSPITR_EXP_hCed_Dhxe" successfully completed at Fri Jun 29 00:55:41 2018 elapsed 0 00:00:35

Export completed

contents of Memory Script:

{

# shutdown clone before import

shutdown clone abort

}

executing Memory Script

Oracle instance shut down

Performing import of tables...

   IMPDP> Master table "SYS"."TSPITR_IMP_hCed_Arhm" successfully loaded/unloaded

   IMPDP> Starting "SYS"."TSPITR_IMP_hCed_Arhm":  

   IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE

   IMPDP> Processing object type TABLE_EXPORT/TABLE/TABLE_DATA

   IMPDP> . . imported "ZYQ"."T_RECOVER_TEST_MAP"                  9.324 MB   72652 rows

   IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/TABLE_STATISTICS

   IMPDP> Processing object type TABLE_EXPORT/TABLE/STATISTICS/MARKER

   IMPDP> Job "SYS"."TSPITR_IMP_hCed_Arhm" successfully completed at Fri Jun 29 00:56:43 2018 elapsed 0 00:00:45

Import completed

Removing automatic instance

Automatic instance removed

auxiliary instance file /data01/PCC/datafile/o1_mf_temp_fmcsd5ny_.tmp deleted

auxiliary instance file /data01/HCED_PITR_PCC/onlinelog/o1_mf_3_fmcsg3y6_.log deleted

auxiliary instance file /data01/HCED_PITR_PCC/onlinelog/o1_mf_2_fmcsg07o_.log deleted

auxiliary instance file /data01/HCED_PITR_PCC/onlinelog/o1_mf_1_fmcsfzr1_.log deleted

auxiliary instance file /data01/HCED_PITR_PCC/datafile/o1_mf_tbs_zyq_fmcsfttn_.dbf deleted

auxiliary instance file /data01/PCC/datafile/o1_mf_sysaux_fmcsc75c_.dbf deleted

auxiliary instance file /data01/PCC/datafile/o1_mf_undotbs1_fmcsc75h_.dbf deleted

auxiliary instance file /data01/PCC/datafile/o1_mf_system_fmcsc755_.dbf deleted

auxiliary instance file /data01/PCC/controlfile/o1_mf_fmcsc00p_.ctl deleted

auxiliary instance file tspitr_hCed_71393.dmp deleted

Finished recover at 29-JUN-18

RMAN>

SQL> select count(*) from T_RECOVER_TEST_MAP;

  COUNT(*)

----------

     72652