rman基于TSPITR恢复drop掉的表空间
2013-11-24 21:40
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rman基于TSPITR恢复drop掉的表空间
今天是2013-11-24，在11.2之前无法使用tspitr技术恢复drop掉的表空间，但是到了11.2这个限制已经没有了。测试如下：
SQL> select file_name from dba_data_files;
FILE_NAME
--------------------------------------------------------------------------------
/opt/app/oracle/oradata/RHYS/users01.dbf
/opt/app/oracle/oradata/RHYS/undotbs01.dbf
/opt/app/oracle/oradata/RHYS/sysaux01.dbf
/opt/app/oracle/oradata/RHYS/system01.dbf
/*创建表空间*/
SQL> create tablespace test datafile '/opt/app/oracle/oradata/RHYS/test.dbf' size 10M;
Tablespace created.
SQL> create user Amy identified by Rhys default tablespace test;
User created.
SQL> grant resource,create session to Amy;
Grant succeeded.
SQL> create table t as select * from scott.emp;
Table created.
SQL> commit;
Commit complete.
SQL> select sequence#,status from v$log where status='CURRENT';
SEQUENCE# STATUS
---------- ----------------
44 CURRENT
SQL> r
1* insert into t select * from t
14336 rows created.
SQL> r
1* insert into t select * from t
28672 rows created.
SQL> r
1* insert into t select * from t
57344 rows created.
SQL> select count(*) from dba_objects;
COUNT(*)
----------
86369
SQL>
SQL> alter system switch logfile;
System altered.
SQL> r
1* alter system switch logfile
System altered.
SQL> select sequence#,status from v$log where status='CURRENT';
SEQUENCE# STATUS
---------- ----------------
47 CURRENT
SQL>
/*备份数据库*/
[oracle@oracle-one ~]$ rman target /
Recovery Manager: Release 11.2.0.4.0 - Production on Sun Nov 24 21:14:46 2013
Copyright (c) 1982, 2011, Oracle and/or its affiliates. All rights reserved.
connected to target database: RHYS (DBID=2743302915)
RMAN> backup database include current controlfile plus archivelog delete input;
Starting backup at 24-NOV-13
current log archived
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=44 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=44 RECID=1 STAMP=832367526
input archived log thread=1 sequence=45 RECID=2 STAMP=832367599
input archived log thread=1 sequence=46 RECID=3 STAMP=832367602
input archived log thread=1 sequence=47 RECID=4 STAMP=832367712
channel ORA_DISK_1: starting piece 1 at 24-NOV-13
channel ORA_DISK_1: finished piece 1 at 24-NOV-13
piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_annnn_TAG20131124T211513_993yz1ph_.bkp tag=TAG20131124T211513 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/opt/app/oracle/fast_recovery_area/RHYS/archivelog/2013_11_24/o1_mf_1_44_993ys65q_.arc RECID=1 STAMP=832367526
archived log file name=/opt/app/oracle/fast_recovery_area/RHYS/archivelog/2013_11_24/o1_mf_1_45_993yvhpg_.arc RECID=2 STAMP=832367599
archived log file name=/opt/app/oracle/fast_recovery_area/RHYS/archivelog/2013_11_24/o1_mf_1_46_993yvl5d_.arc RECID=3 STAMP=832367602
archived log file name=/opt/app/oracle/fast_recovery_area/RHYS/archivelog/2013_11_24/o1_mf_1_47_993yz004_.arc RECID=4 STAMP=832367712
Finished backup at 24-NOV-13
Starting backup at 24-NOV-13
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=/opt/app/oracle/oradata/RHYS/system01.dbf
input datafile file number=00004 name=/opt/app/oracle/oradata/RHYS/users01.dbf
input datafile file number=00002 name=/opt/app/oracle/oradata/RHYS/sysaux01.dbf
input datafile file number=00003 name=/opt/app/oracle/oradata/RHYS/undotbs01.dbf
input datafile file number=00005 name=/opt/app/oracle/oradata/RHYS/test.dbf
channel ORA_DISK_1: starting piece 1 at 24-NOV-13
channel ORA_DISK_1: finished piece 1 at 24-NOV-13
piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_nnndf_TAG20131124T211515_993yz4b0_.bkp tag=TAG20131124T211515 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:01:05
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 24-NOV-13
channel ORA_DISK_1: finished piece 1 at 24-NOV-13
piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_ncsnf_TAG20131124T211515_993z16f9_.bkp tag=TAG20131124T211515 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 24-NOV-13
Starting backup at 24-NOV-13
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=48 RECID=5 STAMP=832367783
channel ORA_DISK_1: starting piece 1 at 24-NOV-13
channel ORA_DISK_1: finished piece 1 at 24-NOV-13
piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_annnn_TAG20131124T211623_993z1821_.bkp tag=TAG20131124T211623 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
channel ORA_DISK_1: deleting archived log(s)
archived log file name=/opt/app/oracle/fast_recovery_area/RHYS/archivelog/2013_11_24/o1_mf_1_48_993z17qs_.arc RECID=5 STAMP=832367783
Finished backup at 24-NOV-13
RMAN>
/*删除表空间*/
[oracle@oracle-one ~]$ sqlplus / as sysdba
sel
SQL*Plus: Release 11.2.0.4.0 Production on Sun Nov 24 21:18:14 2013
Copyright (c) 1982, 2013, Oracle. All rights reserved.
e
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
S
SQL> set linesize 200
SQL> select sequence#,status from v$log where status='CURRENT';
SEQUENCE# STATUS
---------- ----------------
49 CURRENT
SQL> drop tablespace test including contents and datafiles;
Tablespace dropped.
SQL> exit
/*恢复表空间*/
RMAN> recover tablespace 'TEST' until logseq 49 auxiliary destination '/opt/app/oracle/oradata/RHYS/';
Starting recover at 24-NOV-13
using channel ORA_DISK_1
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='zvvn'
initialization parameters used for automatic instance:
db_name=RHYS
db_unique_name=zvvn_tspitr_RHYS
compatible=11.2.0.4.0
db_block_size=8192
db_files=230
sga_target=1G
processes=80
db_create_file_dest=/opt/app/oracle/oradata/RHYS/
log_archive_dest_1='location=/opt/app/oracle/oradata/RHYS/'
#No auxiliary parameter file used
starting up automatic instance RHYS
Oracle instance started
Total System Global Area 1068937216 bytes
Fixed Size 2260088 bytes
Variable Size 281019272 bytes
Database Buffers 780140544 bytes
Redo Buffers 5517312 bytes
Automatic instance created
List of tablespaces that have been dropped from the target database:
Tablespace TEST
contents of Memory Script:
{
# set requested point in time
set until logseq 49 thread 1;
# 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 24-NOV-13
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=18 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 /opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_ncsnf_TAG20131124T211515_993z16f9_.bkp
channel ORA_AUX_DISK_1: piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_ncsnf_TAG20131124T211515_993z16f9_.bkp tag=TAG20131124T211515
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/opt/app/oracle/oradata/RHYS/RHYS/controlfile/o1_mf_993zzf1q_.ctl
Finished restore at 24-NOV-13
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 logseq 49 thread 1;
# 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 5 to
"/opt/app/oracle/oradata/RHYS/test.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, 5;
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 /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_temp_%u_.tmp in control file
Starting restore at 24-NOV-13
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 /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00002 to /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00005 to /opt/app/oracle/oradata/RHYS/test.dbf
channel ORA_AUX_DISK_1: reading from backup piece /opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_nnndf_TAG20131124T211515_993yz4b0_.bkp
channel ORA_AUX_DISK_1: piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_nnndf_TAG20131124T211515_993yz4b0_.bkp tag=TAG20131124T211515
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:05
Finished restore at 24-NOV-13
datafile 1 switched to datafile copy
input datafile copy RECID=4 STAMP=832368822 file name=/opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_system_993zznww_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=5 STAMP=832368822 file name=/opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_undotbs1_993zzo02_.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=6 STAMP=832368822 file name=/opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_sysaux_993zzny8_.dbf
contents of Memory Script:
{
# set requested point in time
set until logseq 49 thread 1;
# 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 5 online";
# recover and open resetlogs
recover clone database tablespace "TEST", "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 5 online
Starting recover at 24-NOV-13
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=48
channel ORA_AUX_DISK_1: reading from backup piece /opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_annnn_TAG20131124T211623_993z1821_.bkp
channel ORA_AUX_DISK_1: piece handle=/opt/app/oracle/fast_recovery_area/RHYS/backupset/2013_11_24/o1_mf_annnn_TAG20131124T211623_993z1821_.bkp tag=TAG20131124T211623
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=/opt/app/oracle/oradata/RHYS/1_48_830895689.dbf thread=1 sequence=48
channel clone_default: deleting archived log(s)
archived log file name=/opt/app/oracle/oradata/RHYS/1_48_830895689.dbf RECID=5 STAMP=832368825
media recovery complete, elapsed time: 00:00:01
Finished recover at 24-NOV-13
database opened
contents of Memory Script:
{
# make read only the tablespace that will be exported
sql clone 'alter tablespace "TEST" read only';
# create directory for datapump import
sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/opt/app/oracle/oradata/RHYS/''";
# create directory for datapump export
sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/opt/app/oracle/oradata/RHYS/''";
}
executing Memory Script
sql statement: alter tablespace "TEST" read only
sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/opt/app/oracle/oradata/RHYS/''
sql statement: create or replace directory TSPITR_DIROBJ_DPDIR as ''/opt/app/oracle/oradata/RHYS/''
Performing export of metadata...
EXPDP> Starting "SYS"."TSPITR_EXP_zvvn":
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_zvvn" successfully loaded/unloaded
EXPDP> ******************************************************************************
EXPDP> Dump file set for SYS.TSPITR_EXP_zvvn is:
EXPDP> /opt/app/oracle/oradata/RHYS/tspitr_zvvn_20255.dmp
EXPDP> ******************************************************************************
EXPDP> Datafiles required for transportable tablespace TEST:
EXPDP> /opt/app/oracle/oradata/RHYS/test.dbf
EXPDP> Job "SYS"."TSPITR_EXP_zvvn" successfully completed at Sun Nov 24 21:36:50 2013 elapsed 0 00:02:10
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_zvvn" successfully loaded/unloaded
IMPDP> Starting "SYS"."TSPITR_IMP_zvvn":
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_zvvn" successfully completed at Sun Nov 24 21:37:54 2013 elapsed 0 00:00:18
Import completed
contents of Memory Script:
{
# make read write and offline the imported tablespaces
sql 'alter tablespace "TEST" read write';
sql 'alter tablespace "TEST" offline';
# enable autobackups after TSPITR is finished
sql 'begin dbms_backup_restore.AutoBackupFlag(TRUE); end;';
}
executing Memory Script
sql statement: alter tablespace "TEST" read write
sql statement: alter tablespace "TEST" offline
sql statement: begin dbms_backup_restore.AutoBackupFlag(TRUE); end;
Removing automatic instance
Automatic instance removed
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_temp_994021n7_.tmp deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/onlinelog/o1_mf_3_99401yg6_.log deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/onlinelog/o1_mf_2_99401x7v_.log deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/onlinelog/o1_mf_1_99401vk0_.log deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_sysaux_993zzny8_.dbf deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_undotbs1_993zzo02_.dbf deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/datafile/o1_mf_system_993zznww_.dbf deleted
auxiliary instance file /opt/app/oracle/oradata/RHYS/RHYS/controlfile/o1_mf_993zzf1q_.ctl deleted
Finished recover at 24-NOV-13
RMAN>
进行验证：
[oracle@oracle-one ~]$ sqlplus / as sysdba
SQL*Plus: Release 11.2.0.4.0 Production on Sun Nov 24 21:38:59 2013
Copyright (c) 1982, 2013, Oracle. All rights reserved.
Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> conn Amy/Rhys
Connected.
SQL> select count(*) from t;
select count(*) from t
*
ERROR at line 1:
ORA-00376: file 5 cannot be read at this time
ORA-01110: data file 5: '/opt/app/oracle/oradata/RHYS/test.dbf'
SQL> select tablespace_name,status,plugged_in from dba_tablespaces;
TABLESPACE_NAME STATUS PLU
------------------------------ --------- ---
SYSTEM ONLINE NO
SYSAUX ONLINE NO
UNDOTBS1 ONLINE NO
TEMP ONLINE NO
USERS ONLINE NO
TEST OFFLINE YES
6 rows selected.
SQL> alter tablespace test online;
Tablespace altered.
SQL> select tablespace_name,status,plugged_in from dba_tablespaces;
TABLESPACE_NAME STATUS PLU
------------------------------ --------- ---
SYSTEM ONLINE NO
SYSAUX ONLINE NO
UNDOTBS1 ONLINE NO
TEMP ONLINE NO
USERS ONLINE NO
TEST ONLINE YES
6 rows selected.
SQL> select count(*) from t;
COUNT(*)
----------
114688
SQL> select count(*) from dba_objects;
COUNT(*)
----------
86366
SQL>
That‘s all！
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