Oracle误删除表空间的恢复-阿里云开发者社区

开发者社区> 技术小美> 正文

Oracle误删除表空间的恢复

简介:
+关注继续查看

对于误删除表空间的恢复,本文通过基于数据库的时间点恢复和基于表空间的时间点恢复分别加以讨论

一 通过基于数据库的时间点恢复被误删除的表空间

1 需要注意的事项

a 基于数据库的时间点恢复将会回退整个数据库。

b 误删除表空间,当数据库有之前可用于恢复的全库备份和相关归档,如果对数据库执行不完全恢复,恢复该数据库到删除表空间之前的状态,便可恢复误删除的表空间。但实际上当我们删除表空间,数据库备份中将不存在关于该表空间的的信息,直接进行恢复将会出现问题。如下所示:

RMAN> list backup of database;


using target database control file instead of recovery catalog


List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
34      Incr 0  2.04G      DISK        00:02:22    2014-02-09 19:13:39
        BP Key: 34  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T191116
        Piece Name: /backup/crm/full-20140209-14p0792l_1_1.bak
  List of Datafiles in backup set 34
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
  1    0  Incr 3892854    2014-02-09 19:11:17 /Oracle/CRM/CRM/system01.dbf
  2    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/sysaux01.dbf
  3    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/undotbs01.dbf
  4    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/users01.dbf
  5    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/jxc.dbf
6    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/pos.dbf
  7    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/user01.dbf
  8    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/erp.dbf
  9    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/undotbs03.dbf
  12  0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/crm.dbf


RMAN> host;


[oracle@dest bak]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Sun Feb 9 19:16:40 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL>drop tablespace pos  including contents and datafiles;


Tablespace dropped.


RMAN> list backup of database;
List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
34      Incr 0  2.04G      DISK        00:02:22    2014-02-09 19:13:39
        BP Key: 34  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T191116
        Piece Name: /backup/crm/full-20140209-14p0792l_1_1.bak
  List of Datafiles in backup set 34
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
  1    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/system01.dbf
  2    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/sysaux01.dbf
  3    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/undotbs01.dbf
  4    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/CRM/users01.dbf
  5    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/jxc.dbf
6    0  Incr 3892854    2014-02-09 19:11:17 
  7    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/user01.dbf
  8    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/erp.dbf
  9    0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/undotbs03.dbf
  12  0  Incr 3892854    2014-02-09 19:11:17 /oracle/CRM/crm.dbf
所以,在恢复前应该先用上一次全备份时刻控制文件备份恢复当前控制文件,之后再对整个数据库执行基于时间点的不完全恢复


2  创建测试表空间及相应的用户
[oracle@dest bak]$ sqlplus / as  sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Sun Feb 9 18:18:28 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> select group#,archived,sequence#,status from v$log;


    GROUP# ARC  SEQUENCE# STATUS
---------- --- ---------- ----------------
        1 NO          1 CURRENT
        2 YES          0 UNUSED
        3 YES          0 UNUSED


SQL> alter system switch logfile;


System altered.


SQL> /


System altered.


SQL> /


System altered.


SQL> create tablespace jxc datafile '/oracle/CRM/jxc.dbf' size 10m;


Tablespace created.


SQL>  create user zx identified by dhhzdhhz default tablespace jxc;


User created.


SQL> grant connect ,resource to zx;


Grant succeeded.


SQL> exit

3 备份数据库
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@dest bak]$ ls
crm201402091452.log  crm201402091727.log  fullbk.txt  rman.sh
[oracle@dest bak]$ cat rman.sh
#!/bin/bash
export today=`date +%Y%m%d%H%M`
export ORACLE_HOME=/oracle/app/db1
export ORACLE_SID=CRM
$ORACLE_HOME/bin/rman target sys/DHHZDHHZ log=/oracle/bak/crm.log cmdfile=/oracle/bak/fullbk.txt
mv /oracle/bak/crm.log  "/oracle/bak/crm${today}.log"


[oracle@dest bak]$ cat fullbk.txt
run{
delete noprompt obsolete;
crosscheck backup;
delete noprompt expired backup;
crosscheck archivelog all;
delete noprompt expired archivelog all;
backup incremental level=0  database format '/backup/crm/full-%T-%U.bak';
backup archivelog all  format '/backup/crm/arch-%T-%U.bak'; 
backup current controlfile format '/backup/crm/ctl-%T-%U.bak';
backup spfile format '/backup/crm/spf-%T-%U.bak';
delete noprompt archivelog all completed before 'SYSDATE - 7'; 
}
[oracle@dest bak]$ ./rman.sh
RMAN> 2> 3> 4> 5> 6> 7> 8> 9> 10> 11> 12> 13> [oracle@dest bak]$ 
[oracle@dest bak]$ 
[oracle@dest bak]$ 
[oracle@dest bak]$ rman target /


Recovery Manager: Release 11.2.0.2.0 - Production on Sun Feb 9 18:32:41 2014


Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


connected to target database: CRM (DBID=3641885733)


RMAN> list backup of tablespace jxc;


using target database control file instead of recovery catalog


List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
23      Incr 0  2.04G      DISK        00:02:29    2014-02-09 18:31:05
        BP Key: 23  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T182835
        Piece Name: /backup/crm/full-20140209-0np076ik_1_1.bak
  List of Datafiles in backup set 23
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
  5    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/jxc.dbf


RMAN> exit

 


4 在表空间上创建测试数据
[oracle@dest bak]$ sqlplus zx/dhhzdhhz


SQL*Plus: Release 11.2.0.2.0 Production on Sun Feb 9 18:33:07 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options

 


SQL> create table test1(i int);                     


Table created.


SQL> begin
  2  for i in 1..20 loop
  3  insert into test1 values(i);
  4  end loop;
  5  commit;
  6  end;
  7  /


PL/SQL procedure successfully completed.


SQL> select * from zx.test1;


        I
----------
        1
        2
        3
        4
        5
        6
        7
        8
        9
        10
        11


        I
----------
        12
        13
        14
        15
        16
        17
        18
        19
        20


20 rows selected.
SQL> exit  
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@dest bak]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Sun Feb 9 18:34:17 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> alter system checkpoint;


System altered.


SQL> alter system switch logfile;


System altered.


5 记录drop掉表空间前当前数据库的时间点。


SQL> select current_scn,to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from v$database;


CURRENT_SCN TO_CHAR(SYSDATE,'YY
----------- -------------------
    3892004 2014-02-09 18:35:05


SQL> 
SQL> 
SQL> alter system checkpoint;


System altered.


SQL> alter system switch logfile;


System altered.


6 drop掉表空间和相应的数据文件


SQL> drop tablespace jxc including contents and datafiles;


Tablespace dropped.

7 恢复控制文件


RMAN> list backup of controlfile;

 


List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
24      Incr 0  9.67M      DISK        00:00:04    2014-02-09 18:31:19
        BP Key: 24  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T182835
        Piece Name: /backup/crm/full-20140209-0op076nj_1_1.bak
  Control File Included: Ckp SCN: 3891837      Ckp time: 2014-02-09 18:31:15


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
34      Full    9.64M      DISK        00:00:02    2014-02-09 18:31:38
        BP Key: 34  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T183136
        Piece Name: /backup/crm/ctl-20140209-12p076o8_1_1.bak
  Control File Included: Ckp SCN: 3891864      Ckp time: 2014-02-09 18:31:36


RMAN> list backup of database;

 


List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
23      Incr 0  2.04G      DISK        00:02:29    2014-02-09 18:31:05
        BP Key: 23  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T182835
        Piece Name: /backup/crm/full-20140209-0np076ik_1_1.bak
  List of Datafiles in backup set 23
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
  1    0  Incr 3891775    2014-02-09 18:28:36 /Oracle/CRM/CRM/system01.dbf
  2    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/sysaux01.dbf
  3    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/undotbs01.dbf
  4    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/users01.dbf
  5    0  Incr 3891775    2014-02-09 18:28:36 
  6    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/pos.dbf
  7    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/user01.dbf
  8    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/erp.dbf
  9    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/undotbs03.dbf
  12  0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/crm.dbf


RMAN> startup force nomount;       


Oracle instance started


Total System Global Area    952020992 bytes


Fixed Size                    2232208 bytes
Variable Size                633340016 bytes
Database Buffers            310378496 bytes
Redo Buffers                  6070272 bytes

 

 


RMAN> restore controlfile to '/oracle/CRM/CRM/control01.ctl' from '/backup/crm/ctl-20140209-12p076o8_1_1.bak';


Starting restore at 2014-02-09 18:56:10
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=63 device type=DISK


channel ORA_DISK_1: restoring control file
channel ORA_DISK_1: restore complete, elapsed time: 00:00:01
Finished restore at 2014-02-09 18:56:13


RMAN> exit

 


Recovery Manager complete.
[oracle@dest bak]$ cd /oracle/CRM/CRM


[oracle@dest CRM]$ ls -lt
total 3325464
-rw-r----- 1 oracle oinstall  10076160 Feb  9 18:56 control01.ctl
-rw-r----- 1 oracle oinstall  10076160 Feb  9 18:53 control02.ctl
-rw-r----- 1 oracle oinstall  555753472 Feb  9 18:42 sysaux01.dbf
-rw-r----- 1 oracle oinstall  828383232 Feb  9 18:42 system01.dbf
-rw-r----- 1 oracle oinstall  115351552 Feb  9 18:42 undotbs01.dbf
-rw-r----- 1 oracle oinstall 1251745792 Feb  9 18:42 users01.dbf
-rw-r----- 1 oracle oinstall  209715712 Feb  9 18:38 redo01.log
-rw-r----- 1 oracle oinstall  209715712 Feb  9 18:35 redo03.log
-rw-r----- 1 oracle oinstall  209715712 Feb  9 18:34 redo02.log
-rw-r----- 1 oracle oinstall  30416896 Feb  9 15:00 temp01.dbf
[oracle@dest CRM]$ cp control01.ctl control02.ctl
[oracle@dest CRM]$ ls
control01.ctl  redo01.log  redo03.log    system01.dbf  undotbs01.dbf
control02.ctl  redo02.log  sysaux01.dbf  temp01.dbf    users01.dbf


[oracle@dest CRM]$ rman target /


Recovery Manager: Release 11.2.0.2.0 - Production on Sun Feb 9 18:57:57 2014


Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


connected to target database: CRM (not mounted)


RMAN> alter database mount;


using target database control file instead of recovery catalog
database mounted


RMAN> list backup of database;

 


List of Backup Sets
===================

 


BS Key  Type LV Size      Device Type Elapsed Time Completion Time    
------- ---- -- ---------- ----------- ------------ -------------------
23      Incr 0  2.04G      DISK        00:02:29    2014-02-09 18:31:05
        BP Key: 23  Status: AVAILABLE  Compressed: NO  Tag: TAG20140209T182835
        Piece Name: /backup/crm/full-20140209-0np076ik_1_1.bak
  List of Datafiles in backup set 23
  File LV Type Ckp SCN    Ckp Time            Name
  ---- -- ---- ---------- ------------------- ----
  1    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/system01.dbf
  2    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/sysaux01.dbf
  3    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/undotbs01.dbf
  4    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/CRM/users01.dbf
  5    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/jxc.dbf
  6    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/pos.dbf
  7    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/user01.dbf
  8    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/erp.dbf
  9    0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/undotbs03.dbf
  12  0  Incr 3891775    2014-02-09 18:28:36 /oracle/CRM/crm.dbf

 


8 执行基于数据库的时间点恢复回退整个数据库至2014-02-09 18:35:05
RMAN> run{
2> set until time "to_date('2014-02-09 18:35:05','YYYY-MM-DD HH24:MI:SS')"; 
3> restore database;
4> recover database; 
5> }


executing command: SET until clause


Starting restore at 2014-02-09 18:59:02
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=63 device type=DISK


skipping datafile 6; already restored to file /oracle/CRM/pos.dbf
skipping datafile 7; already restored to file /oracle/CRM/user01.dbf
skipping datafile 8; already restored to file /oracle/CRM/erp.dbf
skipping datafile 9; already restored to file /oracle/CRM/undotbs03.dbf
channel ORA_DISK_1: starting datafile backup set restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
channel ORA_DISK_1: restoring datafile 00001 to /oracle/CRM/CRM/system01.dbf
channel ORA_DISK_1: restoring datafile 00002 to /oracle/CRM/CRM/sysaux01.dbf
channel ORA_DISK_1: restoring datafile 00003 to /oracle/CRM/CRM/undotbs01.dbf
channel ORA_DISK_1: restoring datafile 00004 to /oracle/CRM/CRM/users01.dbf
channel ORA_DISK_1: restoring datafile 00005 to /oracle/CRM/jxc.dbf
channel ORA_DISK_1: restoring datafile 00012 to /oracle/CRM/crm.dbf
channel ORA_DISK_1: reading from backup piece /backup/crm/full-20140209-0np076ik_1_1.bak
channel ORA_DISK_1: piece handle=/backup/crm/full-20140209-0np076ik_1_1.bak tag=TAG20140209T182835
channel ORA_DISK_1: restored backup piece 1
channel ORA_DISK_1: restore complete, elapsed time: 00:02:28
Finished restore at 2014-02-09 19:01:32


Starting recover at 2014-02-09 19:01:33
using channel ORA_DISK_1


starting media recovery


archived log for thread 1 with sequence 4 is already on disk as file /oracle/archivelog/arch_1_4_839094460.arch
archived log for thread 1 with sequence 5 is already on disk as file /oracle/CRM/CRM/redo02.log
archived log for thread 1 with sequence 6 is already on disk as file /oracle/CRM/CRM/redo03.log
archived log file name=/oracle/archivelog/arch_1_4_839094460.arch thread=1 sequence=4
archived log file name=/oracle/CRM/CRM/redo02.log thread=1 sequence=5
archived log file name=/oracle/CRM/CRM/redo03.log thread=1 sequence=6
media recovery complete, elapsed time: 00:00:04
Finished recover at 2014-02-09 19:01:46


RMAN> report schema;


RMAN-06139: WARNING: control file is not current for REPORT SCHEMA
Report of database schema for database with db_unique_name CRM


List of Permanent Datafiles
===========================
File Size(MB) Tablespace          RB segs Datafile Name
---- -------- -------------------- ------- ------------------------
1    790      SYSTEM              ***    /oracle/CRM/CRM/system01.dbf
2    530      SYSAUX              ***    /oracle/CRM/CRM/sysaux01.dbf
3    110      UNDOTBS1            ***    /oracle/CRM/CRM/undotbs01.dbf
4    1193    USERS                ***    /oracle/CRM/CRM/users01.dbf
5    10      JXC              ***    /oracle/CRM/jxc.dbf
6    100      POS                  ***    /oracle/CRM/pos.dbf
7    5        USER01              ***    /oracle/CRM/user01.dbf
8    100      ERP                  ***    /oracle/CRM/erp.dbf
9    100      UNDOTBS3            ***    /oracle/CRM/undotbs03.dbf
12  10      CRM                  ***    /oracle/CRM/crm.dbf


List of Temporary Files
=======================
File Size(MB) Tablespace          Maxsize(MB) Tempfile Name
---- -------- -------------------- ----------- --------------------
1    29      TEMP                29          /oracle/CRM/CRM/temp01.dbf


RMAN> exit


9 以resetlogs方式打开数据库


[oracle@dest CRM]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Sun Feb 9 19:02:10 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> alter database open resetlogs;


Database altered.


10 验证数据是否恢复
SQL> select tablespace_name,status from dba_tablespaces;


TABLESPACE_NAME                STATUS
------------------------------ ---------
SYSTEM                        ONLINE
SYSAUX                        ONLINE
UNDOTBS1                      ONLINE
TEMP                          ONLINE
USERS                          ONLINE
JXC                            ONLINE
POS                            ONLINE
USER01                        ONLINE
ERP                            ONLINE
UNDOTBS3                      ONLINE
CRM                            ONLINE


11 rows selected.


SQL> col file_name for a50
SQL> set linesize 400
SQL> select file_name,tablespace_name,status from dba_data_files;
FILE_NAME                                  TABLESPACE_NAME      STATUS
---------------------------------- ------------------------------ ---------
/oracle/CRM/crm.dbf                              CRM                            AVAILABLE
/oracle/CRM/undotbs03.dbf                        UNDOTBS3                      AVAILABLE
/oracle/CRM/erp.dbf                              ERP                            AVAILABLE
/oracle/CRM/user01.dbf                          USER01                        AVAILABLE
/oracle/CRM/pos.dbf                              POS                            AVAILABLE
/oracle/CRM/CRM/users01.dbf                      USERS                          AVAILABLE
/oracle/CRM/CRM/undotbs01.dbf                    UNDOTBS1                      AVAILABLE
/oracle/CRM/CRM/sysaux01.dbf                    SYSAUX                        AVAILABLE
/oracle/CRM/CRM/system01.dbf                    SYSTEM                        AVAILABLE
/oracle/CRM/jxc.dbf                              JXC                            AVAILABLE


10 rows selected.


SQL> select * from zx.test1;


        I
----------
        1
        2
        3
        4
        5
        6
        7
        8
        9
        10
        11


        I
----------
        12
        13
        14
        15
        16
        17
        18
        19
        20


20 rows selected.

二 通过基于表空间的时间点恢复被误删除的表空间


1 创建测试用的表jxc表空间及用户
SQL> select name from v$datafile;


NAME
--------------------------------------------------------------------------------
/Oracle/CRM/CRM/system01.dbf
/oracle/CRM/CRM/sysaux01.dbf
/oracle/CRM/CRM/undotbs01.dbf
/oracle/CRM/CRM/users01.dbf
/oracle/CRM/user01.dbf
/oracle/CRM/erp.dbf
/oracle/CRM/undotbs03.dbf
/oracle/CRM/crm.dbf


8 rows selected.


SQL> create tablespace jxc datafile '/oracle/CRM/jxc.dbf' size 10m;


Tablespace created.


SQL> create user zx identified by dhhzdhhz default tablespace jxc;


User created.

 


SQL> grant resource,connect to zx;


Grant succeeded.


SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@dest ~]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Mon Feb 10 02:05:25 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> alter system switch logfile;


System altered.


SQL> alter system switch logfile;


System altered.


SQL> alter system switch logfile;


System altered.


SQL> alter system checkpoint;


System altered.


SQL> /


System altered.


SQL> exit


2 对整个数据库做一次全备份
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@dest ~]$ rman target /


Recovery Manager: Release 11.2.0.2.0 - Production on Mon Feb 10 02:07:05 2014


Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


connected to target database: CRM (DBID=3641885733)


RMAN> list backup of database;


using target database control file instead of recovery catalog
specification does not match any backup in the repository


RMAN> run{
2> delete noprompt obsolete;
3> crosscheck backup;
4> delete noprompt expired backup;
5> crosscheck archivelog all;
6> delete noprompt expired archivelog all;
7> backup incremental level=0  database format '/backup/crm/full-%T-%U.bak';
8> backup archivelog all  format '/backup/crm/arch-%T-%U.bak'; 
9> backup current controlfile format '/backup/crm/ctl-%T-%U.bak';
10> backup spfile format '/backup/crm/spf-%T-%U.bak';
11> delete noprompt archivelog all completed before 'SYSDATE - 7'; 
12> }


.................备份过程省略.........................................


3 在jxc表空间上创建测试数据


[oracle@dest ~]$ sqlplus zx/dhhzdhhz


SQL*Plus: Release 11.2.0.2.0 Production on Mon Feb 10 02:12:17 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL>  create table test1(i int); 


Table created.


SQL> begin
  2  for i in 1..20 loop
  3  insert into test1 values(i);
  4  end loop;
  5  commit;
  6  end;
  7  /


PL/SQL procedure successfully completed.


SQL> exit
Disconnected from Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
[oracle@dest ~]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Mon Feb 10 02:13:35 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> alter system switch logfile;


System altered.


SQL> alter system switch logfile;


System altered.


SQL> alter system switch logfile;


System altered.


SQL> alter system checkpoint;


System altered.


4 查询当前数据库的时间


SQL> select current_scn,to_char(sysdate,'yyyy-mm-dd hh24:mi:ss') from v$database;


CURRENT_SCN TO_CHAR(SYSDATE,'YY
----------- -------------------
    3905661 2014-02-10 02:14:23

 


5 删除jxc表空间


SQL> alter system switch logfile;


System altered.


SQL> alter system switch logfile;


System altered.


SQL> alter system checkpoint;


System altered.


SQL> drop tablespace jxc including contents and datafiles;


Tablespace dropped.


SQL> exit


6 执行全自动rman管理的表空间时间点恢复


[oracle@dest ~]$ rman target /


Recovery Manager: Release 11.2.0.2.0 - Production on Mon Feb 10 02:17:40 2014


Copyright (c) 1982, 2009, Oracle and/or its affiliates.  All rights reserved.


connected to target database: CRM (DBID=3641885733)


RMAN> recover tablespace jxc until time "to_date('2014-02-10 02:14:23','yyyy-mm-dd hh24:mi:ss')" auxiliary destination '/backup';


Starting recover at 2014-02-10 02:20:12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=72 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
Tablespace UNDOTBS3


Creating automatic instance, with SID='DctA'


initialization parameters used for automatic instance:
db_name=CRM
db_unique_name=DctA_tspitr_CRM
compatible=11.2.0.0.0
db_block_size=8192
db_files=200
sga_target=280M
processes=50
db_create_file_dest=/backup
log_archive_dest_1='location=/backup'
#No auxiliary parameter file used

 


starting up automatic instance CRM


Oracle instance started


Total System Global Area    292278272 bytes


Fixed Size                    2225872 bytes
Variable Size                100665648 bytes
Database Buffers            184549376 bytes
Redo Buffers                  4837376 bytes
Automatic instance created

 


List of tablespaces that have been dropped from the target database:
Tablespace jxc


contents of Memory Script:
{
# set requested point in time
set until  time "to_date('2014-02-10 02:14:23','yyyy-mm-dd hh24: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';
# 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 2014-02-10 02:20:39
allocated channel: ORA_AUX_DISK_1
channel ORA_AUX_DISK_1: SID=81 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 /backup/crm/ctl-20140210-1up081kd_1_1.bak
channel ORA_AUX_DISK_1: piece handle=/backup/crm/ctl-20140210-1up081kd_1_1.bak tag=TAG20140210T021020
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:00:01
output file name=/backup/CRM/controlfile/o1_mf_9hhkqsc7_.ctl
Finished restore at 2014-02-10 02:20:42


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  time "to_date('2014-02-10 02:14:23','yyyy-mm-dd hh24:mi:ss')";
# 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  9 to new;
set newname for clone datafile  2 to new;
set newname for clone tempfile  1 to new;
set newname for datafile  5 to 
 "/oracle/CRM/jxc.dbf";
# switch all tempfiles
switch clone tempfile all;
# restore the tablespaces in the recovery set and the auxiliary set
restore clone datafile  1, 3, 9, 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


executing command: SET NEWNAME


renamed tempfile 1 to /backup/CRM/datafile/o1_mf_temp_%u_.tmp in control file


Starting restore at 2014-02-10 02:20:49
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 /backup/CRM/datafile/o1_mf_system_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00003 to /backup/CRM/datafile/o1_mf_undotbs1_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00009 to /backup/CRM/datafile/o1_mf_undotbs3_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00002 to /backup/CRM/datafile/o1_mf_sysaux_%u_.dbf
channel ORA_AUX_DISK_1: restoring datafile 00005 to /oracle/CRM/jxc.dbf
channel ORA_AUX_DISK_1: reading from backup piece /backup/crm/full-20140210-1ip081fb_1_1.bak
channel ORA_AUX_DISK_1: piece handle=/backup/crm/full-20140210-1ip081fb_1_1.bak tag=TAG20140210T020739
channel ORA_AUX_DISK_1: restored backup piece 1
channel ORA_AUX_DISK_1: restore complete, elapsed time: 00:01:16
Finished restore at 2014-02-10 02:22:05


datafile 1 switched to datafile copy
input datafile copy RECID=5 STAMP=839125325 file name=/backup/CRM/datafile/o1_mf_system_9hhkr221_.dbf
datafile 3 switched to datafile copy
input datafile copy RECID=6 STAMP=839125325 file name=/backup/CRM/datafile/o1_mf_undotbs1_9hhkr231_.dbf
datafile 9 switched to datafile copy
input datafile copy RECID=7 STAMP=839125325 file name=/backup/CRM/datafile/o1_mf_undotbs3_9hhkr24l_.dbf
datafile 2 switched to datafile copy
input datafile copy RECID=8 STAMP=839125325 file name=/backup/CRM/datafile/o1_mf_sysaux_9hhkr22c_.dbf


contents of Memory Script:
{
# set requested point in time
set until  time "to_date('2014-02-10 02:14:23','yyyy-mm-dd hh24:mi:ss')";
# 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  9 online";
sql clone "alter database datafile  2 online";
sql clone "alter database datafile  5 online";
# recover and open resetlogs
recover clone database tablespace  "JXC", "SYSTEM", "UNDOTBS1", "UNDOTBS3", "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  9 online


sql statement: alter database datafile  2 online


sql statement: alter database datafile  5 online


Starting recover at 2014-02-10 02:22:07
using channel ORA_AUX_DISK_1


starting media recovery


archived log for thread 1 with sequence 9 is already on disk as file /oracle/archivelog/arch_1_9_839098938.arch
archived log for thread 1 with sequence 10 is already on disk as file /oracle/archivelog/arch_1_10_839098938.arch
archived log for thread 1 with sequence 11 is already on disk as file /oracle/archivelog/arch_1_11_839098938.arch
archived log for thread 1 with sequence 12 is already on disk as file /oracle/archivelog/arch_1_12_839098938.arch
archived log for thread 1 with sequence 13 is already on disk as file /oracle/archivelog/arch_1_13_839098938.arch
archived log file name=/oracle/archivelog/arch_1_9_839098938.arch thread=1 sequence=9
archived log file name=/oracle/archivelog/arch_1_10_839098938.arch thread=1 sequence=10
archived log file name=/oracle/archivelog/arch_1_11_839098938.arch thread=1 sequence=11
archived log file name=/oracle/archivelog/arch_1_12_839098938.arch thread=1 sequence=12
archived log file name=/oracle/archivelog/arch_1_13_839098938.arch thread=1 sequence=13
media recovery complete, elapsed time: 00:00:02
Finished recover at 2014-02-10 02:22:15


database opened


contents of Memory Script:
{
# make read only the tablespace that will be exported
sql clone 'alter tablespace  JXC read only';
# create directory for datapump import
sql "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/backup''";
# create directory for datapump export
sql clone "create or replace directory TSPITR_DIROBJ_DPDIR as ''
/backup''";
}
executing Memory Script


sql statement: alter tablespace  JXC read only


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


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


Performing export of metadata...
  EXPDP> Starting "SYS"."TSPITR_EXP_DctA":  
  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_DctA" successfully loaded/unloaded
  EXPDP> ******************************************************************************
  EXPDP> Dump file set for SYS.TSPITR_EXP_DctA is:
  EXPDP>  /backup/tspitr_DctA_28726.dmp
  EXPDP> ******************************************************************************
  EXPDP> Datafiles required for transportable tablespace JXC:
  EXPDP>  /oracle/CRM/jxc.dbf
  EXPDP> Job "SYS"."TSPITR_EXP_DctA" successfully completed at 02:25:39
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_DctA" successfully loaded/unloaded
  IMPDP> Starting "SYS"."TSPITR_IMP_DctA":  
  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_DctA" successfully completed at 02:26:50
Import completed

 


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


sql statement: alter tablespace  JXC read write


sql statement: alter tablespace  JXC offline


sql statement: begin dbms_backup_restore.AutoBackupFlag(TRUE); end;


Removing automatic instance
Automatic instance removed
auxiliary instance file /backup/CRM/datafile/o1_mf_temp_9hhkvg7w_.tmp deleted
auxiliary instance file /backup/CRM/onlinelog/o1_mf_3_9hhkv3mp_.log deleted
auxiliary instance file /backup/CRM/onlinelog/o1_mf_2_9hhktyoc_.log deleted
auxiliary instance file /backup/CRM/onlinelog/o1_mf_1_9hhktqyl_.log deleted
auxiliary instance file /backup/CRM/datafile/o1_mf_sysaux_9hhkr22c_.dbf deleted
auxiliary instance file /backup/CRM/datafile/o1_mf_undotbs3_9hhkr24l_.dbf deleted
auxiliary instance file /backup/CRM/datafile/o1_mf_undotbs1_9hhkr231_.dbf deleted
auxiliary instance file /backup/CRM/datafile/o1_mf_system_9hhkr221_.dbf deleted
auxiliary instance file /backup/CRM/controlfile/o1_mf_9hhkqsc7_.ctl deleted
Finished recover at 2014-02-10 02:27:09


RMAN> exit

 


Recovery Manager complete.


7 online jxc测试表空间


[oracle@dest ~]$ sqlplus / as sysdba


SQL*Plus: Release 11.2.0.2.0 Production on Mon Feb 10 02:27:55 2014


Copyright (c) 1982, 2010, Oracle.  All rights reserved.

 


Connected to:
Oracle Database 11g Enterprise Edition Release 11.2.0.2.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options


SQL> select tablespace_name,status from dba_tablespaces;


TABLESPACE_NAME                STATUS
------------------------------ ---------
SYSTEM                        ONLINE
SYSAUX                        ONLINE
UNDOTBS1                      ONLINE
TEMP                          ONLINE
USERS                          ONLINE
JXC                            OFFLINE
USER01                        ONLINE
ERP                            ONLINE
UNDOTBS3                      ONLINE
CRM                            ONLINE


10 rows selected.


SQL> alter tablespace jxc online;


Tablespace altered.


8 验证测试数据是否恢复


SQL> select * from zx.test1;


        I
----------
        1
        2
        3
        4
        5
        6
        7
        8
        9
        10
        11


        I
----------
        12
        13
        14
        15
        16
        17
        18
        19
        20


20 rows selected.

 

文章可以转载,必须以链接形式标明出处。

posted on 2016-08-03 22:28 张冲andy 阅读(51) 评论(0编辑 收藏

导航

< 2018年3月 >
25 26 27 28 1 2 3
4 5 6 7 8 9 10
11 12 13 14 15 16 17
18 19 20 21 22 23 24
25 26 27 28 29 30 31
1 2 3 4 5 6 7

公告

昵称:张冲andy
园龄:2年5个月
粉丝:44
关注:34

随笔分类

随笔档案

Powered by: 


本文转自 张冲andy 博客园博客,原文链接: http://www.cnblogs.com/andy6/p/5734812.html  ,如需转载请自行联系原作者

版权声明:本文内容由阿里云实名注册用户自发贡献,版权归原作者所有,阿里云开发者社区不拥有其著作权,亦不承担相应法律责任。具体规则请查看《阿里云开发者社区用户服务协议》和《阿里云开发者社区知识产权保护指引》。如果您发现本社区中有涉嫌抄袭的内容,填写侵权投诉表单进行举报,一经查实,本社区将立刻删除涉嫌侵权内容。

相关文章
一文快速搞懂系列__一文快速搞懂SuperSet[实战案例]
大家好,我是**ChinaManor**,直译过来就是中国码农的意思,俺希望自己能成为国家复兴道路的铺路人,大数据领域的耕耘者,平凡但不甘于平庸的人。
11 0
一文快速了解ClickHouse 战斗民族的开源搜索引擎(超详细解读+快速入门)
大家好,我是**ChinaManor**,直译过来就是中国码农的意思,俺希望自己能成为国家复兴道路的铺路人,大数据领域的耕耘者,一个平凡而不平庸的人。
8 0
PG+MySQL第9课-实时精准营销
通常业务场景会涉及基于标签条件圈选目标客户、基于用户特征值扩选相似人群、群体用户画像分析这些技术,本文将围绕这三个场景去介绍在实施精准营销里面的PG数据库的使用
7 0
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(5)
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(5)
11 0
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(6)
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(6)
8 0
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(4)
【技术干货】40页PPT分享万亿级交易量下的支付平台设计(4)
5 0
冬季实战营第一期学习报告
通过五天学习与实操,对ECS云服务器入门、快速搭建LAMP环境、部署MySQL数据库、回顾搭建Docker环境和Spring Boot以及使用PolarDB和ECS搭建门户网站操作,对本期学习与实操的认识。
8 0
冬季实战营第一期:从零到一上手玩转云服务器实验报告
第一期主要进行了六次实验,分别是《动手实操ECS云服务器》、《动手实操快速搭建LAMP环境》、《使用ECS服务器部署MySQL数据库》、《通过workbench远程登录ECS,快速搭建Docker环境》、《从零搭建Spring Boot的Hello World》以及《使用PolarDB和ECS搭建门户网站》。首先远程登陆ECS实例,搭建LAMP环境,其中LAMP分别代表Linux、Apache、MySQL和PHP。然后配置及远程访问MySQL。冯晓帅老师在直播上带大家通过workbench登录ECS并快速搭建Docker环境,运行Spring Boot,最后安装WordPress并搭建博客。
9 0
MySQL高可用架构演进
MySQL是数据库领域当之无愧的霸主之一,其在各行各业被广泛应用,随着广泛使用,对于MySQL本身的高可用性的要求就是不可避免的话题,而MySQL的高可用方案也随着MySQL功能的完善经历了多次升级,本文将对MySQL的各种高可用架构进行分析,以此来了解架构的演进。
8 0
+关注
6906
文章
0
问答
文章排行榜
最热
最新
相关电子书
更多
《2021云上架构与运维峰会演讲合集》
立即下载
《零基础CSS入门教程》
立即下载
《零基础HTML入门教程》
立即下载