Oracle备份恢复测试
问题:
1. 10:54:00 backup Database
2. 10:55:00 Create Table test1
10:57:01 Drop Table test1
Create Table test2; Insert Into ...
3. 10:59:00 Drop Table test2
4. 10:59:01 Backup Database
5. 此时发现test1 被DROP, 要求恢复到 10:57:00(drop table test1 之前), 恢复还原之后又发现需要test2, 因此要求恢复到10:58:34
1. backup Database
C:\Documents and Settings\jason>rman target sys/oracle@mydata catalog rman/rman@rmandb
Recovery Manager: Release 9.2.0.1.0 - Production
Copyright (c) 1995, 2002, Oracle Corporation. All rights reserved.
connected to target database: MYDATA (DBID=165830944)
connected to recovery catalog database
RMAN> run {
2> allocate channel d1 type disk;
3> backup format 'd:\dbbak\%U' database;
4> sql 'alter system archive log current';
5> backup archivelog all delete input;
6> release channel d1;
7> }
allocated channel: d1
channel d1: sid=15 devtype=DISK
Starting backup at 12-APR-07
channel d1: starting full datafile backupset
channel d1: specifying datafile(s) in backupset
input datafile fno=00001 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\SYSTEM01.DBF
input datafile fno=00002 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\UNDOTBS01.DBF
input datafile fno=00006 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\PERFSAT.DBF
input datafile fno=00003 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\INDX01.DBF
input datafile fno=00005 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\USERS01.DBF
input datafile fno=00004 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\TOOLS01.DBF
channel d1: starting piece 1 at 12-APR-07
channel d1: finished piece 1 at 12-APR-07
piece handle=D:\DBBAK\04IEVMDO_1_1 comment=NONE
channel d1: backup set complete, elapsed time: 00:19:08
Finished backup at 12-APR-07
Starting Control File and SPFILE Autobackup at 12-APR-07
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01 comment=NONE
Finished Control File and SPFILE Autobackup at 12-APR-07
sql statement: alter system archive log current
Starting backup at 12-APR-07
current log archived
channel d1: starting archive log backupset
channel d1: specifying archive log(s) in backup set
input archive log thread=1 sequence=39 recid=1 stamp=619699767
input archive log thread=1 sequence=40 recid=2 stamp=619699770
channel d1: starting piece 1 at 12-APR-07
channel d1: finished piece 1 at 12-APR-07
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\06IEVNHQ_1_1 comment=NONE
channel d1: backup set complete, elapsed time: 00:00:02
channel d1: deleting archive log(s)
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00039.001 recid=1 stamp=619699767
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00040.001 recid=2 stamp=619699770
Finished backup at 12-APR-07
Starting Control File and SPFILE Autobackup at 12-APR-07
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-02 comment=NONE
Finished Control File and SPFILE Autobackup at 12-APR-07
released channel: d1
RMAN>
2. Create Table test1, Drop Table test1;
Create Table test2, Insert into test2
C:\Documents and Settings\jason>set oracle_sid=mydata
C:\Documents and Settings\jason>sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on Thu Apr 12 10:52:43 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect perfstat/perfstat;
Connected.
SQL> set time on;
10:53:37 SQL> create table test1 (field1 varchar2(10), field2 number(5));
Table created.
10:54:12 SQL>
10:56:23 SQL>
10:57:01 SQL> drop table test1;
Table dropped.
10:57:18 SQL>
10:57:39 SQL> create table test2 (field1 varchar2(10), field2 number(5));
Table created.
10:58:07 SQL> insert into test2 values('name1', 10);
1 row created.
10:58:25 SQL> insert into test2 values('name2', 20);
1 row created.
10:58:31 SQL> commit;
Commit complete.
10:58:33 SQL>
3. backup database
RMAN> run {
2> allocate channel d1 type disk;
3> backup format 'd:\dbbak\%U' database;
4> sql 'alter system archive log current';
5> backup format 'd:\dbbak\al_%s_%p_%t' archivelog all delete input;
6> release channel d1;
7> }
allocated channel: d1
channel d1: sid=15 devtype=DISK
Starting backup at 12-APR-07
channel d1: starting full datafile backupset
channel d1: specifying datafile(s) in backupset
input datafile fno=00001 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\SYSTEM01.DBF
input datafile fno=00002 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\UNDOTBS01.DBF
input datafile fno=00006 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\PERFSAT.DBF
input datafile fno=00003 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\INDX01.DBF
input datafile fno=00005 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\USERS01.DBF
input datafile fno=00004 name=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\TOOLS01.DBF
channel d1: starting piece 1 at 12-APR-07
channel d1: finished piece 1 at 12-APR-07
piece handle=D:\DBBAK\08IEVO78_1_1 comment=NONE
channel d1: backup set complete, elapsed time: 00:00:26
Finished backup at 12-APR-07
Starting Control File and SPFILE Autobackup at 12-APR-07
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-03 comment=NONE
Finished Control File and SPFILE Autobackup at 12-APR-07
sql statement: alter system archive log current
Starting backup at 12-APR-07
current log archived
channel d1: starting archive log backupset
channel d1: specifying archive log(s) in backup set
input archive log thread=1 sequence=41 recid=3 stamp=619700485
input archive log thread=1 sequence=42 recid=4 stamp=619700489
channel d1: starting piece 1 at 12-APR-07
channel d1: finished piece 1 at 12-APR-07
piece handle=D:\DBBAK\AL_10_1_619700489 comment=NONE
channel d1: backup set complete, elapsed time: 00:00:02
channel d1: deleting archive log(s)
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00041.001 recid=3 stamp=619700485
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00042.001 recid=4 stamp=619700489
Finished backup at 12-APR-07
Starting Control File and SPFILE Autobackup at 12-APR-07
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-04 comment=NONE
Finished Control File and SPFILE Autobackup at 12-APR-07
released channel: d1
RMAN>
4. 按要求恢复.....
SQL> connect / as sysdba
Connected.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 101784276 bytes
Fixed Size 453332 bytes
Variable Size 75497472 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
Database mounted.
SQL>
恢复到10:57:00
RMAN> run {
2> set until time "to_date('20070412105700','yyyymmddhh24miss')";
3> restore database;
4> recover database;
5> }
executing command: SET until clause
Starting restore at 12-APR-07
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=14 devtype=DISK
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\SYSTEM01.DBF
restoring datafile 00002 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\UNDOTBS01.DBF
restoring datafile 00003 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\INDX01.DBF
restoring datafile 00004 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\TOOLS01.DBF
restoring datafile 00005 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\USERS01.DBF
restoring datafile 00006 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\PERFSAT.DBF
channel ORA_DISK_1: restored backup piece 1
piece handle=D:\DBBAK\04IEVMDO_1_1 tag=TAG20070412T103016 params=NULL
channel ORA_DISK_1: restore complete
Finished restore at 12-APR-07
Starting recover at 12-APR-07
using channel ORA_DISK_1
starting media recovery
channel ORA_DISK_1: starting archive log restore to default destination
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=39
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=40
channel ORA_DISK_1: restored backup piece 1
piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\06IEVNHQ_1_1 tag=TAG20070412T104930 params=NULL
channel ORA_DISK_1: restore complete
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00039.001 thread=1 sequence=39
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00040.001 thread=1 sequence=40
channel ORA_DISK_1: starting archive log restore to default destination
channel ORA_DISK_1: restoring archive log
archive log thread=1 sequence=41
channel ORA_DISK_1: restored backup piece 1
piece handle=D:\DBBAK\AL_10_1_619700489 tag=TAG20070412T110129 params=NULL
channel ORA_DISK_1: restore complete
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00041.001 thread=1 sequence=41
media recovery complete
Finished recover at 12-APR-07
RMAN>
打开数据库
SQL> alter database open resetlogs;
Database altered.
SQL> connect perfstat/perfstat;
Connected.
SQL> select * from test1;
no rows selected
恢复还原完成, 但发现test2已没有!
SQL> select * from test2;
select * from test2
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL>
先将test1导出
C:\Documents and Settings\jason>set oracle_sid=mydata
C:\Documents and Settings\jason>exp perfstat/perfstat file=d:\dbbak\test1.dmp log=test1.log tables=(test1)
Export: Release 9.2.0.1.0 - Production on Thu Apr 12 11:42:23 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to: Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
Export done in WE8ISO8859P1 character set and AL16UTF16 NCHAR character set
About to export specified tables via Conventional Path ...
. . exporting table TEST1 0 rows exported
Export terminated successfully without warnings.
准备把库恢复到10:59:00
C:\Documents and Settings\jason>sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on Thu Apr 12 11:42:31 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect / as sysdba;
Connected.
SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 101784276 bytes
Fixed Size 453332 bytes
Variable Size 75497472 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
Database mounted.
恢复到10:59:00
C:\Documents and Settings\jason>rman target sys/oracle@mydata catalog rman/rman@rmandb
Recovery Manager: Release 9.2.0.1.0 - Production
Copyright (c) 1995, 2002, Oracle Corporation. All rights reserved.
connected to target database: MYDATA (DBID=165830944)
connected to recovery catalog database
RMAN> run {
2> set until time "to_date('20070412105900','yyyymmddhh24miss')";
3> restore database;
4> recover database;
5> }
executing command: SET until clause
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: failure of set command at 04/12/2007 11:44:47
RMAN-06004: ORACLE error from recovery catalog database: RMAN-20003: target database incarnation not found in recovery catalog
RMAN>
******此时发现原来的备份集不能用, 问题出现!!!!!!
重新启动到nomount状态
SQL> shutdown immediate;
ORA-01109: database not open
Database dismounted.
ORACLE instance shut down.
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 101784276 bytes
Fixed Size 453332 bytes
Variable Size 75497472 bytes
Database Buffers 25165824 bytes
Redo Buffers 667648 bytes
从指定的备份中恢复控制文件
C:\Documents and Settings\jason>rman target sys/oracle@mydata catalog rman/rman@rmandb
Recovery Manager: Release 9.2.0.1.0 - Production
Copyright (c) 1995, 2002, Oracle Corporation. All rights reserved.
connected to target database: mydata (not mounted)
connected to recovery catalog database
RMAN> restore controlfile from 'C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01';
Starting restore at 12-APR-07
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=14 devtype=DISK
channel ORA_DISK_1: restoring controlfile
channel ORA_DISK_1: restore complete
replicating controlfile
input filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\CONTROL01.CTL
output filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\CONTROL02.CTL
Finished restore at 12-APR-07
RMAN>
启动到mount状态
SQL> alter database mount;
Database altered.
SQL>
12.
RMAN> run {
2> set until time "to_date('20070412105834','yyyymmddhh24miss')";
3> restore database;
4> recover database;
5> }
executing command: SET until clause
Starting restore at 12-APR-07
using channel ORA_DISK_1
channel ORA_DISK_1: starting datafile backupset restore
channel ORA_DISK_1: specifying datafile(s) to restore from backup set
restoring datafile 00001 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\SYSTEM01.DBF
restoring datafile 00002 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\UNDOTBS01.DBF
restoring datafile 00003 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\INDX01.DBF
restoring datafile 00004 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\TOOLS01.DBF
restoring datafile 00005 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\USERS01.DBF
restoring datafile 00006 to C:\SOFTWARE\ORACLE\ORADATA\MYDATA\PERFSAT.DBF
channel ORA_DISK_1: restored backup piece 1
piece handle=D:\DBBAK\04IEVMDO_1_1 tag=TAG20070412T103016 params=NULL
channel ORA_DISK_1: restore complete
Finished restore at 12-APR-07
Starting recover at 12-APR-07
using channel ORA_DISK_1
starting media recovery
archive log thread 1 sequence 39 is already on disk as file C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00039.001
archive log thread 1 sequence 40 is already on disk as file C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00040.001
archive log thread 1 sequence 41 is already on disk as file C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00041.001
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00039.001 thread=1 sequence=39
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00040.001 thread=1 sequence=40
archive log filename=C:\SOFTWARE\ORACLE\ORADATA\MYDATA\ARCHIVE\ARC00041.001 thread=1 sequence=41
media recovery complete
Finished recover at 12-APR-07
RMAN>
*****做完 resetlogs 后, C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01 里面的控制文件是最新的了, -----从时间上可以看出,
不能利用这个来恢复到 10:58:34 左右的数据了!!!!!!!!
*****如果还要用这个文件来做恢复试验, 最好先将它备份一下!!!!!!!!
RMAN> sql 'alter database open resetlogs';
sql statement: alter database open resetlogs
RMAN>
RMAN> reset database;
new incarnation of database registered in recovery catalog
starting full resync of recovery catalog
full resync complete
RMAN> report obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
Report of obsolete backups and copies
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 58 12-APR-07
Backup Piece 59 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01
Backup Set 74 12-APR-07
Backup Piece 75 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-02
Backup Set 79 12-APR-07
Backup Piece 80 12-APR-07 D:\DBBAK\08IEVO78_1_1
Backup Set 88 12-APR-07
Backup Piece 89 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-03
Backup Set 104 12-APR-07
Backup Piece 105 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-04
RMAN> delete obsolete;
RMAN retention policy will be applied to the command
RMAN retention policy is set to redundancy 1
allocated channel: ORA_DISK_1
channel ORA_DISK_1: sid=12 devtype=DISK
Deleting the following obsolete backups and copies:
Type Key Completion Time Filename/Handle
-------------------- ------ ------------------ --------------------
Backup Set 58 12-APR-07
Backup Piece 59 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01
Backup Set 74 12-APR-07
Backup Piece 75 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-02
Backup Set 79 12-APR-07
Backup Piece 80 12-APR-07 D:\DBBAK\08IEVO78_1_1
Backup Set 88 12-APR-07
Backup Piece 89 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-03
Backup Set 104 12-APR-07
Backup Piece 105 12-APR-07 C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-04
Do you really want to delete the above objects (enter YES or NO)? yes
deleted backup piece
backup piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-02 recid=5 stamp=619699773
deleted backup piece
backup piece handle=D:\DBBAK\08IEVO78_1_1 recid=6 stamp=619700457
deleted backup piece
backup piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-03 recid=7 stamp=619700482
deleted backup piece
backup piece handle=C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-04 recid=9 stamp=619700492
Deleted 4 objects
RMAN-06207: WARNING: 1 objects could not be deleted for DISK channel(s) due
RMAN-06208: to mismatched status. Use CROSSCHECK command to fix status
List of Mismatched objects
==========================
Object Type Filename/Handle
--------------- ---------------------------------------------------
Backup Piece C:\SOFTWARE\ORACLE\ORA92\DATABASE\C-165830944-20070412-01
RMAN>
验证恢复结果
SQL> connect perfstat/perfstat
Connected.
SQL> select * from test2;
FIELD1 FIELD2
---------- ----------
name1 10
name2 20
SQL> select * from test1;
select * from test1
*
ERROR at line 1:
ORA-00942: table or view does not exist
SQL> exit
Disconnected from Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
导入test1
C:\Documents and Settings\jason>imp perfstat/perfstat file=d:\dbbak\test1.dmp log=d:\dbbak\test1_imp.log tables=(test1)
Import: Release 9.2.0.1.0 - Production on Thu Apr 12 12:07:03 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
Connected to: Oracle9i Enterprise Edition Release 9.2.0.1.0 - Production
With the Partitioning, OLAP and Oracle Data Mining options
JServer Release 9.2.0.1.0 - Production
Export file created by EXPORT:V09.02.00 via conventional path
import done in WE8ISO8859P1 character set and AL16UTF16 NCHAR character set
. importing PERFSTAT's objects into PERFSTAT
. . importing table "TEST1" 0 rows imported
Import terminated successfully without warnings.
C:\Documents and Settings\jason>sqlplus /nolog
SQL*Plus: Release 9.2.0.1.0 - Production on Thu Apr 12 12:07:08 2007
Copyright (c) 1982, 2002, Oracle Corporation. All rights reserved.
SQL> connect perfstat/perfstat
Connected.
SQL> select * from test1;
no rows selected
SQL>