Oracle 10g跨越Resetlogs时间点进行恢复

来源：pcdog 作者：佚名 出处：巧巧读书 2008-05-05 进入讨论组

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此时的日志序列:

SYS AS SYSDBA on 2005-04-05 17:46:19 >

select * from v$log_history where recid >1811;

RECID STAMP THREAD# SEQUENCE# FIRST_CHANGE# FIRST_TIME

NEXT_CHANGE# RESETLOGS_CHANGE# RESETLOGS_TIME

---------- ---------- ---------- ---------- -------------

1812 554813757 1 1 10923677 2005-04-05 09:54:53 10925720 10923677 2005-04-05 09:54:53

1813 554813974 1 2 10925720 2005-04-05 10:55:57 10925827 10923677 2005-04-05 09:54:53

1814 554823464 1 3 10925827 2005-04-05 10:59:34 10947409 10923677 2005-04-05 09:54:53

1815 554828646 1 4 10947409 2005-04-05 13:37:44 10950318 10923677 2005-04-05 09:54:53

1816 554833748 1 5 10950318 2005-04-05 15:04:06 10953123 10923677 2005-04-05 09:54:53

1817 554833901 1 6 10953123 2005-04-05 16:29:08 10953187 10923677 2005-04-05 09:54:53

1818 554833950 1 7 10953187 2005-04-05 16:31:41 10953213 10923677 2005-04-05 09:54:53

1819 554834005 1 8 10953213 2005-04-05 16:32:30 10953633 10923677 2005-04-05 09:54:53

1820 554834118 1 9 10953633 2005-04-05 16:33:25 10953726 10923677 2005-04-05 09:54:53

1821 554834756 1 1 10953214 2005-04-05 16:42:34 10953433 10953214 2005-04-05 16:42:34

1822 554834781 1 2 10953433 2005-04-05 16:45:56 10953445 10953214 2005-04-05 16:42:34

11 rows selected.

SYS AS SYSDBA on 2005-04-05 16:46:21 >shutdown immediate;

Database closed.

Database dismounted.

ORACLE instance shut down.

SYS AS SYSDBA on 2005-04-05 16:47:38 >exit

Disconnected from Oracle Database 10g Enterprise

Edition Release 10.1.0.2.0 - 64bit Production

With the Partitioning, OLAP and Data Mining options

六、再次执行恢复

$ rman target /

Recovery Manager: Release 10.1.0.2.0 - 64bit Production

Copyright (c) 1995, 2004, Oracle. All rights reserved.

connected to target database (not started)

RMAN> startup mount;

Oracle instance started

database mounted

Total System Global Area 314572800 bytes

Fixed Size 1301704 bytes

Variable Size 261890872 bytes

Database Buffers 50331648 bytes

Redo Buffers 1048576 bytes

RMAN> run {

2> restore database;

3> recover database;

4> }

Starting restore at 2005-04-05 16:49:54

using target database controlfile instead of recovery catalog

allocated channel: ORA_DISK_1

channel ORA_DISK_1: sid=160 devtype=DISK

datafile 8 not processed because file is read-only

channel ORA_DISK_1: starting datafile backupset restore

channel ORA_DISK_1: specifying datafile(s) to restore from backup set

restoring datafile 00001 to /opt/oracle/oradata/eygle/system01.dbf

restoring datafile 00002 to /opt/oracle/oradata/eygle/undotbs01.dbf

restoring datafile 00003 to /opt/oracle/oradata/eygle/sysaux01.dbf

restoring datafile 00006 to /opt/oracle/oradata/eygle/EYGLE/datafile/o1_mf_test_03xv34ny_.dbf

restoring datafile 00009 to /data1/oradata/systemfile/bigtbs.dbf

restoring datafile 00010 to /opt/oracle/oradata/eygle/dfmbrc.dbf

channel ORA_DISK_1: restored backup piece 1

piece handle=/data5/flash_recovery_area/EYGLE/backupset

/2005_04_05/o1_mf_nnndf_TAG20050405T162921_154m33kf_.bkp

tag=TAG20050405T162921

channel ORA_DISK_1: restore complete

channel ORA_DISK_1: starting datafile backupset restore

channel ORA_DISK_1: specifying datafile(s) to restore from backup set

restoring datafile 00004 to /opt/oracle/oradata/eygle/users01.dbf

restoring datafile 00005 to /data1/oradata/systemfile/eygle01.dbf

restoring datafile 00007 to /opt/oracle/oradata/eygle/EYGLE/datafile/o1_mf_itpub_03xv5g66_.dbf

channel ORA_DISK_1: restored backup piece 1

piece handle=/data5/flash_recovery_area/EYGLE/backupset

/2005_04_05/o1_mf_nnndf_TAG20050405T162921_154m6dxm_.bkp tag=TAG20050405T162921

channel ORA_DISK_1: restore complete

channel ORA_DISK_1: starting datafile backupset restore

channel ORA_DISK_1: specifying datafile(s) to restore from backup set

restoring datafile 00011 to /opt/oracle/oradata/eygle/t2k01.dbf

channel ORA_DISK_1: restored backup piece 1

piece handle=/data5/flash_recovery_area/EYGLE/backupset

/2005_04_05/o1_mf_nnndf_TAG20050405T162921_154m76kz_.bkp

tag=TAG20050405T162921

channel ORA_DISK_1: restore complete

Finished restore at 2005-04-05 16:52:31

Starting recover at 2005-04-05 16:52:32

using channel ORA_DISK_1

datafile 8 not processed because file is offline

starting media recovery

archive log thread 1 sequence 7 is already on disk as file /data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_7_154m8z7k_.arc

archive log thread 1 sequence 1 is already on disk as file /data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_1_154n24v5_.arc

archive log thread 1 sequence 2 is already on disk as file /data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_2_154n2y40_.arc

channel ORA_DISK_1: starting archive log

restore to default destination

channel ORA_DISK_1: restoring archive log

archive log thread=1 sequence=6

channel ORA_DISK_1: restored backup piece 1

piece handle=/data5/flash_recovery_area/EYGLE/backupset

/2005_04_05/o1_mf_annnn_TAG20050405T163142_154m7jpo_.bkp

tag=TAG20050405T163142

channel ORA_DISK_1: restore complete

archive log filename=/data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_6_154ngror_.arc thread=1 sequence=6

channel default: deleting archive log(s)

archive log filename=/data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_6_154ngror_.arc recid=306 stamp=554835160

archive log filename=/data5/flash_recovery_area/EYGLE/archivelog

/2005_04_05/o1_mf_1_7_154m8z7k_.arc thread=1 sequence=7

media recovery complete

Finished recover at 2005-04-05 16:53:04

RMAN> alter database open;

database opened 

RMAN> exit

Recovery Manager complete.

七、最后检查数据恢复情况

注意此次恢复跨越了resetlogs时间点

$ sqlplus "/ as sysdba"

SQL*Plus: Release 10.1.0.2.0 - Production on

Tue Apr 5 16:53:56 2005

Copyright (c) 1982, 2004, Oracle. All rights reserved.  

Connected to:

Oracle Database 10g Enterprise Edition Release

10.1.0.2.0 - 64bit Production

With the Partitioning, OLAP and Data Mining options

SYS AS SYSDBA on 2005-04-05 16:53:56 >select count(*) from t;  

COUNT(*)

----------

18956

SYS AS SYSDBA on 2005-04-05 16:54:01 >select count(*) from tt;

COUNT(*)

----------

24

SYS AS SYSDBA on 2005-04-05 16:54:07 >

SYS AS SYSDBA on 2005-04-05 16:54:47 >

至此，数据恢复彻底完成。

更多内容请看Oracle 10g基础应用、Oracle 10g优化恢复、备份恢复专题，或进入讨论组讨论。

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