ORACLE TSPTIR 表空间时间点恢复实验

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在相同的服务器上

  1. 查询数据文件相关信息
SQL> select tablespace_name,file_id,file_name from dba_data_files order by tablespace_name;

 

TABLESPACE_NAME  FID FILE_NAME

————— —- ————————————————–

EXAMPLE            5 /u01/app/oracle/oradata/dbdao01/example01.dbf

SYSAUX                 2 /u01/app/oracle/oradata/dbdao01/sysaux01.dbf

SYSTEM                1 /u01/app/oracle/oradata/dbdao01/system01.dbf

UNDOTBS1          3 /u01/app/oracle/oradata/dbdao01/undotbs01.dbf

USERS                   4 /u01/app/oracle/oradata/dbdao01/users01.dbf

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  1. 创建相应的文件夹并恢复控制文件到创建的位置
[oracle@dbdao01 ~]$ mkdir -p /u01/app/oracle/oradata/aux/

[oracle@dbdao01 ~]$ rman target /

RMAN> restore controlfile to ‘/u01/app/oracle/oradata/aux/control01.ctl’;

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  1. 编辑参数文件,添加下面内容
db_name=dbdao01

db_unique_name=aux

control_files=’/u01/app/oracle/oradata/aux/control01.ctl’

 

  1. 启动数据库到mount
SQL> startup mount pfile=?/dbs/initaux.ora

ORACLE instance started.

Total System Global Area  238034944 bytes

Fixed Size              2227136 bytes

Variable Size                180356160 bytes

Database Buffers       50331648 bytes

Redo Buffers                 5120000 bytes

Database mounted.

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  1. 使用rman恢复
run {

set until  time “to_date(‘20160722 03:27:39′,’YYYYMMDD HH24:MI:SS’)”;

set newname for datafile 1 to ‘/u01/app/oracle/oradata/aux/system01.dbf’;

set newname for datafile 2 to ‘/u01/app/oracle/oradata/aux/sysaux01.dbf’;

set newname for datafile 3 to ‘/u01/app/oracle/oradata/aux/undotbs01.dbf’;

set newname for datafile 4 to ‘/u01/app/oracle/oradata/aux/users01.dbf’;

set newname for datafile 5 to ‘/u01/app/oracle/oradata/aux/example01.dbf’;

restore datafile 1,2,3,4,5;

switch datafile all;

sql “alter database datafile 1,2,3,4,5 online”;

recover database;

sql “alter database rename file ”/u01/app/oracle/oradata/dbdao01/redo01.log” to ”/u01/app/oracle/oradata/aux/redo01.log””;

sql “alter database rename file ”/u01/app/oracle/oradata/dbdao01/redo02.log” to ”/u01/app/oracle/oradata/aux/redo02.log””;

sql “alter database rename file ”/u01/app/oracle/oradata/dbdao01/redo03.log” to ”/u01/app/oracle/oradata/aux/redo03.log””;

alter database open resetlogs;

}

 

 

 

在不同服务器上

  1. 上传备份集到另一个服务器上
  2. 编辑参数文件
db_name=dbdao01

control_files=/u01/app/oracle/oradata/dbdao01/control01.ctl

  1. 启动数据库到nomount
SQL> startup nomount pfile=?/dbs/initdbdao01.ora

ORACLE instance started.

 

Total System Global Area  238034944 bytes

Fixed Size              2227136 bytes

Variable Size                180356160 bytes

Database Buffers       50331648 bytes

Redo Buffers                 5120000 bytes

  1. 恢复控制文件
RMAN> restore controlfile from ‘/u01/app/oracle/fast_recovery_area/DBDAO01/autobackup/2016_07_22/o1_mf_s_917839555_cs28g43r_.bkp’;
  1. 启动到mount并进行恢复
run{

2> set until  time “to_date(‘20160722 03:27:39′,’YYYYMMDD HH24:MI:SS’)”;

3> recover database;

4>alter database open resetlogs

4> }

 

 

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