1只读 ---备份只读 故障 只读 还原有故障的数据文件 2只读 ---备份只读 可写 故障 还原备份数据文件，重做recover 3只读 ---备份可写 只读 故障 还原备份数据文件，recover 1 进入rman，确保是否有备份的文件： [oracle@oracle ~]$ rman target /Recovery Man
1>只读 ---备份只读 故障 只读 还原有故障的数据文件2>只读 ---备份只读 可写 故障 还原备份数据文件，重做recover
3>只读 ---备份可写 只读 故障 还原备份数据文件，recover
1>
进入rman，确保是否有备份的文件：
[oracle@oracle ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 09:44:08 2014 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database: JADL10G (DBID=2011508104) RMAN> list backup of tablespace users; using target database control file instead of recovery catalog List of Backup Sets =================== BS Key Type LV Size Device Type Elapsed Time Completion Time ------- ---- -- ---------- ----------- ------------ --------------- 1 Full 609.23M DISK 00:00:38 06-NOV-14 BP Key: 1 Status: AVAILABLE Compressed: NO Tag: TAG20141106T063059 Piece Name: /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T063059_b5o994hx_.bkp List of Datafiles in backup set 1 File LV Type Ckp SCN Ckp Time Name ---- -- ---- ---------- --------- ---- 4 Full 422818 06-NOV-14 /u01/oracle/oradata/jadl10g/users01.dbf
修改表空间为只读表空间：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 09:45:35 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> alter tablespace users read only; Tablespace altered.
进入rman，重新备份数据库，删除以前备份的可以节省空间使用delete backup命令可以删除；
[oracle@oracle ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 09:50:29 2014 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database: JADL10G (DBID=2011508104) RMAN> backup database; --备份数据库 Starting backup at 06-NOV-14 using target database control file instead of recovery catalog allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=159 devtype=DISK channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset input datafile fno=00001 name=/u01/oracle/oradata/jadl10g/system01.dbf input datafile fno=00003 name=/u01/oracle/oradata/jadl10g/sysaux01.dbf input datafile fno=00005 name=/u01/oracle/oradata/jadl10g/example01.dbf input datafile fno=00002 name=/u01/oracle/oradata/jadl10g/undotbs01.dbf input datafile fno=00004 name=/u01/oracle/oradata/jadl10g/users01.dbf channel ORA_DISK_1: starting piece 1 at 06-NOV-14 channel ORA_DISK_1: finished piece 1 at 06-NOV-14 piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T095036_b5onzdz1_.bkp tag=TAG20141106T095036 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:55 channel ORA_DISK_1: starting full datafile backupset channel ORA_DISK_1: specifying datafile(s) in backupset including current control file in backupset including current SPFILE in backupset channel ORA_DISK_1: starting piece 1 at 06-NOV-14 channel ORA_DISK_1: finished piece 1 at 06-NOV-14 piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_ncsnf_TAG20141106T095036_b5oo15kf_.bkp tag=TAG20141106T095036 comment=NONE channel ORA_DISK_1: backup set complete, elapsed time: 00:00:02 Finished backup at 06-NOV-14 RMAN> exit Recovery Manager complete.
删除users表空间(只读的文件)
[oracle@oracle ~]$ rm /u01/oracle/oradata/jadl10g/users01.dbf
连接到DB，执行查询发现报错：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 09:52:33 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> select * from scott.dept; select * from scott.dept * ERROR at line 1: ORA-01116: error in opening database file 4 ORA-01110: data file 4: '/u01/oracle/oradata/jadl10g/users01.dbf' ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 SQL> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options
连接到rman：
[oracle@oracle ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 09:53:40 2014 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database: JADL10G (DBID=2011508104) RMAN> sql 'alter database datafile 4 offline '; --数据文件脱机 using target database control file instead of recovery catalog sql statement: alter database datafile 4 offline RMAN> restore datafile 4; --恢复数据文件，此处可以是文件的路径 restore datafile '/u01/oracle/oradata/jadl10g/users01.dbf'; Starting restore at 06-NOV-14 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=136 devtype=DISK channel ORA_DISK_1: starting datafile backupset restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set restoring datafile 00004 to /u01/oracle/oradata/jadl10g/users01.dbf channel ORA_DISK_1: reading from backup piece /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T095036_b5onzdz1_.bkp channel ORA_DISK_1: restored backup piece 1 piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T095036_b5onzdz1_.bkp tag=TAG20141106T095036 channel ORA_DISK_1: restore complete, elapsed time: 00:00:02 Finished restore at 06-NOV-14 RMAN> sql 'alter database datafile 4 online '; ---连接数据文件 sql statement: alter database datafile 4 online RMAN> exit Recovery Manager complete.
连接到DB，执行查询发现可以查询到结果：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 09:55:00 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> select * from scott.dept; DEPTNO DNAME LOC ---------- -------------- ------------- 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 SALES CHICAGO 40 OPERATIONS BOSTON 2>
连接DB，修改表空间为可写：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:04:27 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Editio【本文来自鸿网互联 (http://www.68idc.cn)】n Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> alter tablespace users read write; Tablespace altered. SQL> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options
删除users表空间(可写的表空间)：
[oracle@oracle ~]$ rm /u01/oracle/oradata/jadl10g/users01.dbf
连接到DB，执行查询发现报错：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:05:32 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> select * from scott.dept; select * from scott.dept * ERROR at line 1: ORA-01116: error in opening database file 4 ORA-01110: data file 4: '/u01/oracle/oradata/jadl10g/users01.dbf' ORA-27041: unable to open file Linux-x86_64 Error: 2: No such file or directory Additional information: 3 SQL> exit Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options
连接到rman：
[oracle@oracle ~]$ rman target / Recovery Manager: Release 10.2.0.5.0 - Production on Thu Nov 6 10:06:31 2014 Copyright (c) 1982, 2007, Oracle. All rights reserved. connected to target database: JADL10G (DBID=2011508104) RMAN> sql 'alter database datafile 4 offline '; using target database control file instead of recovery catalog sql statement: alter database datafile 4 offline RMAN> restore datafile 4; Starting restore at 06-NOV-14 allocated channel: ORA_DISK_1 channel ORA_DISK_1: sid=159 devtype=DISK channel ORA_DISK_1: starting datafile backupset restore channel ORA_DISK_1: specifying datafile(s) to restore from backup set restoring datafile 00004 to /u01/oracle/oradata/jadl10g/users01.dbf channel ORA_DISK_1: reading from backup piece /u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T095036_b5onzdz1_.bkp channel ORA_DISK_1: restored backup piece 1 piece handle=/u01/oracle/flash_recovery_area/JADL10G/backupset/2014_11_06/o1_mf_nnndf_TAG20141106T095036_b5onzdz1_.bkp tag=TAG20141106T095036 channel ORA_DISK_1: restore complete, elapsed time: 00:00:01 Finished restore at 06-NOV-14 RMAN> recover datafile 4; Starting recover at 06-NOV-14 using channel ORA_DISK_1 starting media recovery media recovery complete, elapsed time: 00:00:03 Finished recover at 06-NOV-14 RMAN> sql 'alter database datafile 4 online '; sql statement: alter database datafile 4 online RMAN> exit Recovery Manager complete.
连接到DB，执行查询发现可以查询到结果：
[oracle@oracle ~]$ sqlplus / as sysdba SQL*Plus: Release 10.2.0.5.0 - Production on Thu Nov 6 10:08:18 2014 Copyright (c) 1982, 2010, Oracle. All Rights Reserved. Connected to: Oracle Database 10g Enterprise Edition Release 10.2.0.5.0 - 64bit Production With the Partitioning, Oracle Label Security, OLAP, Data Mining Scoring Engine and Real Application Testing options SQL> select * from scott.dept; DEPTNO DNAME LOC ---------- -------------- ------------- 10 ACCOUNTING NEW YORK 20 RESEARCH DALLAS 30 SALES CHICAGO 40 OPERATIONS BOSTON
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