非系统表空间损坏，rman备份恢复

实验条件：有完整可用备份

--查询表空间情况

SQL> select tablespace_name,status from dba_tablespaces;

TABLESPACE_NAME STATUS

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

SYSTEM ONLINE

SYSAUX ONLINE

TEMP ONLINE

USERS ONLINE

UNDOTBS2 ONLINE

GOLDGATE ONLINE

FDA01 ONLINE

FDA02 ONLINE

ANDY ONLINE

9 rows selected.

SQL> 

col tablespace_name for a15

col file_name for a50

SELECT tablespace_name, file_id, file_name, round(bytes / (1024 * 1024), 0) total_space

FROM dba_data_files where tablespace_name='ANDY' ORDER BY tablespace_name;

TABLESPACE_NAME FILE_ID FILE_NAME TOTAL_SPACE

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

ANDY 3 /home/oracle/app/oradata/orcl/andy01.dbf 10

ANDY 5 /home/oracle/app/oradata/orcl/andy02.dbf 1

--模拟表空间损坏

[oracle@11g orcl]$ ll andy*

-rw-r-----. 1 oracle oinstall 10493952 Mar 24 17:41 andy01.dbf

-rw-r-----. 1 oracle oinstall 1056768 Mar 24 17:53 andy02.dbf

[oracle@11g orcl]$ rm -rf andy*

[oracle@11g trace]$ cat alert_orcl.log |grep ORA-

ORA-01116: error in opening database file 3

ORA-01110: data file 3: '/home/oracle/app/oradata/orcl/andy01.dbf'

ORA-27041: unable to open file

ORA-01116: error in opening database file 5

ORA-01110: data file 5: '/home/oracle/app/oradata/orcl/andy02.dbf'

ORA-27041: unable to open file

--恢复过程

SQL> alter tablespace andy offline;

alter tablespace andy offline

*

ERROR at line 1:

ORA-01116: error in opening database file 3

ORA-01110: data file 3: '/home/oracle/app/oradata/orcl/andy01.dbf'

ORA-27041: unable to open file

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

如果文件不存在，就加immediate参数

SQL> alter tablespace andy offline immediate;

Tablespace altered.

rman>restore tablespace andy;

rman>recover tablespace andy;

rman>sql 'alter tablespace andy online';

sql statement: alter tablespace andy online