表空间文件损坏处理

采用offline的方式
第一步,将表空间offline
alter tablespace tablespace_name offline;
第二步,cp文件到新的目录并rename修改控制文件
第三步,将相应表空间online
当然这种方式同样会影响期间的表空间使用。

以下是简单的示范步骤:
1.将表空间offline

[oracle@jumper oracle]$ sqlplus "/ as sysdba"

SQL*Plus: Release 9.2.0.4.0 - Production on Sat Nov 12 18:14:21 2005

Copyright (c) 1982, 2002, Oracle Corporation.  All rights reserved.


Connected to:
Oracle9i Enterprise Edition Release 9.2.0.4.0 - Production
With the Partitioning option
JServer Release 9.2.0.4.0 - Production

SQL> archive log list;
Database log mode              No Archive Mode
Automatic archival             Enabled
Archive destination            /opt/oracle/oradata/conner/archive
Oldest online log sequence     6
Current log sequence           9
SQL> select name from v$datafile;

NAME
---------------------------------------------------------
/opt/oracle/oradata/conner/system01.dbf
/opt/oracle/oradata/conner/undotbs01.dbf
/opt/oracle/oradata/conner/users01.dbf

SQL> alter tablespace users offline;

Tablespace altered.

2.拷贝相应的数据文件

SQL> ! cp /opt/oracle/oradata/conner/users01.dbf /opt/oracle/oradata/users01.dbf

SQL> alter tablespace users rename datafile '/opt/oracle/oradata/conner/users01.dbf'
     to '/opt/oracle/oradata/users01.dbf';

Tablespace altered.

3.将表空间online

SQL> alter tablespace users online;

Tablespace altered.

SQL> select name from v$datafile;

NAME
------------------------------------------------------------------------
/opt/oracle/oradata/conner/system01.dbf
/opt/oracle/oradata/conner/undotbs01.dbf
/opt/oracle/oradata/users01.dbf