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  当前位置:> 程序开发 > 数据库开发 > 数据库综合
数据文件丢失之后的恢复
作者:未知 时间:2004-11-05 12:12 出处:Blog 责编:chinaitpower
              摘要:暂无
 SQL> startup
ORACLE instance started.

Total System Global Area   73109664 bytes
Fixed Size                    73888 bytes
Variable Size              56086528 bytes
Database Buffers           16777216 bytes
Redo Buffers                 172032 bytes
Database mounted.
ORA-03113: end-of-file on communication channel



我的环境是linux9 oracle 8.1.7.4
出现问题的当时是,一台机器连到上面做insert into 操作,数据大概有63万条。
正在执行的过程中因为到了下班的时间,服务器设置的定时自动关机的功能,服务器
在五点半的时候关机,导致insert into 操作中断,等服务器起来之后,提示一个表数据文件有问题,我就执行了
shutdown immediate
startup mount
recover datafile '/datafile.dbf'
提示恢复成功
startup
就出现上面的错误提示

 终于搞定了,采取的步骤是把,受到影响的表空间何数据文件drop 掉
SQL> startup
ORACLE instance started.

Total System Global Area   73109664 bytes
Fixed Size                    73888 bytes
Variable Size              56086528 bytes
Database Buffers           16777216 bytes
Redo Buffers                 172032 bytes
Database mounted.
ORA-03113: end-of-file on communication channel


SQL> conn system/manager as sysdba
Connected.
SQL> select name from datafiles
  2  ;
select name from datafiles
                 *
ERROR at line 1:
ORA-01219: database not open: queries allowed on fixed tables/views only


SQL> select name from v$datafile
  2  ;

NAME
--------------------------------------------------------------------------------
/u01/oradata/EMCDB/system01.dbf
/u01/oradata/EMCDB/tools01.dbf
/u01/oradata/EMCDB/rbs01.dbf
/u01/oradata/EMCDB/temp01.dbf
/u01/oradata/EMCDB/users01.dbf
/u01/oradata/EMCDB/indx01.dbf
/u01/oradata/EMCDB/drsys01.dbf
/u01/oradata/EMCDB/EMCBASE.dbf
/home/oracle/test.dbf
/home/adonis/dwbx_wmstat.dbf
//home/adonis/iwbx_wmindx.dbf

11 rows selected.

SQL> alter database datafile '//home/adonis/iwbx_wmindx.dbf' offline
  2  ;
alter database datafile '//home/adonis/iwbx_wmindx.dbf' offline
*
ERROR at line 1:
ORA-01145: offline immediate disallowed unless media recovery enabled


SQL> alter database datafile '//home/adonis/iwbx_wmindx.dbf' offline drop;

Database altered.

SQL> alter database datafile '/home/adonis/dwbx_wmstat.dbf' offline drop;

Database altered.

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-03113: end-of-file on communication channel


SQL> select name from v$tablespace;
select name from v$tablespace
*
ERROR at line 1:
ORA-03114: not connected to ORACLE


SQL> connect system/manager as sysdba;
Connected.
SQL>  select name from v$tablespace;

NAME
------------------------------
SYSTEM
TEMP
RBS
INDX
USERS
DRSYS
TOOLS
EMCBASE
TEST_USER
DWBX_WMSTAT
IWBX_WMINDX

11 rows selected.

SQL> alter database tablespace 'DWBX_WMSTAT' offline;
alter database tablespace 'DWBX_WMSTAT' offline
                          *
ERROR at line 1:
ORA-02231: missing or invalid option to ALTER DATABASE


SQL> drop tablespace DWBX_WMSTAT;
drop tablespace DWBX_WMSTAT
*
ERROR at line 1:
ORA-01549: tablespace not empty, use INCLUDING CONTENTS option


SQL> drop tablespace DWBX_WMSTAT INCLUDING CONTENTS;

Tablespace dropped.


SQL> drop tablespace IWBX_WMINDX INCLUDING CONTENTS;

Tablespace dropped.

SQL> alter database open
  2  ;
alter database open
*
ERROR at line 1:
ORA-01531: a database already open by the instance


database open success!!!!!




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