ORA-01113: file xxxx needs media recovery

简介:

由于规范存储位置以及存储空间调整缘故需要移动表空间MRP_INDEX2的数据文件,如下所示,首先将表空间MRP_INDEX2脱机; 然后复制数据文件;接着重命名数据文件,最后将表空间MRP_INDEX2联机.

在操作过后,最后一步将表空间MRP_INDEX2联机上线时,出现了意外错误信息,如下所示:

SQL> ALTER TABLESPACE MRP_INDEX2 OFFLINE NORMAL;
 
Tablespace altered.
 
SQL> !cp /u03/flash_recovery_area/oradata/epps/mrp_index2_x01.dbf  /u04/epps/oradata/mrp_index2_x01.dbf
SQL> !cp /u03/flash_recovery_area/oradata/epps/mrp_index2_x02.dbf  /u04/epps/oradata/mrp_index2_x02.dbf
 
SQL> ALTER DATABASE RENAME FILE '/u03/flash_recovery_area/oradata/epps/mrp_index2_x01.dbf' TO '/u04/epps/oradata/mrp_index2_x01.dbf';
 
 
Database altered.

如下所示,在重命名文件时,其中一个文件路径'u04/epps/oradata/mrp_index2_x02.dbf'弄错了,当时一直没有留意到这个错误,怕耽搁Tablespace的联机上线时间。于是先将表空间MRP_INDEX2联机上线

SQL> ALTER DATABASE RENAME FILE '/u03/flash_recovery_area/oradata/epps/mrp_index2_x02.dbf' TO 'u04/epps/oradata/mrp_index2_x02.dbf'
 
*
 
ERROR at line 1:
 
ORA-01511: error in renaming log/data files
 
ORA-01141: error renaming data file 86 - new file
 
'u04/epps/oradata/mrp_index2_x02.dbf' not found
 
ORA-01110: data file 86:
 
'/u03/flash_recovery_area/oradata/epps/mrp_index2_x02.dbf'
 
ORA-27037: unable to obtain file status
 
Linux Error: 2: No such file or directory
 
Additional information: 3
 
SQL> ALTER TABLESPACE MRP_INDEX2 ONLINE ;
 
Tablespace altered.
 

检查过后发现了上面脚本错误,于是接着处理,但是将表空间MRP_INDEX2脱机后,没有重新拷贝数据文件过去,直接重命名数据文件(SCN已经改变,导致下面ORA-01113错误),然后表空间联机上线时,出现了下面错误

SQL> ALTER TABLESPACE MRP_INDEX2 OFFLINE NORMAL;
 
Tablespace altered.
 
SQL> ALTER DATABASE RENAME FILE '/u03/flash_recovery_area/oradata/epps/mrp_index2_x02.dbf' TO '/u04/epps/oradata/mrp_index2_x02.dbf';
 
Database altered.
 
SQL> 
 
SQL> ALTER TABLESPACE MRP_INDEX2 ONLINE ;
 
ALTER TABLESPACE MRP_INDEX2 ONLINE
 
*
 
ERROR at line 1:
 
ORA-01113: file 86 needs media recovery
 
ORA-01110: data file 86: '/u04/epps/oradata/mrp_index2_x02.dbf'

clip_image002

 

解决方法:

1:首先将对应报错的数据文件脱机

SQL> alter database datafile '/u04/epps/oradata/mrp_index2_x02.dbf' offline;
 
Database altered.

2:其次recover这个数据文件

SQL> alter database recover datafile '/u04/epps/oradata/mrp_index2_x02.dbf';
 
Database altered.
 

3:然后将该数据文件联机上线

SQL> alter database datafile '/u04/epps/oradata/mrp_index2_x02.dbf' online;
 
Database altered.

4:最后将该表空间MRP_INDEX2联机上线。

SQL> ALTER TABLESPACE MRP_INDEX2 ONLINE ;

当然也可以使用RMAN还原,这里感觉使用SQL命令还原要简单方便一点,最后删除拷贝前的文件

rm /u03/flash_recovery_area/oradata/epps/mrp_index2_x01.dbf 
 
rm /u03/flash_recovery_area/oradata/epps/mrp_index2_x02.dbf 
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