強制關機後， ORA-01172 磁盤壞塊解決方法

由於服務器突然掉電，重啓機器後發現數據庫無法啓動。
數據庫版本 Oracle10201，OS RedHat 5.4
數據庫無歸檔，無備份

[oracle@hunan02 ~]$ sqlplus /nolog

SQL*Plus: Release 10.2.0.1.0 - Production on Tue Jun 28 10:37:03 2011

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

SQL> conn /as sysdba
Connected.

SQL> select open_mode from v$database;

OPEN_MODE
----------
MOUNTED

嘗試打開數據庫
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01172: recovery of thread 1 stuck at block 3651180 of file 8
ORA-01151: use media recovery to recover block, restore backup if needed

 

SQL>  select file#,name from v$datafile where file#=8;

     FILE#
----------
NAME
--------------------------------------------------------------------------------
         8
/oradata2/users01_6.dbf

SQL> recover datafile 8;    / 恢復成功
Media recovery complete.

 

 

Recover 　　從損壞的磁盤中恢復可讀取的信息。

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