启动Oracle报错:
[oracle@oracle11g ~]$ sqlplus "/as sysdba"
SQL*Plus: Release 11.2.0.3.0 Production on Sun Jun 15 22:13:54 2014
Copyright (c) 1982, 2011, Oracle. All rights reserved.
Connected to an idle instance.
SQL> startup
ORACLE instance started.
Total System Global Area 1603411968 bytes
Fixed Size 2228784 bytes
Variable Size 1140854224 bytes
Database Buffers 452984832 bytes
Redo Buffers 7344128 bytes
Database mounted.
ORA-10873: file 4 needs to be either taken out of backup mode or media
recovered
ORA-01110: data file 4: '/u01/oracle/oradata/orcl/users01.dbf'
SQL> select status from v$instance;
STATUS
------------
MOUNTED
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-10873: file 4 needs to be either taken out of backup mode or media
recovered
ORA-01110: data file 4: '/u01/oracle/oradata/orcl/users01.dbf'
SQL> alter database end backup;
Database altered.
SQL> alter database open;
Database altered.
SQL> select status from v$instance;
STATUS
------------
OPEN
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