ORACLE11g 实例启动报错:
SQL> conn / as sysdba
Connected to an idle instance.
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 1607008256 bytes
Fixed Size 1364928 bytes
Variable Size 922750016 bytes
Database Buffers 671088640 bytes
Redo Buffers 11804672 bytes
SQL> alter database mount;
alter database mount
*
ERROR at line 1:
ORA-00205: error in identifying control file, check alert log for more info
SQL>
查看alert日志:
SQL> show parameter dump
NAME TYPE VALUE
----------------------------------
SQL> conn / as sysdba
Connected to an idle instance.
SQL> startup nomount;
ORACLE instance started.
Total System Global Area 1607008256 bytes
Fixed Size 1364928 bytes
Variable Size 922750016 bytes
Database Buffers 671088640 bytes
Redo Buffers 11804672 bytes
SQL> alter database mount;
alter database mount
*
ERROR at line 1:
ORA-00205: error in identifying control file, check alert log for more info
SQL>
查看alert日志:
SQL> show parameter dump
NAME TYPE VALUE
----------------------------------

本文档描述了在尝试启动Oracle 11g实例时遇到ORA-00205错误的解决过程。错误原因在于控制文件无法被识别,通过检查alert日志发现与磁盘权限相关。解决方案是为ORACLE用户添加对/dev/raw/raw2的执行权限,从而成功启动并挂载数据库。
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