今天小雨很闷热，晚上启自己电脑ORACLE数据报如下错误：

SQL> startup

ORACLE 例程已经启动。

Total System Global Area  535662592 bytes

Fixed Size                  1375792 bytes

Variable Size             222298576 bytes

Database Buffers          306184192 bytes

Redo Buffers                5804032 bytes

数据库装载完毕。

ORA-03113: 通信通道的文件结尾

进程 ID: 3288

会话 ID: 9 序列号: 3

SQL> alter database open;

ERROR:

ORA-03114: 未连接到 ORACLE

SQL> conn / sysdba

SP2-0306: 选项无效。

用法: CONN[ECT] [{logon|/|proxy} [AS {SYSDBA|SYSOPER|SYSASM}] [edition=value]]

其中 ::= [/][@]

::= [][/][@]

SQL> conn / as sysdba

ERROR:

ORA-01031: insufficient privileges

C:\Users\deitylee>sqlplus / as sysdba

SQL*Plus: Release 11.2.0.1.0 Production on 星期五 11月 4 19:45:53 2011

Copyright (c) 1982, 2010, Oracle.  All rights reserved.

已连接到空闲例程。

SQL> show user;

USER 为 "SYS"

SQL> select * from v$database;

select * from v$database

*

第 1 行出现错误:

ORA-01034: ORACLE not available

进程 ID: 0

会话 ID: 0 序列号: 0

SQL> alter databae open;

alter databae open

*

第 1 行出现错误:

ORA-01034: ORACLE not available

进程 ID: 0

会话 ID: 0 序列号: 0

SQL> startup mount;

ORACLE 例程已经启动。

Total System Global Area  535662592 bytes

Fixed Size                  1375792 bytes

Variable Size             222298576 bytes

Database Buffers          306184192 bytes

Redo Buffers                5804032 bytes

数据库装载完毕。

SQL> alter database open;

alter database open

*

第 1 行出现错误:

ORA-03113: 通信通道的文件结尾

进程 ID: 1292

会话 ID: 9 序列号: 5

SQL> startup

ORA-24324: 未初始化服务句柄

ORA-01041: 内部错误, hostdef 扩展名不存在

通过以上验证可以看出实例在启动后会自动关闭，查看alert_orcl.log得到如下结果：

Errors in file e:\app\deitylee\diag\rdbms\orcl\orcl\trace\orcl_lgwr_4028.trc:

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

ORA-27041: unable to open file

OSD-04002: 无法打开文件

O/S-Error: (OS 2) 系统找不到指定的文件。

Errors in file e:\app\deitylee\diag\rdbms\orcl\orcl\trace\orcl_lgwr_4028.trc:

ORA-00313: open failed for members of log group 1 of thread 1

ORA-00312: online log 1 thread 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

ORA-27041: unable to open file

OSD-04002: 无法打开文件

O/S-Error: (OS 2) 系统找不到指定的文件。

Errors in file e:\app\deitylee\diag\rdbms\orcl\orcl\trace\orcl_ora_1292.trc:

ORA-00313: 无法打开日志组 1 (用于线程 ) 的成员

ORA-00312: 联机日志 1 线程 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

USER (ospid: 1292): terminating the instance due to error 313

Fri Nov 04 19:47:19 2011

ARC3 started with pid=24, OS id=2120

Instance terminated by USER, pid = 1292

再查看orcl_ora_1292.trc文件：

Trace file e:\app\deitylee\diag\rdbms\orcl\orcl\trace\orcl_ora_1292.trc

Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - Production

With the Partitioning, OLAP, Data Mining and Real Application Testing options

Windows NT Version V6.1 Service Pack 1

CPU                 : 2 - type 586, 2 Physical Cores

Process Affinity    : 0x0x00000000

Memory (Avail/Total): Ph:1202M/2046M, Ph+PgF:2529M/4092M, VA:1214M/2047M

Instance name: orcl

Redo thread mounted by this instance: 1

Oracle process number: 20

Windows thread id: 1292, image: ORACLE.EXE (SHAD)

*** 2011-11-04 19:47:19.437

*** SESSION ID:(9.5) 2011-11-04 19:47:19.437

*** CLIENT ID:() 2011-11-04 19:47:19.437

*** SERVICE NAME:() 2011-11-04 19:47:19.437

*** MODULE NAME:(sqlplus.exe) 2011-11-04 19:47:19.437

*** ACTION NAME:() 2011-11-04 19:47:19.437

DDE: Problem Key 'ORA 312' was flood controlled (0x1) (no incident)

ORA-00312: 联机日志 1 线程 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

DDE: Problem Key 'ORA 313' was flood controlled (0x1) (no incident)

ORA-00313: 无法打开日志组 1 (用于线程 ) 的成员

ORA-00312: 联机日志 1 线程 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

ORA-00313: 无法打开日志组 1 (用于线程 ) 的成员

ORA-00312: 联机日志 1 线程 1: 'E:\APP\DEITYLEE\ORADATA\ORCL\REDO01.LOG'

问题很清楚了，oracle找不到REDO01.LOG文件，使用备份恢复即可。

SQL> startup

ORACLE 例程已经启动。

Total System Global Area  535662592 bytes

Fixed Size                  1375792 bytes

Variable Size             222298576 bytes

Database Buffers          306184192 bytes

Redo Buffers                5804032 bytes

数据库装载完毕。

数据库已经打开。

ORA-00313: open failed for members of log group string of thread string

Cause: The online log cannot be opened. May not be able to find file.

Action: See accompanying errors and make log available.