Oracle控制文件损坏恢复

一、使用trace文件恢复SQL> alter database backup controlfile to trace; ——将控制文件备份到trace文件 Database altered.

SQL> @gettrace --得到trace文件的路径

TRACE_FILE_NAME
--------------------------------------------------------------------------------
/Oracle/app/admin/ora10g/udump/ora10g_ora_31270.trc

SQL> ！
[oracle@www.linuxidc.com ~]$ more /oracle/app/admin/ora10g/udump/ora10g_ora_31270.trc

/oracle/app/admin/ora10g/udump/ora10g_ora_31270.trc
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
ORACLE_HOME = /oracle/app/oracle/product/10.2.0/db_1
System name:    Linux
Node name:      www.linuxidc.com
Release:        2.6.18-164.el5
                   .
                   .
                   .

-- ALTER DATABASE SET STANDBY DATABASE TO MAXIMIZE PERFORMANCE
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "ORA10G" NORESETLOGS ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
GROUP 1 "/oradata/ora10g/redo01.log" SIZE 50M,
GROUP 2 "/oradata/ora10g/redo02.log" SIZE 50M,
GROUP 3 "/oradata/ora10g/redo03.log" SIZE 50M
-- STANDBY LOGFILE
DATAFILE
"/oradata/ora10g/system01.dbf",
"/oradata/ora10g/undotbs01.dbf",
                            .
                            .
                            .

ALTER TABLESPACE TEMP ADD TEMPFILE "/oradata/ora10g/temp01.dbf"
     SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
-- End of tempfile additions.
--

[oracle@www.linuxidc.com udump]$ cd
[oracle@www.linuxidc.com ~]$ vim recontro.sql ——拷贝trace文件中有用的语句重建控制文件。如果在之前没有备份的trace文件，我们可以从init{SID}.ora文件中得到数据文件、日志文件、数据库表空间等信息，把init{SID}.ora文件中的内容按以下格式创建重构控制文件脚本

STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "ORA10G" NORESETLOGS ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
GROUP 1 "/oradata/ora10g/redo01.log" SIZE 50M,
GROUP 2 "/oradata/ora10g/redo02.log" SIZE 50M,
GROUP 3 "/oradata/ora10g/redo03.log" SIZE 50M
DATAFILE
"/oradata/ora10g/system01.dbf",
"/oradata/ora10g/undotbs01.dbf",
"/oradata/ora10g/sysaux01.dbf",
"/oradata/ora10g/users01.dbf"
CHARACTER SET ZHS16GBK
;
VARIABLE RECNO NUMBER;
EXECUTE :RECNO := SYS.DBMS_BACKUP_RESTORE.SETCONFIG（"CONTROLFILE AUTOBACKUP","OFF"）;
RECOVER DATABASE
ALTER SYSTEM ARCHIVE LOG ALL;
ALTER DATABASE OPEN;
     SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "ORA10G" RESETLOGS ARCHIVELOG
    MAXLOGFILES 16
    MAXLOGMEMBERS 3
    MAXDATAFILES 100
    MAXINSTANCES 8
    MAXLOGHISTORY 292
LOGFILE
GROUP 1 "/oradata/ora10g/redo01.log" SIZE 50M,
GROUP 2 "/oradata/ora10g/redo02.log" SIZE 50M,
GROUP 3 "/oradata/ora10g/redo03.log" SIZE 50M
DATAFILE
"/oradata/ora10g/system01.dbf",
"/oradata/ora10g/undotbs01.dbf",
"/oradata/ora10g/sysaux01.dbf",
"/oradata/ora10g/users01.dbf"
CHARACTER SET ZHS16GBK
;
VARIABLE RECNO NUMBER;
EXECUTE :RECNO := SYS.DBMS_BACKUP_RESTORE.SETCONFIG（"CONTROLFILE AUTOBACKUP","OFF"）;
RECOVER DATABASE USING BACKUP CONTROLFILE
ALTER DATABASE OPEN RESETLOGS;
     SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
"recontro.sql" 49L, 1641C 已写入
[oracle@www.linuxidc.com ~]$ sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Tue Jul 19 03:30:34 2011

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

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options

SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> set echo on       ——打开显示输出
SQL> @recontro        ——使用刚建立的重构控制文件的脚本重建控制文件
SQL> STARTUP NOMOUNT
ORACLE instance started.

Total System Global Area 209715200 bytes
Fixed Size                  1218556 bytes
Variable Size              75499524 bytes
Database Buffers          130023424 bytes
Redo Buffers                2973696 bytes
SQL> CREATE CONTROLFILE REUSE DATABASE "ORA10G" NORESETLOGS     ARCHIVELOG
2      MAXLOGFILES 16
3      MAXLOGMEMBERS 3
4      MAXDATAFILES 100
5      MAXINSTANCES 8
6      MAXLOGHISTORY 292
7 LOGFILE
8    GROUP 1 "/oradata/ora10g/redo01.log"     SIZE 50M,
9    GROUP 2 "/oradata/ora10g/redo02.log"     SIZE 50M,
10    GROUP 3 "/oradata/ora10g/redo03.log"     SIZE 50M
11 DATAFILE
12    "/oradata/ora10g/system01.dbf",
13    "/oradata/ora10g/undotbs01.dbf",
14    "/oradata/ora10g/sysaux01.dbf",
15    "/oradata/ora10g/users01.dbf"
16 CHARACTER SET ZHS16GBK
17 ;

Control file created.

SQL> VARIABLE RECNO NUMBER;
SQL> EXECUTE :RECNO := SYS.DBMS_BACKUP_RESTORE.SETCONFIG（"CONTROLFILE AUTOBACKUP","OFF"）;

PL/SQL procedure successfully completed.

SQL> RECOVER DATABASE

SQL> ALTER SYSTEM ARCHIVE LOG ALL;

System altered.

SQL> ALTER DATABASE OPEN;

Database altered.

SQL> ALTER TABLESPACE TEMP ADD TEMPFILE "/oradata/ora10g/temp01.dbf"
2       SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;

Tablespace altered.

SQL> STARTUP NOMOUNT
ORA-01081: cannot start already-running ORACLE - shut it down first
SQL> CREATE CONTROLFILE REUSE DATABASE "ORA10G" RESETLOGS ARCHIVELOG
2      MAXLOGFILES 16
3      MAXLOGMEMBERS 3
4      MAXDATAFILES 100
5      MAXINSTANCES 8
6      MAXLOGHISTORY 292
7 LOGFILE
8    GROUP 1 "/oradata/ora10g/redo01.log"     SIZE 50M,
9    GROUP 2 "/oradata/ora10g/redo02.log"     SIZE 50M,
10    GROUP 3 "/oradata/ora10g/redo03.log"     SIZE 50M
11 DATAFILE
12    "/oradata/ora10g/system01.dbf",
13    "/oradata/ora10g/undotbs01.dbf",
14    "/oradata/ora10g/sysaux01.dbf",
15    "/oradata/ora10g/users01.dbf"
16 CHARACTER SET ZHS16GBK
17 ;
CREATE CONTROLFILE REUSE DATABASE "ORA10G" RESETLOGS ARCHIVELOG

SQL> VARIABLE RECNO NUMBER;
SQL> EXECUTE :RECNO := SYS.DBMS_BACKUP_RESTORE.SETCONFIG（"CONTROLFILE AUTOBACKUP","OFF"）;

PL/SQL procedure successfully completed.

SQL> RECOVER DATABASE USING BACKUP CONTROLFILE

SQL> ALTER DATABASE OPEN RESETLOGS;

SQL> ALTER TABLESPACE TEMP ADD TEMPFILE "/oradata/ora10g/temp01.dbf"
2       SIZE 20971520 REUSE AUTOEXTEND ON NEXT 655360 MAXSIZE 32767M;
ALTER TABLESPACE TEMP ADD TEMPFILE "/oradata/ora10g/temp01.dbf"

Tablespace altered.
SQL> select open_mode from v$database;

OPEN_MODE
----------
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