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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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