脚本恢复控制文件

脚本恢复数据库控制文件

STARTUP NOMOUNT

CREATE CONTROLFILE REUSE DATABASE "VDEDU" NORESETLOGS  ARCHIVELOG

    MAXLOGFILES 16

    MAXLOGMEMBERS 3

    MAXDATAFILES 100

    MAXINSTANCES 8

    MAXLOGHISTORY 292

LOGFILE

  GROUP 1 '/u01/app/oracle/oradata/VDEDU/redo01.log'  SIZE 50M BLOCKSIZE 512,

  GROUP 2 '/u01/app/oracle/oradata/VDEDU/redo02.log'  SIZE 50M BLOCKSIZE 512,

  GROUP 3 '/u01/app/oracle/oradata/VDEDU/redo03.log'  SIZE 50M BLOCKSIZE 512

-- STANDBY LOGFILE

DATAFILE

  '/u01/app/oracle/oradata/VDEDU/system01.dbf',

  '/u01/app/oracle/oradata/VDEDU/sysaux01.dbf',

  '/u01/app/oracle/oradata/VDEDU/undotbs01.dbf',

  '/u01/app/oracle/oradata/VDEDU/users01.dbf',

  '/u01/app/oracle/oradata/VDEDU/example01.dbf'

CHARACTER SET AL32UTF8

;

 

STARTUP NOMOUNT

CREATE CONTROLFILE REUSE DATABASE "VDEDU" RESETLOGS  ARCHIVELOG

    MAXLOGFILES 16

    MAXLOGMEMBERS 3

    MAXDATAFILES 100

    MAXINSTANCES 8

    MAXLOGHISTORY 292

LOGFILE

  GROUP 1 '/u01/app/oracle/oradata/VDEDU/redo01.log'  SIZE 50M BLOCKSIZE 512,

  GROUP 2 '/u01/app/oracle/oradata/VDEDU/redo02.log'  SIZE 50M BLOCKSIZE 512,

  GROUP 3 '/u01/app/oracle/oradata/VDEDU/redo03.log'  SIZE 50M BLOCKSIZE 512

-- STANDBY LOGFILE

DATAFILE

  '/u01/app/oracle/oradata/VDEDU/system01.dbf',

  '/u01/app/oracle/oradata/VDEDU/sysaux01.dbf',

  '/u01/app/oracle/oradata/VDEDU/undotbs01.dbf',

  '/u01/app/oracle/oradata/VDEDU/users01.dbf',

  '/u01/app/oracle/oradata/VDEDU/example01.dbf'

CHARACTER SET AL32UTF8

;

 

使用noresetlogs仅是当前所有的online logs可用时。

使用resetlogs，将导致online logs里的内容丢失，并且所有的备份失效，仅当online logs损坏的情况下，才使用resetlos模式。

 

 

SQL> alter database backup controlfile to trace;

 

Database altered.

 

SQL> oradebug setmypid

Statement processed.

SQL> oradebug tracefile_name

/u01/app/oracle/diag/rdbms/vdedu/VDEDU/trace/VDEDU_ora_10040.trc

 

oradebug setmypid  --跟踪当前会话

oradebug tracefile_name  --查看trace文件名及位置

 

 

[oracle@lyo1 ~]$ cat /u01/app/oracle/diag/rdbms/vdedu/VDEDU/trace/VDEDU_ora_10040.trc > createcontrol.txt

[oracle@lyo1 ~]$ vi createcontrol.txt

 

删除控制文件

[oracle@lyo1 ~]$ rm -rf /u01/app/oracle/oradata/VDEDU/control01.ctl

[oracle@lyo1 ~]$ rm -rf /u01/app/oracle/fast_recovery_area/VDEDU/control02.ctl

 

SQL> shutdown abort

ORACLE instance shut down.

SQL> startup

ORACLE instance started.

 

Total System Global Area 1503199232 bytes

Fixed Size     2253424 bytes

Variable Size   922750352 bytes

Database Buffers   570425344 bytes

Redo Buffers     7770112 bytes

ORA-00205: error in identifying control file, check alert log for more info

 

 

SQL> shutdown abort

ORACLE instance shut down.

SQL> quit

 

利用脚本重做控制文件，需重做两次

SQL> @1.sql

ORACLE instance started.

 

Total System Global Area 1503199232 bytes

Fixed Size     2253424 bytes

Variable Size   922750352 bytes

Database Buffers   570425344 bytes

Redo Buffers     7770112 bytes

 

Control file created.

恢复数据库

SQL> RECOVER DATABASE;

Media recovery complete.

启用归档模式

SQL> ALTER SYSTEM ARCHIVE LOG ALL;

 

System altered.

打开数据库

SQL> alter database open;

 

Database altered.

 

 

利用resetlogs脚本重做

[oracle@oracle ~]$ sqlplus / as sysdba

 

SQL*Plus: Release 11.2.0.4.0 Production on Mon Jul 9 19:17:30 2018

 

Copyright (c) 1982, 2013, Oracle.  All rights reserved.

 

Connected to an idle instance.

 

SQL> @2.sql

ORACLE instance started.

 

Total System Global Area  839282688 bytes

Fixed Size     2257880 bytes

Variable Size   545262632 bytes

Database Buffers   289406976 bytes

Redo Buffers     2355200 bytes

 

Control file created.

 

SQL> quit

 

 

SQL> RECOVER DATABASE USING BACKUP CONTROLFILE;

ORA-00279: change 1111159 generated at 07/09/2018 19:13:58 needed for thread 1

ORA-00289: suggestion :

/u01/app/oracle/fast_recovery_area/KINGSQL/archivelog/2018_07_09/o1_mf_1_11_%u_.

arc

ORA-00280: change 1111159 for thread 1 is in sequence #11

 

 

Specify log: {<RET>=suggested | filename | AUTO | CANCEL}

/u01/app/oracle/oradata/kingsql/redo01.log

ORA-00310: archived log contains sequence 10; sequence 11 required

ORA-00334: archived log: '/u01/app/oracle/oradata/kingsql/redo01.log'

 

 

SQL> RECOVER DATABASE USING BACKUP CONTROLFILE;

ORA-00279: change 1111159 generated at 07/09/2018 19:13:58 needed for thread 1

ORA-00289: suggestion :

/u01/app/oracle/fast_recovery_area/KINGSQL/archivelog/2018_07_09/o1_mf_1_11_%u_.

arc

ORA-00280: change 1111159 for thread 1 is in sequence #11

 

 

Specify log: {<RET>=suggested | filename | AUTO | CANCEL}

/u01/app/oracle/oradata/kingsql/redo02.log

Log applied.

Media recovery complete.

SQL> alter database open resetlogs;

 

Database altered.