[oracle@RHEL5 ~]$ sqlplus / as sysdba
SQL*Plus: Release 10.2.0.4.0 - Production on Sat May 29 23:08:46 2010
Copyright (c) 1982, 2007, Oracle. All Rights Reserved.
Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.4.0 - 64bit Production
With the Partitioning, OLAP, Data Mining and Real Application Testing options
SQL> alter tablespace system begin backup;
Tablespace altered.
SQL> host cp /u01/app/oracle/oradata/NEWAY/system01.dbf /u01/app/oracle/oradata/ NEWAY/system01.bak
SQL> alter tablespace system end backup;
Tablespace altered.
SQL> create table t1(a int);
Table created.
SQL> insert into t1 values(1);
1 row created.
SQL> commit;
Commit complete.
SQL> alter system switch logfile;
System altered.
SQL> alter database backup controlfile to TRACE as '/u02/backup_files/ctl.sql' r euse;
Database altered.
SQL> shutdown abort;
ORACLE instance shut down.
SQL> host cp /u01/app/oracle/oradata/NEWAY/system01.bak /u01/app/oracle/oradata/NEWAY/system01.dbf
SQL> host vi /u02/backup_files/ctl.sql
STARTUP NOMOUNT
CREATE CONTROLFILE REUSE DATABASE "NEWAY" NORESETLOGS FORCE LOGGING ARCHIVELOG
MAXLOGFILES 16
MAXLOGMEMBERS 3
MAXDATAFILES 100
MAXINSTANCES 8
MAXLOGHISTORY 292
LOGFILE
GROUP 1 (
'/u01/app/oracle/oradata/NEWAY/redo01.log',
'/u01/app/oracle/oradata/redo02.log',
'/u01/app/oracle/oradata/redo01.log'
) SIZE 50M,
GROUP 2 (
'/u01/app/oracle/oradata/NEWAY/redo02.log',
'/u01/app/oracle/oradata/redo002.log',
'/u01/app/oracle/oradata/redo003.log'
) SIZE 50M,
GROUP 3 (
'/u01/app/oracle/oradata/NEWAY/redo03.log',
'/u01/app/oracle/oradata/redo03.log'
) SIZE 50M
-- STANDBY LOGFILE
DATAFILE
'/u01/app/oracle/oradata/NEWAY/system01.dbf',
'/u01/app/oracle/oradata/NEWAY/undotbs01.dbf',
'/u01/app/oracle/oradata/NEWAY/sysaux01.dbf',
'/u01/app/oracle/oradata/NEWAY/users01.dbf',
'/u01/testing.dbf',
'/u01/testing02.dbf',
'/tmp/testing_lmt.dbf',
'/u01/app/oracle/oradata/example01.dbf'
CHARACTER SET ZHS16GBK
;
SQL> @/u02/backup_files/ctl.sql
ORACLE instance started.
Total System Global Area 285212672 bytes
Fixed Size 2083368 bytes
Variable Size 146802136 bytes
Database Buffers 130023424 bytes
Redo Buffers 6303744 bytes
Control file created.
SQL> SELECT GROUP#,SEQUENCE#,STATUS,ARCHIVED,FIRST_CHANGE# FROM V$LOG;
GROUP# SEQUENCE# STATUS ARC FIRST_CHANGE#
---------- ---------- ---------------- --- -------------
1 65 CURRENT NO 1397664
3 63 INACTIVE NO 1370063
2 64 INACTIVE NO 1395798
SQL> select FILE#,status,CHECKPOINT_CHANGE#,name from v$datafile;
FILE# STATUS CHECKPOINT_CHANGE# NAME
---------- ------- ------------------ ------------------------------
1 SYSTEM 1397664 /u01/app/oracle/oradata/NEWAY/
system01.dbf
2 RECOVER 1397664 /u01/app/oracle/oradata/NEWAY/
undotbs01.dbf
3 RECOVER 1397664 /u01/app/oracle/oradata/NEWAY/
sysaux01.dbf
4 RECOVER 1397664 /u01/app/oracle/oradata/NEWAY/
users01.dbf
FILE# STATUS CHECKPOINT_CHANGE# NAME
---------- ------- ------------------ ------------------------------
5 RECOVER 1397664 /u01/testing.dbf
6 RECOVER 1397664 /u01/testing02.dbf
7 RECOVER 1397664 /tmp/testing_lmt.dbf
8 RECOVER 1397664 /u01/app/oracle/oradata/exampl
e01.dbf
8 rows selected.
SQL> recover database;
Media recovery complete.
此时可以用ALTER DATABASE OPEN 打开数据库,因为是NORESETLOGS创建的控制文件,必须所有的日志文件、数据文件都存在,所以不需要USING BACKUP CONROLFILE来介质恢复数据库
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