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Oracle基于cancel的不完全恢复

程序员文章站 2024-04-03 14:47:34
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实验:Oracle基于cancel的不完全恢复 实验环境查看 lsnrctl statusselect open_mode from v$database; --监听与数据库状态 show

实验:Oracle基于cancel的不完全恢复

实验环境查看

lsnrctl status
select open_mode from v$database;
--监听与数据库状态

show parameter recovery;
select flashback_on from v$database;
archive log list;
--闪回与归档的配置

1)准备环境:RMAN全库备份
RMAN> backup as compressed backupset full database;
--压缩备份
--backup full database ;备份集备份

Starting backup at 20-MAR-13
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=45 device type=DISK
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00001 name=/u01/app/oracle/oradata/ORA11GR2/system01.dbf
input datafile file number=00002 name=/u01/app/oracle/oradata/ORA11GR2/sysaux01.dbf
input datafile file number=00003 name=/u01/app/oracle/oradata/ORA11GR2/undotbs01.dbf
input datafile file number=00005 name=/u01/app/oracle/oradata/ORA11GR2/example01.dbf
input datafile file number=00004 name=/u01/app/oracle/oradata/ORA11GR2/users01.dbf
channel ORA_DISK_1: starting piece 1 at 20-MAR-13
channel ORA_DISK_1: finished piece 1 at 20-MAR-13
piece handle=/u01/app/FRA/ORA11GR2/backupset/2013_03_20/o1_mf_nnndf_TAG20130320T151949_8nlrrrfm_.bkp tag=TAG20130320T151949 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:02:17
channel ORA_DISK_1: starting compressed full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
including current control file in backup set
including current SPFILE in backup set
channel ORA_DISK_1: starting piece 1 at 20-MAR-13
channel ORA_DISK_1: finished piece 1 at 20-MAR-13
piece handle=/u01/app/FRA/ORA11GR2/backupset/2013_03_20/o1_mf_ncsnf_TAG20130320T151949_8nlrx2qs_.bkp tag=TAG20130320T151949 comment=NONE
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:01
Finished backup at 20-MAR-13

2)创建测试数据
SYS@ORA11GR2>create table scott.t1 as select 1 as id from dual;

Table created.

SYS@ORA11GR2>alter system archive log current;

System altered.

SYS@ORA11GR2>create table scott.t2 as select 2 as id from dual;

Table created.

SYS@ORA11GR2>alter system archive log current;

System altered.

SYS@ORA11GR2>create table scott.t3 as select 3 as id from dual;

Table created.

SYS@ORA11GR2>alter system archive log current;

System altered.

SYS@ORA11GR2>
SYS@ORA11GR2>select table_name,tablespace_name from dba_tables where owner='SCOTT' AND table_name LIKE 'T_';

TABLE_NAME TABLESPACE_NAME
------------------------- ------------------------------
T3 USERS
T2 USERS
T1 USERS

完成测试数据构造后,查看生成的归档日志
ls /u01/app/oracle/fast_recovery_area/PROD/archivelog/2014_10_08
ls -lrt


3)删除所有数据文件和在线数据文件

在sqlplus里面删除:
SYS@PROD>select name from v$datafile;

NAME
--------------------
/u01/app/oracle/oradata/PROD/datafile/o1_mf_system_b2251bs1_.dbf

/u01/app/oracle/oradata/PROD/datafile/o1_mf_sysaux_b2251bvo_.dbf

/u01/app/oracle/oradata/PROD/datafile/o1_mf_undotbs1_b2251bw5_.dbf

/u01/app/oracle/oradata/PROD/datafile/o1_mf_users_b2251byw_.dbf

/u01/app/oracle/oradata/PROD/datafile/o1_mf_example_b2257d0c_.dbf

/u01/app/oracle/oradata/PROD/datafile/tbs_move_01.dbf

SYS@PROD>select member from v$logfile;

MEMBER
----------------------------------------------------------------------------------------------------------------------------------
/u01/app/oracle/oradata/PROD/onlinelog/o1_mf_3_b22567o2_.log
/u01/app/oracle/fast_recovery_area/PROD/onlinelog/o1_mf_3_b2256827_.log
/u01/app/oracle/oradata/PROD/onlinelog/o1_mf_2_b2255zsg_.log
/u01/app/oracle/fast_recovery_area/PROD/onlinelog/o1_mf_2_b22560gb_.log
/u01/app/oracle/oradata/PROD/onlinelog/o1_mf_1_b2255npg_.log
/u01/app/oracle/fast_recovery_area/PROD/onlinelog/o1_mf_1_b2255nxl_.log


SYS@PROD>!rm /u01/app/oracle/oradata/PROD/datafile/*.dbf;

SYS@PROD>!rm /u01/app/oracle/oradata/PROD/onlinelog/*.log;

SYS@PROD>!rm /u01/app/oracle/fast_recovery_area/PROD/onlinelog/*.log;


在OS里面删除:
[oracle@ocmu ORA11GR2]$ pwd
/u01/app/oracle/oradata/ORA11GR2
[oracle@ocmu ORA11GR2]$ ls
control01.ctl example01.dbf redo02.log sysaux01.dbf temp01.dbf users01.dbf
control02.ctl redo01.log redo03.log system01.dbf undotbs01.dbf
[oracle@ocmu ORA11GR2]$ rm *.log
[oracle@ocmu ORA11GR2]$ ls
control01.ctl example01.dbf system01.dbf undotbs01.dbf
control02.ctl sysaux01.dbf temp01.dbf users01.dbf
[oracle@ocmu ORA11GR2]$


4)数据库启动到mount模式
SYS@ORA11GR2>shutdown abort;
ORACLE instance shut down.
SYS@ORA11GR2>startup mount;
ORACLE instance started.