Heim >Datenbank >MySQL-Tutorial >数据库RMAN不完全恢复

数据库RMAN不完全恢复

WBOYOriginal: 2016-06-07 15:29:321335Durchsuche

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入之前介绍了：Oracle数据库RMAN不完全恢复之基于SCN恢复，本文我们主要介绍一下Oracle数据库RMAN不完全恢复之基于日志序列号恢复的相关知识，希望能够对您有所帮助。 --查看归档日志信息 SQL select

欢迎进入Oracle社区论坛，与200万技术人员互动交流 >>进入

之前介绍了：Oracle数据库RMAN不完全恢复之基于SCN恢复，本文我们主要介绍一下Oracle数据库RMAN不完全恢复之基于日志序列号恢复的相关知识，希望能够对您有所帮助。

--查看归档日志信息 SQL> select * from t_user;

TEXT --------------------

java_ spring_ spring mvc_

SQL> insert into t_user select 'oracle_' from dual;

1 row created.

SQL> commit;

Commit complete.

SQL> alter system switch logfile;

System altered.

SQL> alter system checkpoint;

System altered.

SQL> select sequence#,name,first_change# from v$archived_log where status='A' order by sequence#;

SEQUENCE# NAME

FIRST_CHANGE#

SQL> insert into t_user select 'oracle_seq3' from dual;

1 row created.

SQL> commit;

Commit complete.

SQL> alter system switch logfile;

--生成日志序列号为2的归档日志

System altered.

SQL> alter system checkpoint;

System altered.

SQL> select sequence#,name,first_change# from v$archived_log where status='A' order by sequence#;

SEQUENCE# NAME

FIRST_CHANGE#

---------- ---------------------------------------------------------------------------------------------------- ------------- 2 /oracle/10g/oracle/log/archive_log2/archive_1_2_760487985.arclog 1216167 2 /oracle/10g/oracle/product/10.2.0/db_1/flash_recovery_area/ORALIFE/archivelog/2011_08_29/o1_mf_1_2_7 1216167 5q9cvt1_.arc 9 rows selected.

SQL> insert into t_user select 'oracle_seq3_act' from dual;

1 row created.

SQL> commit;

Commit complete.

SQL> alter system switch logfile;

--生成日志序列号为3的归档日志

System altered.

SQL> alter system checkpoint;

System altered.

SQL> select sequence#,name,first_change# from v$archived_log where status='A' order by sequence#;

SEQUENCE# NAME

FIRST_CHANGE#

---------- ---------------------------------------------------------------------------------------------------- ------------- 1 /oracle/10g/oracle/log/archive_log/archive_1_1_760487088.arclog 1214497 1 /oracle/10g/oracle/log/archive_log2/archive_1_1_760487088.arclog 1214497 1 /oracle/10g/oracle/product/10.2.0/db_1/flash_recovery_area/ORALIFE/archivelog/2011_08_29/o1_mf_1_1_7 1214497 5q95ksf_.arc 1 /oracle/10g/oracle/log/archive_log/archive_1_1_760487985.arclog 1214498 1 /oracle/10g/oracle/log/archive_log2/archive_1_1_760487985.arclog 1214498 1 /oracle/10g/oracle/product/10.2.0/db_1/flash_recovery_area/ORALIFE/archivelog/2011_08_29/o1_mf_1_1_7 1214498 5q9bh9d_.arc 2 /oracle/10g/oracle/log/archive_log/archive_1_2_760487985.arclog 1216167 SEQUENCE# NAME FIRST_CHANGE# ---------- ---------------------------------------------------------------------------------------------------- ------------- 2 /oracle/10g/oracle/log/archive_log2/archive_1_2_760487985.arclog 1216167 2 /oracle/10g/oracle/product/10.2.0/db_1/flash_recovery_area/ORALIFE/archivelog/2011_08_29/o1_mf_1_2_7 1216167 5q9cvt1_.arc 3 /oracle/10g/oracle/log/archive_log/archive_1_3_760487985.arclog 1216186 3 /oracle/10g/oracle/log/archive_log2/archive_1_3_760487985.arclog 1216186 3 /oracle/10g/oracle/product/10.2.0/db_1/flash_recovery_area/ORALIFE/archivelog/2011_08_29/o1_mf_1_3_7 1216186 5q9f4d6_.arc 12 rows selected.

--恢复到日志序列号为3时的状态

[oracle@localhost ~]$ rman target sys/oracle@oralife nocatalog RMAN> run { startup force mount;

set until sequence=3;

restore database;

recover database;

sql 'alter database open resetlogs';

}

--查看，可见不包括日志序列号为3的归档日志信息（oracle_seq3_act），即恢复到日志序列号为2的归档日志

SQL> conn sys/oracle@oralife as sysdba Connected.

SQL> select * from t_user;

TEXT

--------------------

java_

spring_

oracle_

oracle_seq3

spring mvc_

数据库RMAN不完全恢复

Stellungnahme：

Der Inhalt dieses Artikels wird freiwillig von Internetnutzern beigesteuert und das Urheberrecht liegt beim ursprünglichen Autor. Diese Website übernimmt keine entsprechende rechtliche Verantwortung. Wenn Sie Inhalte finden, bei denen der Verdacht eines Plagiats oder einer Rechtsverletzung besteht, wenden Sie sich bitte an admin@php.cn

Vorheriger Artikel：如何搭建一个数据库服务器平台Nächster Artikel：实战Dreamweaver MX技巧之超链接

In Verbindung stehende Artikel

Mehr sehen