zoukankan      html  css  js  c++  java
  • Oracle归档的开启和关闭

      --1、开启归档

      【步骤】

      a.一致性关闭数据库(shutdown [immediate | transactional |normal])

      b.启动到mount阶段(startup mount)

      c.切换到归档模式(alter database archivelog[manual])

      d.切换到open阶段(alter database open)

      e.对数据做一个完整备份(full backup)

      show parameter spfile

      alter system set log_archive_dest_1='location=/ggs/arch_data' scope=spfile;

      alter system set db_recovery_file_dest_size=100g scope=spfile sid='*';

      alter system set db_recovery_file_dest='/ggs/ora_recovery' scope=spfile;

      alter system set log_archive_format='arch_%t_%s_%r.arc' scope=spfile;

      shutdown immediate;

      startup mount;

      alter database archivelog;

      alter database open ;

      archive log list;

      --2、关闭归档

      【步骤】归档模式切换到非归档模式

      a. [immediate | transactional |normal])一致性关闭数据库(shutdown

      b.启动到mount阶段(startup mount)

      c.切换到归档模式(alter database noarchivelog)

      d.切换到open阶段(alter database open)

      关闭归档模式:

      shutdown immediate;

      startup mount;

      alter database noarchivelog;

      alter database open;

      查看归档文件:

      select * from v$log;

      select * from v$logfile;

      select * from v$flash_recovery_area_usage;

      report obsolete;

      delete obsolete;

      备份归档文件:

      backup archivelog all;

      也可以:

      先执行alter system switch logfile;

      再找到归档日志位置,复制到别的地方即可。

      rman target /

      delete archivelog all completed before 'sysdate-7';

      backup first

      backup format '/tmp/arch-%t_%s_%u' archivelog all delete input;

      或者backup database plus archivelog;

      删除归档文件:

      rman target / 或者 rman target user/password@tns

      list archivelog all;

      crosscheck archivelog all;

      list expired archivelog all;

      delete expired archivelog all;(编辑:雷林鹏 来源:网络)

  • 相关阅读:
    Windows Server 2012配置开机启动项
    Windows Server 2019 SSH Server
    NOIP2017 senior A 模拟赛 7.7 T1 棋盘
    Noip 2015 senior 复赛 Day2 子串
    Noip 2015 senior复赛 题解
    Noip 2014 senior Day2 解方程(equation)
    Noip 2014 senior Day2 寻找道路(road)
    Noip 2014 senior Day2 无线网络发射器选址(wireless)
    Noip2014senior复赛 飞扬的小鸟
    Noip 2014 senior 复赛 联合权值(link)
  • 原文地址:https://www.cnblogs.com/pengpeng1208/p/9546955.html
Copyright © 2011-2022 走看看