rman数据库克隆的相关内容

文章 2017-11-13 来自：开发者社区

RMAN 数据库克隆文件位置转换方法

在使用RMAN克隆数据库时，如果辅助数据库(新数据库)使用了与目标数据库(原数据库)使用了不同的路径，那么就存在位置转换的问题。在Oracle中，控制文件用于定位数据文件以及联机重做日志文件，如果没有正确的转换，控制文件压根就找不到相应的数据文件，日志文件。对此Oralce为我们提供了三种文件位置的转换方法。本文即是对这三种转换方法的描述。 1、使用db_file_name_conv...

文章 2013-08-02 来自：开发者社区

基于RMAN从活动数据库异机克隆(rman duplicate from active DB)

Oracle 11g RMAN能够实现基于活动数据库进行异机克隆，从而省去需要先备份再ftp到辅助服务器的过程。这一切可以全部交给Oracle来搞定。在克隆期间，Oracle会读取Target DB的所有数据结构，无须人为的干预(不同的磁盘系统，文件路径与文件名要指定转换方式)。尽管如此，对于生产环境数据库在整个克隆期间性能会下降，其次...

文章 2013-07-31 来自：开发者社区

基于RMAN的异机数据库克隆(rman duplicate)

对于基于生产环境下的数据库的版本升级或者测试新的应用程序的性能及其影响，备份恢复等等，我们可以采取从生产环境以克隆的方式将其克隆到本地而不影响生产数据库的正常使用。实现这个功能我们可以借助rman duplicate方式以及其简单的方式来完成。duplicate方式不同于OS级别的备份，它会为辅助数据库(克隆出来的数据库)生成一个新的d...

文章 2013-07-26 来自：开发者社区

Oracle数据库克隆，也叫着Oracle数据库复制，可以通过基于用户管理的方式来完成，也可以基于RMAN方式来实现。而且Oracle建议使用RMAN方式来实现，因为它简单易用，隐藏其复杂的逻辑，仅仅是执行一条duplicate命令就可以喝茶了。当然，前期的准备工作也是不可少滴，如创建相应的dump目录，准备参数文件，配置监听等等。本文描述了Oracle 11g下如何使用RMAN实现同机克隆数据....

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