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rman不同实例名进行还原数据库.docx
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2024-10-09
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单实例
RMAN
的异机恢复
版本 发布时间 修订章节 作者
 
毛跃超
目录
环境描述与检查:

两端环境介绍:

【源端】是否开启归档:

【源端】开启归档命令

【源端】前面准备工作

【源端】数据全备

异机还原准备工作

【源端】复制原库的

备份内容到备库上

【目标端】修改

【目标端】强制启动到


启动异机恢复

恢复参数文件

【目标端】创建修改

并根据

的内容建相应的目录

【目标端】恢复控制文件

【目标端】启动到

【目标端】确认复制过来备份的有效性

【目标端】备库做还原及恢复

【目标端】打开数据库并核对恢复情况

【目标端】启动
!"#
环境描述与检查:
两端环境介绍:
源端
目标端
#
$%&'()" *+* ,
$%&'-$' **,*+, **,*+,
参数文件位置
**,*+,,

**,*+,,

"#)" .+
只安
"#
软件,不进行
"#%
建库,此
【源端】是否开启归档:
(/&01*213141
"131,11111111111111*21,
*1*21111111111111',
*21,1111111111115('"#'%$'67)&'"'(8
$,11319*11111.
:1319*11*2111.
%1319*11111111111.
(/&0
【源端】开启归档命令
如果没有开启归档,请开启归档:
(/&0*2131
(/&0,;1,4
(/&014
(/&01,1*234
然后打开数据库,启用自动归档。
(/&01,14
【源端】前面准备工作
以下命令是全备份
&
的参考样例,其中使用了压缩备份,为了提高恢复效率,请提前设置备份压缩级别为
,
,此外,这个备份中,可

和控制文件并不会在
**<
中,所以需要单独在

中使用
1*<1=1
这类命令检查并
*
传输
设置备份压缩级别:
1311
*31*131>'")5>4
【源端】数据全备
1311??'$710@3@3
A
* 1 * 1 * 1 ,2* 1 B 1 ,< 1 = 1 >**<,*C,C8CC<> 1 ** 1 B*
:*DE 4
* 1 * 1 * 1 ,2* 1 B 1 ,< 1 = 1 >**<,*C,C8CC<> 1 ** 1 B*
:*DE 4
91>1B1*2131,11*>4
91>1B1*2131,11*>4
*<11*,1*<1*121131>#%F5!&>1,11*231,14
***<1*<4
***<1*2314
,11:,1*<4
,114
,11*<1=1,1*,1=1>B,1G>4
,11*2314
,11*<1=1*2311*,1=1>B,1G>4
1*1*4
1*1*4
H
接下来就还要准备一台空的数据库机器,要求是此台机器只装了数据库软件,实例不需要建
异机还原准备工作
【源端】复制原库的
RMAN
备份内容到备库上
I*J1K@1*1**<L1JM**<11
(
如果用
root scp
,注意目标端授权:
chown oracle:oinstall *
Chmod 755 * )
拷贝
RMAN
备份的时候建议放在的目标库和源库的路径一致
【目标端】修改
.bash_prole
*,
修改为
,
of 15
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