oracle 12c多租户下归档开启及各种备份场景.docx

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2025-10-11

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注：所有

pdb

共享一个数据库实例、一份控制文件、一份在线

redo

日志文件和一组

undo

撤销数据文件

开启归档

关闭所有

pdb

alter pluggable database all close immediate;

关闭

cdb

shutdown immediate

启动到

mount

startup mount

开启归档

alter database archivelog;

alter system set log_archive_dest_1 = 'locaon=/u01/app/oracle/oracle/arch' scope=sple;

alter system set log_archive_format='%t_%s_%r.arc' scope=sple;

启动到

open

alter database open;

ALTER PLUGGABLE DATABASE ALL OPEN;

备份整个

cdb

容器（包括所有

pdb

）

rman target / #rman

默认连接到

cdb

中

run{

allocate channel ch1 type disk;

allocate channel ch2 type disk;

allocate channel ch3 type disk;

allocate channel ch4 type disk;

backup database format '/home/oracle/backup/full_cdb_db_%U.dbf';

release channel ch1;

release channel ch2;

release channel ch3;

release channel ch4;

}

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