1、primary上設(shè)置相關(guān)參數(shù)
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alter system set log_archive_config='dg_config=(orcl,orcla,orclb)' scope=both sid='*';
alter system set log_archive_dest_1='LOCATION=+ARCH/ORCL/ARCHIVELOG valid_for=(all_logfiles,all_roles) db_unique_name=orcl' scope=both sid='*';
alter system set log_archive_dest_2='service=orcla valid_for=(online_logfiles,primary_role) db_unique_name=orcla lgwr async ' scope=both sid='*';
alter system set log_archive_dest_3='service=orclb valid_for=(online_logfiles,primary_role) db_unique_name=orclb lgwr async' scope=both sid='*';
alter system set log_archive_dest_state_2='defer' scope=both sid='*';
alter system set log_archive_dest_state_3='defer' scope=both sid='*';
alter system set log_archive_max_processes=30 sid='*';
alter system set fal_server='orcla,orclb' scope=both sid='*';
alter system set fal_client='orcl' scope=both sid='*';
alter system set standby_file_management='auto';
alter system set db_file_name_convert='+ORADATA','+ORADATA' scope=spfile;
alter system set log_file_name_convert='+ORADATA','+ORADATA' scope=spfile;
2、添加standby redo
alter database add standby logfile thread 1 group 4('/data0/u01/app/oracle/oradata/ora11g/standby_redo04.log') size 50m; alter database add standby logfile thread 1 group 5('/data0/u01/app/oracle/oradata/ora11g/standby_redo05.log') size 50m; alter database add standby logfile thread 1 group 6('/data0/u01/app/oracle/oradata/ora11g/standby_redo06.log') size 50m; alter database add standby logfile thread 1 group 7('/data0/u01/app/oracle/oradata/ora11g/standby_redo07.log') size 50m; - alter database add standby logfile thread 1 group 5 size 50m , group 6 size 50m , group 7 size 50m; alter database add standby logfile thread 2 group 8 size 50m , group 9 size 50m , group 10 size 50m; --
3、備庫
安裝軟件, 配置環(huán)境變量
配置監(jiān)聽文件listener.ora和tnsnames.ora
--注意linstener.ora 中的SID_NAME指定的是$ORACLE_SID
DUPLICATE TARGET DATABASE FOR STANDBY FROM ACTIVE DATABASE DORECOVER SPFILE SET "db_unique_name"="orcla" SET LOG_ARCHIVE_DEST_2="service=orcla ASYNC REGISTER VALID_FOR=(online_logfile,primary_role)" SET FAL_CLIENT="orcla" SET FAL_SERVER="orcl" NOFILENAMECHECK; 針對以上過程,rman會(huì)自動(dòng)拷貝server端的參數(shù)文件到standby端,然后啟動(dòng)到nomount狀態(tài),還原控制文件,并拷貝所有的數(shù)據(jù)文件、臨時(shí)表空間和歸檔日志到備庫。然后進(jìn)行recovery
4、在primary端(standby端均可)登錄rman
rman target sys/oracle@orcl auxiliary sys/oracle@orcla nocatalog duplicate target database for standby from active database nofilenamecheck ALTER DATABASE OPEN READ ONLY; RECOVER MANAGED STANDBY DATABASE USING CURRENT LOGFILE DISCONNECT FROM SESSION; SQL> col DEST_NAME format a30 SQL> col DESTINATION format a30 SQL> SELECT dest_name, status, destination FROM v$archive_dest; 參考--http://www.cnblogs.com/Bccd/p/6362786.html
網(wǎng)站題目:duplicate在線創(chuàng)建物理備庫
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