DataGuard搭建

1、环境说明：

主库：Oracle11g，rac+asm

备库：Oracle11g单机

2、主库参数配置：

*.log_archive_config='dg_config=(rac-pri,std)'
*.log_archive_dest_1='location=+DATADG/arch'
*.log_archive_dest_2='service=std valid_for=(online_logfiles,primary_role) db_unique_name=std'
*.log_archive_dest_state_2='ENABLE'
*.db_file_name_convert='/u01/std/','+DATADG/rac-pri/datafile/'
*.log_file_name_convert='/u01/std/','+DATADG/rac-pri/onlinelog/'
*.standby_file_management='auto'
*.fal_client='rac-pri1'
*.fal_server='std'

备库参数配置：

*.db_unique_name='std'
*.fal_client='std'
*.fal_server='rac-pri1'
*.log_archive_config='dg_config=(rac-pri,std)'
*.log_archive_dest_1='location=/arch'
*.log_archive_dest_2='service=rac-pri1 valid_for=(online_logfiles,primary_role) db_unique_name=rac-pri'
*.log_archive_dest_state_1='enable'
*.log_archive_dest_state_2='ENABLE'
*.db_file_name_convert='+DATADG/rac-pri/datafile/','/u01/std/','+DATADG/rac-pri/tempfile/','/u01/std/'
*.log_file_name_convert='+DATADG/rac-pri/onlinelog/','/u01/std/'
*.standby_file_management='auto'

3、创建密码文件（主库操作）

orapwd file=$ORACLE_HOME/dbs/orapwrac-pri1 password=sys123 force=y

4、将主库的密码文件copy给备库，并重命名

scp oracle@192,。168.10.17:/u01/app/oracle/product/11.2.0/db/dbs/orapwrac-pri1 .

5、创建standby redolog日志组（主库操作）

alter database add standby logfile thread 1 group 5 '+DATADG' size 100m;
alter database add standby logfile thread 1 group 6 '+DATADG' size 100m;
alter database add standby logfile thread 1 group 7 '+DATADG' size 100m;
alter database add standby logfile thread 2 group 8 '+DATADG' size 100m;
alter database add standby logfile thread 2 group 9 '+DATADG' size 100m;
alter database add standby logfile thread 2 group 10 '+DATADG' size 100m;

6、主库改为归档模式（主库操作）

alter database archivelog

7、改为force logging模式（主库操作）

alter database force logging

8、配置监听（主库操作）

rac-pri1

LISTENERPRI =(DESCRIPTION_LIST =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.71)(PORT = 1522))(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))))SID_LIST_LISTENERPRI =(SID_LIST =(SID_DESC =(ORACLE_HOME = /u01/app/oracle/product/11.2.0/db)(SERVICE_NAME = zmkj)(SID_NAME = rac-pri1)))

rac-pri2

LISTENERPRI =
(DESCRIPTION_LIST =
(DESCRIPTION =
(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.72)(PORT = 1522))
(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))
)
)

SID_LIST_LISTENERPRI =
(SID_LIST =
(SID_DESC =
(ORACLE_HOME = /u01/app/oracle/product/11.2.0/db)
(SERVICE_NAME = zmkj)
(SID_NAME = rac-pri2)
)
)

9、

配置监听（备库操作）

LISTENERSTD =(DESCRIPTION_LIST =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.17)(PORT = 1522))(ADDRESS = (PROTOCOL = IPC)(KEY = EXTPROC1521))))SID_LIST_LISTENERSTD =(SID_LIST =(SID_DESC =(ORACLE_HOME = /u01/app/oracle/product/11.2.0/db)(SID_NAME = rac-pri1)))

10、编辑tnsnames.ora文件，此时，tnspng通（主备库操作）

rac-pri1 =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.71)(PORT = 1522))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = rac-pri)))rac-pri2 =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.72)(PORT = 1522))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = rac-pri)))std =(DESCRIPTION =(ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.10.17)(PORT = 1522))(CONNECT_DATA =(SERVER = DEDICATED)(SERVICE_NAME = rac-pri1)))

11、利用RMAN在备库上恢复主库（备库操作）

rman target sys/sys123@zmkj1 auxiliary sys/sys123@std
duplicate target database for standby from active database;

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