简单配置Oracle10g DataGuard物理备库
2011-08-04 17:46
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primary主库
IP:192.168.50.4/24
dbname:ora10g
数据库版本:10g R2
操作系统版本:rhel6.0 64位
standby物理备库
IP:192.168.50.230/24
dbname:ora10g
数据库版本:10g R2
操作系统版本:rhel5.4 64位
一:配置Oracle网络,主库和备库两边都需要配置
二:主库端配置,修改初始化参数,生成备库的控制文件
关闭主库
三:备库端配置
四:测试
本文出自 “斩月” 博客,谢绝转载!
IP:192.168.50.4/24
dbname:ora10g
数据库版本:10g R2
操作系统版本:rhel6.0 64位
standby物理备库
IP:192.168.50.230/24
dbname:ora10g
数据库版本:10g R2
操作系统版本:rhel5.4 64位
一:配置Oracle网络,主库和备库两边都需要配置
[oracle@rhel6 ~]$ vi /u01/app/oracle/network/admin/tnsnames.ora PRIMARY = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.50.4)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ora10g.766.com) ) ) STANDBY = (DESCRIPTION = (ADDRESS = (PROTOCOL = TCP)(HOST = 192.168.50.230)(PORT = 1521)) (CONNECT_DATA = (SERVER = DEDICATED) (SERVICE_NAME = ora10g.766.com) ) )
二:主库端配置,修改初始化参数,生成备库的控制文件
SQL> alter database force logging; Database altered. SQL> select force_logging from v$database; FORCE_LOG --------- YES SQL> create pfile='/home/oracle/initora10g.ora' from spfile; File created. 文件末尾处添加 log_archive_dest_1='LOCATION=/u01/arch/' log_archive_dest_state_1=enable log_archive_dest_2='SERVICE=standby' log_archive_dest_state_2=enable log_archive_format='%t_%s_%r.arc' log_archive_max_processes=2 fal_server=standby fal_client=primary db_unique_name=ora10g SQL> alter database create standby controlfile as '/u01/app/oradata/ora10g/standby.ctl'; Database altered.
关闭主库
SQL> shutdown immediate; Database closed. Database dismounted. ORACLE instance shut down.
三:备库端配置
[oracle@localhost ~]$ scp -rvp 192.168.50.4:/u01/app/oradata/ora10g /u01/app/oradata [oracle@localhost ~]$ scp 192.168.50.4:/home/oracle/initora10g.ora /u01/app/oracle/dbs/ 修改参数内容如下: log_archive_dest_1='LOCATION=/u01/arch/' log_archive_dest_state_1=enable log_archive_dest_2='SERVICE=primary' log_archive_dest_state_2=enable log_archive_format='%t_%s_%r.arc' log_archive_max_processes=2 fal_server=primary fal_client=standby db_unique_name=ora10g 创建相关目录和文件 [oracle@localhost ~]$ mkdir /u01/arch/ [oracle@localhost ~]$ mkdir -p /u01/app/admin/ora10g/{adump,bdump,cdump,udump} [oracle@localhost ~]$ cd /u01/app/oradata/ora10g/ [oracle@localhost ora10g]$ mv standby.ctl control01.ctl [oracle@localhost ora10g]$ cp control01.ctl control02.ctl [oracle@localhost ora10g]$ cp control01.ctl control03.ctl [oracle@localhost ~]$ orapwd file=$ORACLE_HOME/dbs/orapwora10g password=123456 entries=5
四:测试
启动主库: Connected to an idle instance. SQL> create spfile from pfile='/home/oracle/initora10g.ora'; File created. SQL> startup SQL> select name,database_role from v$database; NAME DATABASE_ROLE --------------------------- ------------------ ORA10G PRIMARY 启动备库: [oracle@localhost ~]$ sqlplus /nolog SQL*Plus: Release 10.2.0.1.0 - Production on Thu Aug 4 16:49:39 2011 Copyright (c) 1982, 2005, Oracle. All rights reserved. SQL> conn /as sysdba Connected to an idle instance. SQL> create spfile from pfile; File created. SQL> startup nomount; ORACLE instance started. Total System Global Area 629145600 bytes Fixed Size 2022824 bytes Variable Size 180355672 bytes Database Buffers 440401920 bytes Redo Buffers 6365184 bytes SQL> alter database mount standby database; SQL> select name,database_role from v$database; NAME DATABASE_ROLE --------------------------- ---------------------- ORA10G PHYSICAL STANDBY SQL> alter database recover managed standby database disconnect from session; Database altered. 主库上新建表,切换在线日志组测试: SQL> create table hr.dg01 as select * from dba_source; Table created. SQL> alter system switch logfile; System altered. SQL> / System altered. SQL> / System altered. 备库: SQL> select sequence#,first_time,next_time,applied from v$archived_log; SEQUENCE# FIRST_TIME NEXT_TIME APPLIED ---------- ------------------- ------------------- --------- 91 2011-08-04-14:38:52 2011-08-04-14:41:21 YES 92 2011-08-04-14:41:21 2011-08-04-15:13:44 YES 93 2011-08-04-15:13:44 2011-08-04-15:15:07 YES 94 2011-08-04-15:15:07 2011-08-04-15:42:58 YES 95 2011-08-04-15:42:58 2011-08-04-16:55:53 YES 96 2011-08-04-16:55:53 2011-08-04-16:56:11 YES 97 2011-08-04-16:56:11 2011-08-04-16:56:18 YES 98 2011-08-04-16:56:18 2011-08-04-16:56:33 YES 8 rows selected. 将备库置为只读状态,验证数据: SQL> alter database recover managed standby database cancel; Database altered. SQL> alter database open read only; Database altered. SQL> select count(*) from hr.dg01; COUNT(*) ---------- 323203 重新将备库置为应用redo log状态 SQL> alter database recover managed standby database disconnect from session; Database altered.
本文出自 “斩月” 博客,谢绝转载!
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