Oracle GoldenGate数据库复制实施案例
最近在论坛里经常会看到有朋友咨询Oracle GG 实施案例的帖子,诚然 GG 目前在各大论坛里的资料都不是很多 很全,尤其是真实实施案
引言:最近在论坛里经常会看到有朋友咨询Oracle GG 实施案例的帖子,诚然 GG 目前在各大论坛里的资料都不是很多 很全,尤其是真实实施案例就更凤毛麟角了,鉴于此我今天就为大家转一份朋友做过的GG实施给大家分享,本次分享的是“相同数据库之间的复制”,话不多说,赶紧上干货。
实验环境:oracle10g+RedHat4+goldengate
一、安装redhat4,安装步骤略
二、安装oracle10g安装步骤略
三、安装goldengate,注意要选对版本
1、源端安装配置
1.1安装goldengate
linux: mkdir /u01/oracle/ggate
cd /u01/oracle/ggate
通过ftp,将goldengate的zip软件上传到/u01/oracle/ggate
unzip解压,,将生成一个tar文件
tar -xvf *.tar
1.2配置.bash_profile
vi .bash_profile
添加:
export LD_LIBRARY_PATH=$ORACLE_HOME/lib:/u01/oracle/ggate
export GGATE_HOME=/u01/oracle/ggate
注意LD_LIBRARY_PATH,那一行,可以在原来安装oracle的基础上添加在后面便可
配置完,运行source ~./bash_profile
1.3创建goldengate目录
cd /u01/oracle/ggate
./ggsci(进入goldengate命令行界面)
Oracle GoldenGate Command Interpreter for Oracle
Version 11.1.1.0.0 Build 078
Linux, x86, 32bit (optimized), Oracle 10 on Jul 28 2010 13:24:18
Copyright (C) 1995, 2010, Oracle and/or its affiliates. All rights reserved
现在在goldengate命令行工作
create subdirs
1.4配置数据库归档模式,进入sql命令行(如果关闭,建议开启)
sqlplus "/as sysdba"
alter system set log_archive_format='%s_%t_%r.log' scope=spfile;
alter system set log_archive_dest_1='location=/u02/oracle/arc';
shutdown immediate;
startup mount;
alter database archivelog;
开启强制日志模式:alter database force logging;
alter database open;
这下可以看一下归档是否已经起来,archive log list
1.5开启minimal supplemental logging
--alter database add supplemental log data;这种设置是许多文档介绍的,但是对于非主键或唯一索引表的会有问题,在测试过程中,发觉update会报错,可能其它地方没搞好!
alter database add supplemental log data(primary key,unique) columns;这是我的配置!
1.6关闭回收站
alter system set recyclebin=off scope=spfile;
1.7配置复制的DDL支持
创建用户授权:
create user ggate identified by ggate default tablespace users temporary tablespace temp quota unlimited on users;
grant connect,resource,dba to ggate;
grant execute on utl_file to ggate;
grant restricted session to ggate;
@$GGATE_HOME/marker_setup.sql;
SCHEMA:GGATE
@$GGATE_HOME/ddl_setup.sql;
这里要看清楚,选择输入,否则会有问题!
@$GGATE_HOME/role_setup.sql;
授予角色权力:
grant GGS_GGSUSER_ROLE to ggate;
@$GGATE_HOME/ddl_enable.sql;
1.8创建源端用户(用于同步的用户)
create user sender identified by ggate default tablespace users temporary tablespace temp quota unlimited on users;
grant dba,connect,resource to ggate;
grant select on v_$session to ggate;

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