export GG_HOME
PATH=\$ORACLE_HOME/bin:$GG_HOME:\$PATH
export PATH
LD_LIBRARY_PATH=\$ORACLE_HOME/lib:\$GG_HOME:\$LD_LIBRARY_PATH
export LD_LIBRARY_PATH
EOF
应用刚刚修改的环境变量,然后进入GoldenGate安装目录,执行ldd ggsci,确定需要的库文件都能够找到。如果出现共享库文件无法找到,例如libnnz10.so => not found,检查LD_LIBRARY_PATH环境变量的设置
[goldengate@ggdb goldengate]$?source ~/.bashrc
[goldengate@ggdb goldengate]$?cd $GG_HOME
[goldengate@ggdb goldengate]$?ldd ggsci
我们可以认为ogg的安装其实就是一个解压。非常简单。
创建goldengate工作目录
源端和目标端:
[goldengate@rac1 goldengate]$?cd $GG_HOME
[goldengate@rac1 goldengate]$?./ggsci
GGSCI (rac1) 1>?create subdirs
Creating subdirectories under current directory /opt/gg/goldengate
Parameter files /opt/gg/goldengate/dirprm: created
Report files /opt/gg/goldengate/dirrpt: created
Checkpoint files /opt/gg/goldengate/dirchk: created
……
GGSCI (gg1) 2> exit
源和目标端:
[goldengate@rac1 ~]$?mkdir /opt/gg/trails
[goldengate@rac1 ~]$?ls -l /opt/gg | grep trails
?
源端和目标端:
DYNAMICPORTLIST中配置了GoldenGate(extract和replicat)进程使用的端口范围
PORT参数指定MANAGER使用的端口
AUTORESTART参数使抽取/复制进程失败后自动重启
配置MANAGER的参数,PURGEOLDEXTRACTS参数指定:当根据checkpoint发现已经完成抽取和复制的trail文件将被自动删除,但保留最近10个。
PURGEDDLHISTORY和PURGEMARKERHISTORY分别删除DDL历史表和marker表中的过期数据,以控制它们不会变得过于庞大。
GGSCI (gg1) 1>?edit params mgr
PORT 5898
PURGEOLDEXTRACTS /opt/gg/trails/w1*, USECHECKPOINTS, MINKEEPFILES 10
AUTORESTART ER *, RETRIES 3, WAITMINUTES 5
PURGEDDLHISTORY MINKEEPDAYS 3, MAXKEEPDAYS 5, FREQUENCYMINUTES 30
PURGEMARKERHISTORY MINKEEPDAYS 3, MAXKEEPDAYS 5, FREQUENCYMINUTES 30
源端:
GGSCI (rac1) 2>?edit params ./globals
GGSCHEMA goldengate
目标端:
创建一个checkpoint表
replicat通过这个表来维护trail文件中的read position。这不是个必须的操作,如果没有这个表,则通过一个磁盘文件来维护
GGSCI (ggdb) 2>?dblogin userid goldengate,password goldengate
Successfully logged into database.
GGSCI (ggdb) 3>?add checkpointtable goldengate.chkpoint
Successfully created checkpoint table GOLDENGATE.CHKPOINT.
GGSCI (ggdb) 4>?edit params ./globals
GGSCHEMA goldengate
CHECKPOINTTABLE goldengate.chkpoint