mysql ogg_异构平台mysql-oracle(ogg)安装部署
如圖所示：源端采用Mysql庫，目標端采用Oracle庫
一、OGG安裝配置(源端)
1、OGG下載
※Mysql to Oracle注意事項※
1. Supported data types for mysql
CHAR? ? ? DOUBLE? ? ? TINYTEXT
VARCHAR? ? ? DATE? ? ? MEDIUMTEXT
INT? ? ? TIME? ? ? LONGTEXT
TINYINT? ? ? YEAR? ? ? BLOB
SMALL INT? ? ? DATETIME? ? ? TINYBLOB
MEDIUM INT? ? ? TIMESTAMP? ? ? MEDIUMBLOB
BIG INT? ? ? BINARY? ? ? LONGBLOB
DECIMAL? ? ? VARBINARY? ? ? ENUM
FLOAT? ? ? TEXT? ? ? BIT(M)
2.Oracle GoldenGate supports InnoDB storage engine for a source MySQL database
goldengate對mysql只支持innodb引擎
所以，在創建mysql端的表的時候，要指定表為innodb引擎。
create table test.test2(id int,name varchar(10)) ?engine=innodb;
3.【版本問題】當前for mysql版本的ogg11.2.1.0.1，暫不支持mysql
5.0以下，以及mysql 5.6以上。
4.【配置問題】mysql跟oracle的區別是，mysql是靠各個數據庫來劃分表，而oracle是靠用戶來劃分表，所以在配置以mysql為源端的時候，
mysql端 [table test.test2] test指的是數據庫的名字，但是如果是oracle做源端的時候，test指的就是用戶的名字了，這里有所區分。
二、源端mysql庫配置
創建mysql用戶
*********************************************************************************************
注：創建mysql用戶的目的是要把goldengate安裝到mysql用戶下，
否則當ogg讀取mysql二進制索引文件
[log-bin-index=/var/lib/mysql/binary-log.index]
的時候沒有相關權限。
***********************************************************************************************
創建mysql用戶：
groupadd -g 1000 mysql
useradd -u 1000 -g mysql mysql
passwd mysql
密碼：mysql
掛載鏡像，配置yum源,內容如下:
[myyum]
name=myyum
baseurl=file:///mnt
enabled=1
gpgcheck=1
gpgkey=file:///mnt/RPM-GPG-KEY-CentOS-7
安裝mysql數據庫(root)
安裝mysql：
[root@localhost lib]# yum install -y mariadb*
已加載插件：fastestmirror, langpacks
Loading mirror speeds from cached hostfile
正在解決依賴關系
--> 正在檢查事務
---> 軟件包 mariadb.x86_64.1.5.5.60-1.el7_5 將被 安裝
---> 軟件包 mariadb-bench.x86_64.1.5.5.60-1.el7_5 將被 安裝
---> 軟件包 mariadb-devel.x86_64.1.5.5.60-1.el7_5 將被 安裝
---> 軟件包 mariadb-libs.x86_64.1.5.5.60-1.el7_5 將被 安裝
---> 軟件包 mariadb-server.x86_64.1.5.5.60-1.el7_5 將被 安裝
--> 正在處理依賴關系 perl-DBD-MySQL，它被軟件包 1:mariadb-server-5.5.60-1.el7_5.x86_64 需要
---> 軟件包 mariadb-test.x86_64.1.5.5.60-1.el7_5 將被 安裝
--> 正在檢查事務
---> 軟件包 perl-DBD-MySQL.x86_64.0.4.023-6.el7 將被 安裝
--> 解決依賴關系完成
…………………………………………………………………
…………………………………….省略
已安裝:
mariadb.x86_64
1:5.5.60-1.el7_5
mariadb-bench.x86_64 1:5.5.60-1.el7_5
mariadb-devel.x86_64
1:5.5.60-1.el7_5?? mariadb-libs.x86_64
1:5.5.60-1.el7_5
mariadb-server.x86_64
1:5.5.60-1.el7_5? mariadb-test.x86_64
1:5.5.60-1.el7_5
作為依賴被安裝:
perl-DBD-MySQL.x86_64
0:4.023-6.el7
完畢！
設置root用戶登錄密碼：
[root@localhost lib]# /usr/bin/mysqladmin -u root -h localhost -s
var/lib/mysql/mysql.sock password '123'
拷貝初始參數文件/etc下：
[root@mysql2 ~]# cp /usr/share/mysql/my-medium.cnf /etc/my.cnf
配置參數文件，并開啟二進制日志，日志模式為row：
[root@mysql2 ~]#vi /etc/my.cnf
# Replication Master Server (default)
# binary logging is required for replication
#log-bin=mysql-bin
log-bin-index=/var/lib/mysql/bin-log.index
# binary logging format – mixed recommended
binlog_format=row
啟動mysql：
查看設置的參數是否生效：
MariaDB [(none)]> show variables like 'log_bin';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| log_bin?????? | ON??? |
+---------------+-------+
1 row in set (0.00 sec)
創建即將同步的表：
查看test2表的屬性：
3.安裝mysql版本的goldengate
用mysql用戶安裝ogg：
設置環境變量：
vi .bash_profile
export PATH=/home/mysql/ggs
export LD_LIBRARY_PATH=/home/mysql/ggs
變量生效：
Source? . bash_profile
創建安裝目錄
su - mysql
cd /home/mysql
mkdir ggs
安裝ogg：
[root@localhost mysql]# cp /goldengate/ggs_Linux_x64_MySQL_64bit.tar
/home/oracle/ggs
mysql@mysql2
ggs]$ tar -xvf ggs_Linux_x64_MySQL_64bit.tar
[mysql@mysql2 ggs]$ ./ggsci
GGSCI
(mysql2) 1> create subdirs
GGSCI (mysql2) 2>dblogin sourcedb test@localhost:3306, userid
root,password?123
如果報錯：
2013-08-14 19:53:41WARNING OGG-00769MySQL Login failed: . SQL error (2002). Can’t connect to local
MySQL server through socket ‘/tmp/mysql.sock’ (2).
ERROR: Failed to connect to MySQL database engine for HOST localhost, DATABASE
test, USER root, PORT 3306.
解決辦法:
root and mysql user add follow line into .bash_profile
export MYSQL_UNIX_PORT=/var/lib/mysql/mysql.sock
source .bash_profile
GGSCI?(ogg)?2>?dblogin?sourcedb?test@localhost:3306,userid?root,password?123
Successfully?logged?into?database.
配置mgr：
GGSCI?(ogg)?3>?edit?param?mgr
port?7810
dynamicportlist?7800-8000
autorestart?extract?*,waitminutes?2,resetminutes?5
GGSCI?(ogg)?4>?start?mgr
Manager?started.
GGSCI?(ogg)?5>?info?mgr
Manager?is?running?(IP?port?ogg.7810).
GGSCI?(ogg)?6>?info?all
Program???Status???Group??Lag?at?Chkpt??Time?Since?Chkpt
MANAGER??? RUNNING
配置extract進程組：
GGSCI?(ogg)?7>?edit?param?ext_1
extract?ext_1
setenv?(MYSQL_HOME=”/var/lib/mysql”)
tranlogoptions?altlogdest?/var/lib/mysql/log-bin.index
sourcedb?test@localhost:3306,userid?root,password?123
exttrail?./dirdat/e2
dynamicresolution
gettruncates
table?test.test2;
GGSCI?(ogg)?11>?add?extract?ext_1,tranlog,begin?now
EXTRACT?added.
GGSCI?(ogg)?12>?add?exttrail?./dirdat/e2,extract?ext_1
EXTTRAIL?added.
配置pump進程組：
GGSCI?(ogg)?13>?edit?params?pump_1
extract?pump_1
rmthost?192.168.1.13,mgrport?7810
rmttrail?/goldengate/dirdat/e2
passthru
gettruncates
table?test.test2;
GGSCI?(ogg)?14>?add?extract?pump_1,exttrailsource?./dirdat/e2
EXTRACT?added.
GGSCI?(ogg)?15>?add?rmttrail??/goldengate/dirdat/e2,extract?pump_1
RMTTRAIL?added.
異構平臺配置defgen：
GGSCI?(ogg)?16>?edit?params?defgen
defsfile? ./dirdef/defgen.prm
sourcedb?test@localhost:3306,?userid?root,password?123
table?test.test2;
[oracle@ogg?ogg_ms]$?./defgen?paramfile?dirprm/defgen.prm
***********************************************************************
Oracle?GoldenGate?Table?Definition?Generator?for?MySQL
Version?11.2.1.0.1?OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230
Linux,?x86,?32bit?(optimized),?MySQL?Enterprise?on?Apr?23?2012?04:59:19
Copyright?(C)?1995,?2012,?Oracle?and/or?its?affiliates.?All?rights?reserved.
Starting?at?2014-09-26?16:01:05
***********************************************************************
Operating?System?Version:
Linux
Version?#1?SMP?Wed?Sep?1?01:26:34?EDT?2010,?Release?2.6.32-71.el6.i686
Node:?ogg
Machine:?i686
soft?limit???hard?limit
Address?Space?Size???:????unlimited????unlimited
Heap?Size????????????:????unlimited????unlimited
File?Size????????????:????unlimited????unlimited
CPU?Time?????????????:????unlimited????unlimited
Process?id:?2606
***********************************************************************
**????????????Running?with?the?following?parameters??????????????????**
***********************************************************************
defsfile?/u01/ogg_ms/dirdef/defgen.prm
sourcedb?test@localhost:3306,?userid?root,password?******
table?test.test2;
Retrieving?definition?for?test.test2
Definitions?generated?for?1?table?in?/u01/ogg_ms/dirdef/defgen.prm
傳送defgen文件到目標端：
[oracle@ogg?ogg_ms]$?scp?dirdef/defgen.prm?oracle@192.168.1.13:/goldengate/dirdef
GGSCI?(ogg)?5>?info?all
Program?????Status??????Group???????Lag?at?Chkpt??Time?Since?Chkpt
MANAGER?????RUNNING
EXTRACT?????ABENDED?????EXT_1???????00:00:00??????00:21:03
EXTRACT?????RUNNING?????PUMP_1??????00:00:00??????00:00:06
啟動extract和pump進程：
GGSCI?(ogg)?6>?start?extract?ext_1
Sending?START?request?to?MANAGER?...
EXTRACT?EXT_1?starting
GGSCI?(ogg)?7>?info?all
Program?????Status??????Group???????Lag?at?Chkpt??Time?Since?Chkpt
MANAGER?????RUNNING
EXTRACT?????RUNNING?????EXT_1???????00:00:00??????00:21:17
EXTRACT?????RUNNING?????PUMP_1??????00:00:00??????00:00:09
以下是容易出現的故障，原因是mysql版本不支持row
extract進程啟動異常(abended)！
查看日志：
GGSCI (ogg) 36> view ggsevt
2014-09-26 17:24:56 ?INFO
OGG-01053 ?Oracle GoldenGate Capture for MySQL, ext_1.prm:
Recovery completed for target file ./dirdat/e20
00026, at RBA 961.
2014-09-26 17:24:56 ?INFO
OGG-01057 ?Oracle GoldenGate Capture for MySQL, ext_1.prm:
Recovery completed for all targets.
2014-09-26 17:24:56 ?INFO
OGG-00182 ?Oracle GoldenGate Capture for MySQL, ext_1.prm: ?VAM
API running in single-threaded mode.
2014-09-26 17:24:56 ?INFO
OGG-01515 ?Oracle GoldenGate Capture for MySQL, ext_1.prm:
Positioning to begin time Sep 26, 2014 3:52:01
PM.
2014-09-26 17:24:56 ?ERROR
OGG-00146 ?Oracle GoldenGate Capture for MySQL, ext_1.prm: ?VAM
function VAMInitialize returned unexpected
result: error 600 - VAM Client Report
PATH/EXISTENCE/PERMISSI
ONS - /var/lib/mysql/mysql-bin.index
WHEN FAILED : While initializing binary log
configuration
WHERE FAILED : MySQLBinLog Reader Module
CONTEXT OF FAILURE : No Information
Available!>.
2014-09-26 17:24:56 ?ERROR
OGG-01668 ?Oracle GoldenGate Capture for MySQL, ext_1.prm: ?PROCESS
ABENDING.
四、目標端ogg配置
配置MGR
GGSCI?(rh6.cuug.net)?4>?edit?params?mgr
port?7810
dynamicportlist?7800-8000
autorestart?extract?*,waitminutes?2,resetminutes?5
~
GGSCI?(rh6.cuug.net)?5>?start?mgr
Manager?started.
GGSCI?(rh6.cuug.net)?6>?info?mgr
Manager?is?running?(IP?port?rh6.cuug.net.7810).
配置replicat進程組：
[oracle@rh6?ogg]$?./ggsci
Oracle?GoldenGate?Command?Interpreter?for?Oracle
Version?11.2.1.0.1?OGGCORE_11.2.1.0.1_PLATFORMS_120423.0230_FBO
Linux,?x86,?32bit?(optimized),?Oracle?11g?on?Apr?23?2012?08:09:25
Copyright?(C)?1995,?2012,?Oracle?and/or?its?affiliates.?All?rights?reserved.
GGSCI?(rh6.cuug.net)?1>
GGSCI?(rh6.cuug.net)?1>?edit?param?rep_1
replicat?rep_1
sourcedefs?./dirdef/defgen.prm
userid?goldengate,password?goldengate
reperror?default,discard
discardfile?./dirrpt/rep_1.dsc,append,megabytes?50
dynamicresolution
gettruncates
map?test.test2,?target?test.test3;
GGSCI?(rh6.cuug.net)?1>add?replicat?rep_1,exttrail?./dirdat/e2
REPLICAT?added.
啟動mgr和replicat進程：
GGSCI?(rh6.cuug.net)?3>?start?mgr
Manager?started.
GGSCI?(rh6.cuug.net)?4>?info?all
Program?????Status????Group???Lag?at?Chkpt??Time?Since?Chkpt
MANAGER?????RUNNING
REPLICAT????STOPPED?????REP_1???00:00:00??????00:00:34
GGSCI?(rh6.cuug.net)?5>?start?replicat?rep_1
Sending?START?request?to?MANAGER?...
REPLICAT?REP_1?starting
GGSCI?(rh6.cuug.net)?6>?info?all
Program?????Status??????Group???????Lag?at?Chkpt??Time?Since?Chkpt
MANAGER????RUNNING
REPLICAT????RUNNING?????REP_1???????00:00:00??????00:00:00
五．進行dml測試
可以分別用不同的用戶對源端mysql數據庫中 test庫下的test2表進行insert、delete、update測試。
查看目標端oracle數據庫下的itpux用戶下的test3表是否同步成功。
源端insert：
目標端：
源端update:
目標端：
源端truncate(抽取，復制進程添加“gettruncates”參數)
目標端：
測試完畢。
總結
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