一.配置信息:
主机 | 192.168.3.200 | 192.168.3.201 |
MySQL版本 | Server version: 5.6.39-log MySQL Community Server (GPL) | Server version: 5.6.39-log MySQL Community Server (GPL) |
MYSQL_HS目录 | /mysql_hs/dmhs/SOURCE | /mysql_hs/dmhs/DEST |
操作系统版本 | Red Hat Enterprise Linux Server release 6.9 (Santiago) | Red Hat Enterprise Linux Server release 6.9 (Santiago) |
二.部署前准备(两节点都需要)
1.首先准备两台mysql数据库(如表格所示)
2.设置数据库本地环境变量
[root@oracle ~]# cat /etc/profile|grep LD_LIBRARY_PATH
export LD_LIBRARY_PATH=$LD_LIBRARY_PATH:/usr/lib64
[root@oracle ~]# source /etc/profile)3.安装ODBC(2.3.0 两个服务器都需要)
链接:https://pan.baidu.com/s/1KOWhBOTjYkrTVTZAeYnjBw 提取码:obvx
安装步奏如下:
1)安装ODBC
[root@oracle ODBC]# tar -zxvf unixODBC-2.3.0.tar.gz
[root@oracle ODBC]# cd unixODBC-2.3.0
[root@oracle unixODBC-2.3.0]# export CC=gcc
#######当服务器系统为UNIX/LINUX 64bits时,在./configure之前需执行
[root@oracle unixODBC-2.3.0]# export CFLAGS="-maix64 -DBUILD_REAL_64_BIT_MODE"
[root@oracle unixODBC-2.3.0]# export OBJECT_MODE=64
[root@oracle unixODBC-2.3.0]# ./configure --enable-drivers=no --with-iconv-char-enc=GB18030 --enable-gui=no --enable-iconv=yes
[root@oracle unixODBC-2.3.0]# make
[root@oracle unixODBC-2.3.0]# make install2)查看odbc配置文件
[root@oracle unixODBC-2.3.0]# odbcinst -j
unixODBC 2.3.0
DRIVERS............: /usr/local/etc/odbcinst.ini
SYSTEM DATA SOURCES: /usr/local/etc/odbc.ini
FILE DATA SOURCES..: /usr/local/etc/ODBCDataSources
USER DATA SOURCES..: /root/.odbc.ini
SQLULEN Size.......: 8
SQLLEN Size........: 8
SQLSETPOSIROW Size.: 83)配置ODBC相关配置文件
[root@oracle unixODBC-2.3.0]# cat /usr/local/etc/odbcinst.ini
#Oracle配置源(此处不需要)
[Oracle in OraDb11g_home1]
Description=Oracle ODBC driver for Oracle 11g
Driver=/u01/app/oracle/product/11.2.0.4/db_1/lib/.11.1
Threading=0
UsageCount=2
#mysql配置源
[MySQL ODBC 5.1 Driver]
Driver=/usr/lib64/
UsageCount=2[root@oracle unixODBC-2.3.0]# cat /usr/local/etc/odbc.ini
#Oracle配置源(此处不需要)
[ORACLE]
Description=ORACLE ODBC DSN
Driver=Oracle in OraDb11g_home1
SERVER=192.168.3.200
UserID=system
Password=oracle
name=oracle
PORT=1521
#mysql配置源
[mysql]
Driver=MySQL ODBC 5.1 Driver
DATABASE=mysql
DESCRIPTION=MYSQL ODBC 5.1 DRIVER
SERVER=127.0.0.1
UID=root
PASSWORD=root4.安装mysql connect odbc
1)安装包链接如下:
链接:https://pan.baidu.com/s/15fV7FFGq-xGOstqfl_LWjQ 提取码:opwv
2)安装命令
[root@oracle mysql_kit]# rpm -ivh mysql-connector-odbc-5.1.13-1.el6.x86_64.rpm --nodeps --noforce3)验证通过ODBC是否可以连接数据库
[root@oracle ~]# isql -v mysql root root
+---------------------------------------+
| Connected! |
| |
| sql-statement |
| help [tablename] |
| quit |
| |
+---------------------------------------+
SQL> show databases
SQL> use HSTEST
SQL> show tables5.修改mysql binlog及binlog format
1)原因分析:
DMHS通过分析MYSQL 数据库的binlog日志来捕获数据库的增量数据,DMHS运行之前,必须将数据库binlog打开,同时将binlog format设置为row模式。修改的参数均涉及数据库初始过程,修改参数后,需重启生效。如需操作,需确认工作环境能停机维护。
2)具体操作过程如下:
[root@oracle ~]# find / -name my.cnf
[root@oracle ~]# vi /usr/my.cnf
log-bin=mysql-bin
binlog_format=row
max_allowed_packet=100M
[root@oracle ~]# service mysql restart
[root@oracle ~]# mysql -uroot -vroot
mysql> show variables like 'log_bin';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| log_bin | ON |
+---------------+-------+
1 row in set (0.00 sec)
mysql> show variables like 'binlog_format';
+---------------+-------+
| Variable_name | Value |
+---------------+-------+
| binlog_format | ROW |
+---------------+-------+
1 row in set (0.00 sec)三.部署DMHS同步软件(两节点都需要操作)
[root@oracle DM_SOFT]# chmod 775 dmhs_V4.0.0_mysql_rev86685_rh6_64_veri_20190709.bin
[root@oracle DM_SOFT]#./dmhs_V4.0.0_mysql_rev86685_rh6_64_veri_20190709.bin -i
##安装过程根据实际需要进行修改##
[root@oracle DM_SOFT]# cd /mysql_hs/dmhs/
[root@oracle dmhs]# ls
bin bin2 db desktop doc guard include install jdk lib license_en.txt license.txt log samples scripts SOURCE tool
[root@oracle dmhs]#------------------------------------------------------------------------------备注------------------------------------------------------------------------------
-1-目前HS只能支持满足以下表达式的 SQL的ddl同步:
-2-同时需要注意主键和约束
DMHS 同步过程中,需将将执行端 MYSQL 表中的外键禁用,否则,在对外键引用表进行更新时,可能会引起执行端 MYSQL数据库操作错误。
DMHS 同步过程中,需将执行端 MYSQL 中的存在 DML 操作的触发器禁用,否则在同步过程中,会对触发器操作的表进行二次操作,导致同步结果错误。
四.创建配置文件dmhs.hs
1.节点一(192.168.3.201)的配置文件dmhs.hs内容:
<?xml version="1.0" encoding="GB2312" standalone="no"?>
<dmhs>
<base>
<lang>ch</lang>
<mgr_port>6345</mgr_port>
<ckpt_interval>45</ckpt_interval>
<siteid>2</siteid>
<version>2.0</version>
</base>
<cpt>
<name>cpt0</name>
<db_type>mysql</db_type>
<db_server>127.0.0.1</db_server>
<db_user>root</db_user>
<db_pwd>root</db_pwd>
<db_port>3306</db_port>
<db_name>HSTEST</db_name>
<ddl_mask>op:obj</ddl_mask>
<arch>
<clear_flag>0</clear_flag>
<clear_interval>600</clear_interval>
</arch>
<send>
<ip>192.168.3.200</ip>
<mgr_port>5345</mgr_port>
<data_port>5346</data_port>
<filter>
<enable>
<item>HSTEST.*</item>
</enable>
</filter>
</send>
<jdbc from_password="root" from_type="mysql" from_url="jdbc:mysql://192.168.3.201:3306/HSTEST" from_user="root" to_password="root" to_type="mysql" to_url="jdbc:mysql://192.168.3.200:3306/HSTEST" to_user="root"/>
</cpt>
<exec>
<recv>
<mgr_port>6345</mgr_port>
<data_port>6346</data_port>
</recv>
<enable>1</enable>
<db_type>mysql</db_type>
<db_server>127.0.0.1</db_server>
<db_user>root</db_user>
<db_pwd>root</db_pwd>
<db_port>3306</db_port>
<db_name>HSTEST</db_name>
<level>0</level>
<exec_policy>2</exec_policy>
</exec>
</dmhs>2.节点二(192.168.3.200)的配置文件dmhs.hs内容:
<?xml version="1.0" encoding="GB2312" standalone="no"?>
<dmhs>
<base>
<lang>ch</lang>
<mgr_port>5345</mgr_port>
<ckpt_interval>45</ckpt_interval>
<siteid>1</siteid>
<version>2.0</version>
</base>
<cpt>
<enable>1</enable>
<name>cpt0</name>
<db_type>mysql</db_type>
<db_server>127.0.0.1</db_server>
<db_user>root</db_user>
<db_pwd>root</db_pwd>
<db_port>3306</db_port>
<db_name>HSTEST</db_name>
<ddl_mask>op:obj</ddl_mask>
<arch>
<clear_flag>0</clear_flag>
<clear_interval>600</clear_interval>
</arch>
<send>
<ip>192.168.3.201</ip>
<mgr_port>6345</mgr_port>
<data_port>6346</data_port>
<filter>
<enable>
<item>HSTEST.*</item>
</enable>
</filter>
</send>
<jdbc from_password="root" from_type="mysql" from_url="jdbc:mysql://192.168.3.200:3306/HSTEST" from_user="root" to_password="root" to_type="mysql" to_url="jdbc:mysql://192.168.3.201:3306/HSTEST" to_user="root"/>
</cpt>
<exec>
<recv>
<mgr_port>5345</mgr_port>
<data_port>5346</data_port>
</recv>
<enable>1</enable>
<db_type>mysql</db_type>
<db_server>127.0.0.1</db_server>
<db_user>root</db_user>
<db_pwd>root</db_pwd>
<db_port>3306</db_port>
<db_name>HSTEST</db_name>
<level>0</level>
<exec_policy>2</exec_policy>
</exec>
</dmhs>五.初始化装载
1.节点一192.168.3.200,首先连接并启动exec:
connect 192.168.3.200:5345
start exec2.节点二192.168.3.201,连接并启动exec:
connect 192.168.3.201:6345
start exec3.节点一192.168.3.200,清lsn号并装载字典:
connect 192.168.3.200:5345
clear exec lsn
copy 0 "='HSTEST'" DICT|REG4.节点二192.168.3.201,清lsn号并装载字典:
connect 192.168.3.201:5345
clear exec lsn
copy 0 "='HSTEST'" DICT|REG5.节点一192.168.3.200启动cpt
connect 192.168.3.200:5345
start cpt6.节点二192.168.3.201启动cpt
connect 192.168.3.201:5345
start cpt六.数据验证
1.在192.168.3.200创建表test1,看192.168.3.201是否存在该表,成功后进行下一步。
2.成功后在192.168.3.201的test1表插入数据,看192.168.3.200是否存在刚插入的这条数据。
















