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实例主机：
dbasky=192.168.1.120
dbaskyback=192.168.1.121
目的：dbaskyback的主机去同步dbasky主机test库上的数据
安装mysql
[root@dbasky]#wget ftp://ftp.cronyx.ru/pub/freebsd/ports/distfiles/mysql-5.0.45.tar.gz
[root@dbasky]#cd /usr/local/mysql-5.0.45
[root@dbasky]#groupadd mysql
[root@dbasky]#useradd -g mysql mysql
[root@dbasky]#mkdir /opt/mysql-data
[root@dbasky]#cflags=-o3 cxx=gcc cxxflags=-o3 -felide-constructors
 -fno-exceptions -fno-rtti ./configure             --prefix=/usr/local/mysql --enable-assembler             --with-charset=utf8             --with-extra-charsets=gbk,gb2312,latin1             --localstatedir=/opt/mysql-data             --with-mysqld-user=mysql --enable-large-files --with-big-tables             --without-debug --enable-thread-safe-client             --with-fast-mutexes             --with-innodb
[root@dbasky]#make
[root@dbasky]#make install
[root@dbasky]#cd /etc
[root@dbasky]#rz my.cnf
[root@dbasky]#chown -r mysql .
[root@dbasky]#chgrp -r mysql .
[root@dbasky]#chown -r mysql /opt/mysql-data
[root@dbasky]#chgrp -r mysql /opt/mysql-data
[root@dbasky]#bin/mysql_install_db --user=mysql
[root@dbasky]#chown -r root .
[root@dbasky]#bin/mysqld_safe --user=mysql &
[root@dbasky]#cd  /usr/local/mysql
[root@dbasky]#echo path=/usr/local/mysql/bin:$path >> /etc/profile
[root@dbasky]#echo export path >> /etc/profile
[root@dbasky]#echo alias vi=vim >> /etc/profile
[root@dbasky]#echo /usr/local/mysql/lib/mysql > /etc/ld.so.conf.d/mysql.conf
在dbasky机器上
建立用户
mysql>create database test;
mysql>grant all on *.* to xu@192.168.1.121 identified by 123456;
     [root@dbasky]#vi /etc/my.cnf
     server-id=1 #为master
     log-bin=/var/log/mysql/mysql.log
添加
    binlog-do-db=test #要同步的数据库名字
重新启动mysql
用 mysql>show master status 查看
在dbaskyback机器上
dbaskyback#vi /etc/my.cnf
server-id=2 #为slave
master-host=192.168.1.120
master-user=xu
master-password=123456
master-port=3306
master-connect-retry=60 #间隔60秒重新设置
replicate-do-db=test
用mysql>show slave status 看同步情况，如果有错误也可以看得出来.
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