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<p><FONT class=normalfont><B><font color=blue>MYSQL的master/slave数据同步配置</font></B></FONT><BR><FONT class=smallfont color=#ff9900>2004-04-23 15:18 pm</FONT><BR><FONT class=normalfont>作者：张微波<br>来自：Linux知识宝库<br>联系方式：无名<br><br>版权声明：可以任意转载，转载时请务必以超链接形式标明文章原始出处和作者信息及本声明<br>
<br>
http://www.5ilinux.com/mysql01.html<br>
<br>
<br>
MYSQL的master/slave数据同步配置<br>
<br>
我的测试环境.基本上数据是瞬间同步，希望对大家有帮助<br>
<br>
redhat 9.0<br>
mysql3.23.57<br>
<br>
<br>
mysql数据同步备份<br>
<br>
A服务器： 192.168.1.2 主服务器master<br>
B服务器： 192.168.1.3 副服务器slave<br>
<br>
<br>
A服务器设置<br>
<br>
#mysql –u root –p<br>
mysql>GRANT FILE ON *.* TO backup@192.168.1.3 IDENTIFIED BY ‘1234’;<br>
mysql>exit<br>
<br>
上面是Master开放一个账号backup密码1234给IP:192.168.1.3有档案处理的权限<br>
<br>
<br>
mysqladmin –u root –p shutdown<br>
<br>
备份Master所有数据库..通常都用tar指令.<br>
#tar –cvf /tmp/mysql.tar /var/lib/mysql<br>
注意:tar的时候,MySQL是要在stop情况下<br>
<br>
在A机器上修改/etc/my.cnf<br>
在[mysqld]区段内加入参数<br>
log-bin<br>
server-id=1<br>
sql-bin-update-same<br>
binlog-do-db=vbb<br>
<br>
重启A服务器mysql<br>
<br>
此时因为有加入log-bin参数,因此开始有index产生了,在/var/lib/mysql目录下有.index档案纪录数据库的异动log.<br>
<br>
<br>
B服务器设置<br>
<br>
设定/etc/my.cnf<br>
在[mysqld]区段加入<br>
<br>
master-host=192.168.1.2<br>
master-user=backup<br>
master-password=1234<br>
master-port=3306<br>
server-id=2<br>
master-connect-retry=60 预设重试间隔60秒<br>
replicate-do-db=vbb 告诉slave只做vbb数据库的更新<br>
log-slave-updates<br>
<br>
<br>
将A上的mysql.tar copy到B上<br>
用ftp传B的/tmp<br>
9.解压缩<br>
#cd /var/lib/<br>
<br>
<br>
状况测试<br>
1.A跟B网络及服务都正常情况下,由A端变化数据后,到B端浏览数据,检视是否有进行replication?!<br>
2.模拟B当机,或是B不一定需要一直跟A有连接.<br>
将由A端变化数据后,到B端浏览数据，B点应该是没有数据变化的<br>
<br>
<br>
#tar xvf /tmp/mysql-snapshot.tar<br>
#chown –R mysql:mysql mysql<br>
<br>
1重启B服务器的mysql<br>
<br>
这时在/var/lib/mysql目录会出现master.info,此档案纪录了Master MySQL server的信息.<br>
<br>
状况测试<br>
1.A跟B网络及服务都正常情况下,由A端变化数据后,到B端浏览数据,检视是否有进行replication?!<br>
2.模拟B当机,或是B不一定需要一直跟A有连接.<br>
将由A端变化数据后,到B端浏览数据，B点应该是没有数据变化的<br>
<br>
作者：张微波<br>
<br>
2003-08-06 于北京
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