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<title><![CDATA[mysql主从同步配置(笔记)]]></title> 
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<pubDate>Fri, 16 Jul 2010 04:31:56 +0000</pubDate> 
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	特别说明:<br/>配置mysql主从备份一定要使用相同版本的数据库,如不可以使用5.0和5.1的交杂.<br/><br/>1.主机 <br/>建任意主机用户,并赋于对指定数据库的相应权限,并开放3306端口的外网访问(防火墙),如添加的用户为admin,创建的数据库为test,如以下主机为linux<br/>vi /etc/my.cnf<br/>在[mysqld]段添加:<br/>server-id&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; = 1<br/>log-bin<br/>重启mysql<br/>查看状态:<br/>mysql -u root -p<br/>输入密码后,<br/> show master status;<br/>看到如下:<br/>+-------------------+----------+--------------+------------------+<br/>&#124; File&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#124; Position &#124; Binlog_Do_DB &#124; Binlog_Ignore_DB &#124;<br/>+-------------------+----------+--------------+------------------+<br/>&#124; centos-bin.000001 &#124;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;106 &#124;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#124;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#124;<br/>+-------------------+----------+--------------+------------------+<br/>1 row in set (0.00 sec)<br/><br/>从服务器连接测试<br/>比如主服务器IP为192.168.0.2<br/>mysql -h 192.168.0.2 -u admin -p<br/>能正常登录为成功<br/><br/><br/>2.从服务器my.ini(如主机为win)<br/>[mysqld]段添加:<br/>server-id=2<br/>master-host=192.168.0.2<br/>master-port=3306<br/>master-user=admin<br/>master-password=123456<br/>master-connect-retry=60<br/>replicate-do-db=test<br/><br/>检查状态:<br/>mysql -u root -p<br/>show slave status&#92;G;<br/><br/>看到<br/>Slave_IO_Running:Yes<br/>Slave_SQL_running:Yes<br/>说明是成功的<br/><br/>这时候,可以在主机上安装程序,如安装Disucz,只要主机上的数据库发生了改变,都会自动备份到从服务器的数据库里<br/><br/>相关命令:<br/>Slave start<br/>Slave stop<br/>Reset slave<br/>Show slave status<br/>Show master status<br/>主服务器命令需登录主机执行,从命令登录从服务器运行,当然,在从服务器运行主机的mysql也可以,正如:<br/>mysql -h 192.168.0.2 -u admin -p<br/>Tags - <a href="http://www.gsywx.com/go.php/tags/linux/" rel="tag">linux</a> , <a href="http://www.gsywx.com/go.php/tags/mysql/" rel="tag">mysql</a> , <a href="http://www.gsywx.com/go.php/tags/mysql%25E4%25B8%25BB%25E4%25BB%258E/" rel="tag">mysql主从</a> , <a href="http://www.gsywx.com/go.php/tags/mysql%25E4%25B8%25BB%25E4%25BB%258E%25E9%2585%258D%25E7%25BD%25AE/" rel="tag">mysql主从配置</a>
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<pubDate>Thu, 01 Jan 1970 00:00:00 +0000</pubDate> 
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