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配置MySQL数据库同步的实际操作步骤

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Release: 2016-06-07 16:13:42
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以下的文章主要介绍的是配置MySQL数据库同步的实际操作步骤,我们本次试验是在MySQL数据库版本 4.1.7-standard-log环境下对其进行操作 , master 端的实际操作操作系统是 redhat 9.0 , slave 端的操作系统是 redhat 7.3. 1.修改 master 端的my.cnf,增加配置参

以下的文章主要介绍的是配置MySQL数据库同步的实际操作步骤,我们本次试验是在MySQL数据库版本 4.1.7-standard-log环境下对其进行操作 , master 端的实际操作操作系统是 redhat 9.0 , slave 端的操作系统是 redhat 7.3.

1.修改 master 端的my.cnf,增加配置参数:

<ol class="dp-xml">
<li class="alt"><span><span>[MySQL(和PHP搭配之最佳组合)d]  </span></span></li>
<li><span>log-bin  </span></li>
<li class="alt">
<span class="attribute">server-id</span><span>=</span><span class="attribute-value">1</span><span> </span>
</li>
</ol>
Copy after login

2. 修改 slave 端的my.cnf,增加配置参数:

<ol class="dp-xml">
<li class="alt"><span><span>log-bin  </span></span></li>
<li>
<span class="attribute-value">master</span><span class="attribute">master-host</span><span>=master  </span>
</li>
<li class="alt">
<span class="attribute">master-user</span><span>=</span><span class="attribute-value">rep</span><span> </span>
</li>
<li>
<span class="attribute">master-password</span><span>=</span><span class="attribute-value">rep</span><span> </span>
</li>
<li class="alt">
<span class="attribute">master-port</span><span>=</span><span class="attribute-value">3306</span><span> </span>
</li>
<li>
<span class="attribute">server-id</span><span>=</span><span class="attribute-value">2</span><span> </span>
</li>
</ol>
Copy after login

以上参数都是最基本的配置,就不多解释了,解下来势初始化数据.

1.清空 master 上的所有 binlog,如果现存的 binlog有用的话,请先备份起来;接着把 master 上的所有数据文件打包,包括ibdata那些文件.

2.类似的方法清空 slave 上的所有 binlog,将 master上的数据文件压缩包拷贝到自身的数据文件目录下.

启动master,新增一个rep用户

<ol class="dp-xml"><li class="alt"><span><span>,"grant all privileges on *.* to rep@% identified by 'rep'; flush privileges; ". </span></span></li></ol>
Copy after login

启动slave,检测MySQL数据库同步是否成功.

一般情况下,不成功的原因是slave连接上master之后定位binlog失败,这就需要将双方的binlog都设置成一致,然后stop slave; start slave; 即可.


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