Leo.xie|谢鹏的博客《自己的个人笔记》|PHP-Mysql系列学习之四（配置mysql+lvs+keeplived负载(转））

Mysql系列学习之四（配置mysql+lvs+keeplived负载(转））发布日期：2017-03-03 00:11:38 博主推荐★

配置mysql+lvs+keeplived实现Mysql读操作的负载均衡

环境：

test1192.168.46.131master

test2192.168.46.130slave备份test库

test3调度器

1、安装与配置Keepalived

首先在节点test1、test2上安装Keepalived软件，软件安装非常简单。

[root@test1 ]# yum install -y openssl-devel

[root@test1 ~]# wget http://www.keepalived.org/software/keepalived-1.2.1.tar.gz

[root@test1 ~]# tar zxvf keepalived-1.2.1.tar.gz

[root@test1 ~]# cd keepalived-1.2.1

[root@test1 keepalived-1.2.1]# ./configure --prefix=/usr/local/keepalived

[root@test1 keepalived-1.2.1]# make && make install

[root@test1 ~]# cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/

[root@test1 ~]# cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/

[root@test1 ~]# mkdir /etc/keepalived

[root@test1 ~]# cp /usr/local/keepalived/etc/keepalived /keepalived.conf /etc/keepalived/

[root@test1 ~]# ln -s /usr/local/keepalived/sbin/keepalived /usr/sbin/

[root@test1 ~]# service keepalived start

Starting keepalived: [ OK ]

Keepalived的配置也非常简单，仅仅需要一个配置文件即可完成HAcluster和lvs服务节点监控功能，在通过Keepalived搭建高可用的LVS集群实例中，主、备DirectorServer都需要安装Keepalived软件，安装成功后，默认的配置文件路径为/etc/Keepalived/Keepalived.conf。

一个完整的keepalived配置文件，有三个部分组成，分别是全局定义部分、vrrp实例定义部分以及虚拟服务器定义部分，配置好的文件内容如下：

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