LVS+keepalived+httpd高可用集群简介

Windows Windows 2个月前 (08-15) 7次浏览 未收录 0个评论 扫描二维码
环境:
主keepalived服务器:192.168.80.100
从keepalived服务器:   192.168.80.101

Web服务器:192.168.80.102
                    192.168.80.103

在80.100虚拟机上:
systemctl stop firewalld //关闭防火墙
setenforce 0 //关闭监控

yum install lrz* -y //安装上传软件
把keepalived包拉入
LVS+keepalived+httpd高可用集群简介

tar xf keepalived-1.4.2.tar.gz -C /opt/ //解压keepalived-1.4.2文件到/opt
cd /opt/keepalived-1.4.2/

yum install gcc gcc-c++ make popt-devel kernel-devel openssl-devel -y

./configure --prefix=/

make && make install

cd / cd /etc/ ls | grep keepalived cd keepalived/

LVS+keepalived+httpd高可用集群简介

vi keepalived.conf //进入keepalived删除所有内容并添加以下内容:

! Configuration File for keepalived global_defs { router_id LVS_01 //本服务器的名称 } vrrp_instance VI_1 { //定义VRRP热备实例 state MASTER //热备状态,MASTER表示主服务器,BACKUP表示从服务器 interface ens32 //承载VIP地址的物理接口 virtual_router_id 51 //虚拟路由器的ID号,每个热备组保持一致 priority 110 //优先级,数值越大优先级越高 advert_int 1 //通告间隔秒数(心跳频率) authentication { //热备认证信息,每个热备组保持一致 auth_type PASS //认证类型 auth_pass 6666 //密码字符串 } virtual_ipaddress { //指定漂移地址(VIP),可以有多个 192.168.80.188 } } virtual_server 192.168.80.188 80 { //虚拟服务器地址(VIP)、端口 delay_loop 6 //健康检查的间隔时间(秒) lb_algo rr //轮询(rr)调度算法 lb_kind DR //直接路由(DR)群集工作模式 persistence_timeout 60 //连接保持时间(秒) protocol TCP //应用服务器采用的是TCP协议 real_server 192.168.80.102 80 { //第一个Web服务器节点的地址、端口 weight 1 //节点的权重 TCP_CHECK { //健康检查方式 connect_port 80 //检查的目标端口 connect_timeout 3 //连接超时(秒) nb_get_retry 3 //连接超时(秒) delay_before_retry 3 //重试间隔 } } real_server 192.168.80.103 80 { //第二个Web服务器节点的地址、端口 weight 1 //节点的权重 TCP_CHECK { //健康检查方式 connect_port 80 //检查的目标端口 connect_timeout 3 //连接超时(秒) nb_get_retry 3 //连接超时(秒) delay_before_retry 3 //重试间隔 } } } :wq //保存退出
service keepalived start systemctl status keepalived //查看keepalived状态

LVS+keepalived+httpd高可用集群简介

ip addr show dev ens32
LVS+keepalived+httpd高可用集群简介

modprobe ip_vs yum install ipvsadm -y service keepalived restart ipvsadm -Ln //查看LVS虚拟服务器

LVS+keepalived+httpd高可用集群简介

在80.101虚拟机上:
systemctl stop firewalld //关闭防火墙
setenforce 0 //关闭监控

yum install lrz* -y //安装上传软件
把keepalived包拉入
LVS+keepalived+httpd高可用集群简介

tar xf keepalived-1.4.2.tar.gz -C /opt/ //解压keepalived-1.4.2文件到/opt
cd /opt/keepalived-1.4.2/

yum install gcc gcc-c++ make popt-devel kernel-devel openssl-devel -y

./configure --prefix=/ make && make install modprobe ip_vs yum install ipvsadm -y

vi /etc/keepalived/keepalived.conf //删除所有内容并添加以下内容:

! Configuration File for keepalived global_defs { router_id LVS_02 } vrrp_instance VI_1 { state BACKUP interface ens32 virtual_router_id 51 priority 105 advert_int 1 authentication { auth_type PASS auth_pass 6666 } virtual_ipaddress { 192.168.80.188 } } virtual_server 192.168.80.188 80 { delay_loop 6 lb_algo rr lb_kind DR persistence_timeout 60 protocol TCP real_server 192.168.80.102 80 { weight 1 TCP_CHECK { connect_port 80 connect_timeout 3 nb_get_retry 3 delay_before_retry 3 } } real_server 192.168.80.103 80 { weight 1 TCP_CHECK { connect_port 80 connect_timeout 3 nb_get_retry 3 delay_before_retry 3 } } } :wq //保存退出

service keepalived start
systemctl status keepalived //查看keepalived状态
LVS+keepalived+httpd高可用集群简介

————————————————————————————
在80.102虚拟机上:
systemctl stop firewalld
setenforce 0
yum install httpd -y //安装httpd

vi /etc/httpd/conf/httpd.conf ServerName www.example.com.80 前面的#去掉

LVS+keepalived+httpd高可用集群简介

cd /var/www/html/ //进入目录 echo "

SERVER AA

" > index.html //在index.html添加内容 ls cat index.html

LVS+keepalived+httpd高可用集群简介

systemctl start httpd

cd ls ./web.sh

LVS+keepalived+httpd高可用集群简介

ifconfig //查找IP地址
LVS+keepalived+httpd高可用集群简介

在虚拟机80.103上:
systemctl stop firewalld
setenforce 0
yum install httpd -y //安装httpd

vi /etc/httpd/conf/httpd.conf ServerName www.example.com.80 前面的#去掉

LVS+keepalived+httpd高可用集群简介

cd /var/www/html/ //进入目录 echo "

SERVER BB

" > index.html //在index.html添加内容 ls cat index.html

LVS+keepalived+httpd高可用集群简介

systemctl start httpd

vi web.sh
里面添加以下内容

#!/bin/bash #haha ifconfig lo:0 192.168.80.188 broadcast 192.168.80.188 netmask 255.255.255.255 up route add -host 192.168.80.188 dev lo:0 echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce sysctl -p &>/dev/null :wq //保存退出
chmod +x web.sh //设置权限 ./web.sh ifconfig //查找IP地址

LVS+keepalived+httpd高可用集群简介

scp web.sh root@192.168.80.102:/root/ //把地址传送过去 yes root密码

LVS+keepalived+httpd高可用集群简介

网页上输入http:192.168.80.188
LVS+keepalived+httpd高可用集群简介

在80.103中
systemctl stop httpd //关闭httpd
在页面上刷新成下面情况:
LVS+keepalived+httpd高可用集群简介

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