lvs+keepalived实现负载均衡,基于centos6.5

xiaoxiao2021-03-25 103

1.RS服务器增加虚拟IP # SNS_VIP 为要绑定的虚拟IP vi /et/init.d/realserver #增加以下内容保存修改权限为750 或755 说明: 以下内容 chkconfig : 2345 description 这两行必须要有否则 chkconfig --add 增加到系统服务会失败以下脚本在centos6.5测试正常. #!/bin/bash # chkconfig: 2345 30 70 # description: Starts and Stops VIP. SNS_VIP=192.168.200.201 . /etc/rc.d/init.d/functions case "$1" in start) ifconfig lo:0 $SNS_VIP netmask 255.255.255.255 broadcast $SNS_VIP /sbin/route add -host $SNS_VIP 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 2>&1 echo "RealServer Start OK" ;; stop) ifconfig lo:0 down route del $SNS_VIP >/dev/null 2>&1 echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce echo "RealServer Stoped" ;; *) echo "Usage: $0 {start|stop}" exit 1 esac exit 0 # 执行以下脚本将 realserver 增加到系统服务 chkconfig --add realserver #设置自启动 chkconfig realserver on 2.RS开启HTTPD yum install httpd service httpd start #默认wwwroot /var/www/ chkconfig httd on #自启动 3.负载均衡主机 yum install ipvsadm #LVS linux虚拟服务的一个控制命令工具 yum install keepalived #

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