安装文档_lvs安装文档

#!/bin/bash

#description:start lvs server

echo "1" >/proc/sys/net/ipv4/ip_forward         #开启ip转发

WEB1=192.168.56.200                        #真实的webip

WEB2=192.168.56.201                        #真实的webip

VIP1=192.168.56.80                        #虚拟lvs的ip

/etc/rc.d/init.d/functions                     #初始化function

case "$1" in                                #第一个参数

start)                                    #第一个参数是start

echo "start LVS of directorServer"                #打印

/sbin/ifconfig eth0:0 $VIP1 broadcast $VIP1 netmask 255.255.255.255 up        #设置虚拟网络

/sbin/ipvsadm –C                    #清除内核虚拟服务器表中的所有记录，清除lvs设置

/sbin/ipvsadm -A -t $VIP1:8080 -s rr    #设置rr模式，轮询模式

/sbin/ipvsadm -a -t $VIP1:8080 -r $WEB1:8080 –g        #轮询的机器，-g采用DR模式

/sbin/ipvsadm -a -t $VIP1:8080 -r $WEB2:8080 –g

/sbin/ipvsadm                                #启动lvs

;;

stop)                            #如果第一个参数是stop

echo "close LVS directorserver"        #打印

echo "0" >/proc/sys/net/ipv4/ip_forward    #关闭ip转发

/sbin/ipvsadm –C                    #清除内核虚拟服务器表中的所有记录

/sbin/ipvsadm –Z                    #虚拟服务表计数器清零（清空当前的连接数量等）

;;

*)                                #如果第一个参数是其他任何值

echo "usage:$0 {start|stop}"            #打印：提示输入start或者stop

exit 1                            #退出

esac                                #循环结束

#!/bin/sh

VIP1=192.168.56.80                    #虚拟ip

/etc/rc.d/init.d/functions                #初始化function

case "$1" in                            #第一个参数

start)                                #如果第一个参数是start

echo "start LVS of realserver"                #打印

/sbin/ifconfig lo:0 $VIP1 broadcast $VIP1 netmask 255.255.255.255 up    #设置虚拟网络

echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore        #定义接收到ARP请求时的响应级别

echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce    #定义将自己的地址向外通告时的级别

echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore

echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

;;

stop)                                #如果第一个参数是stop

/sbin/ifconfig lo:0 down                    #停止网卡

echo "close lvs dirctorserver"                #打印

echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore        #定义接收到ARP请求时的响应级别

echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce    #定义将自己的地址向外通告时的级别

echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore

echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce

;;

*)

echo "usage:$0{start|stop}"

exit 1

esac