lvs 集羣配置

實驗環境 DR_MASTER  192.168.0.130 DR_BACKUP  192.168.0.131 DR_VIP      192.168.0.138 WEBONE     192.168.0.132 WEBTWO    192.168.0.133 GETEWAY    192.168.0.1 一、    下載相關軟件： http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.24.tar.gz http://www.keepalived.org/software/keepalived-1.1.15.tar.gz 二、    安裝lvs和keepalived modproble –l | grep ip_vs 看內核是否支持lvs ln –s /usr/src/kernels/$(uname -r)/ /usr/src/linux tar –zxvf ipvsadm-1.24.tar.gz make make install tar –zxvf keepalived-1.1.15.tar.gz ./configure  –sysconf=/etc/(可選)  --with-kernel-dir=/usr/src/kernels/`uname -r` (配置lvs須要編譯的選項) make make install cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d cp /usr/local/etc/sysconfgi/keepalived /etc/sysconfig mkdir /etc/keepalived cp /usr/local/etc/keepalived/keepalived.conf /etc/keepalived cp /usr/local/sbin/keepalived /usr/sbin service keepalived start 三、配置lvs 實現負載均衡 lvsconf.sh #/bin/bash #LVS-DR 配置腳本 GATEWAY=192.168.0.1 DR_VIP=192.168.0.138 WEBONE=192.168.0.132 WEBTWO=192.168.0.133 case "$1" in start)         echo "Start lvs of director server"         /sbin/iptables -F         /sbin/iptables -Z         /sbin/ifconfig eth0:0 $DR_VIP boradcast $DR_VIP netmask 255.255.255.255 up         /sbin/route add -host $DR_VIP dev eht0:0         echo "1" >/proc/sys/net/ipv4/ip_forward         /sbin/ipvsadm -A -t $DR_VIP:80  -s rr         /sbin/ipvsadm -a -t $DR_VIP:80 -r $WEBONE -g -w 1         /sbin/ipvsadm -a -t $DR_VIP:80 -r $WEBTWO -g -w 1         touch /var/lock/subsys/ipvsadm>/dev/null 2>&1 #run lvs         /sbin/ipvsadm         ;; stop)         echo "Stop lvs director server"         echo "0" >/proc/sys/net/ipv4/ip_forward         /sbin/ifconfig eth0:0 down         rm -rf /var/lock/subsys/ipvsadm >/dev/null 2>&1         ;; status)         if [ ! -e /var/lock/subsys/ipvsadm ]; then         echo "ipvsadm is stop"         exit 1         else         /sbin/ipvsadm -ln         echo "ipvsadm is ok"         fi         ;; *)         echo "Usage :$0{start|stop|status}"         exit 1 esac exit 0 四、配置真實服務器腳本 realconf.sh #!/bin/bash #description:config realserver lo and applu noarp DR_VIP=192.168.0.138 #./etc/rc.d/init.d/functions case "$1" in start)         ifconfig lo:0 $DR_VIP netmask 255.255.255.255 broadcast $DR_VIP up         /sbin/route add -host $DR_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         touch /var/nginxtesting         sysctl -p >/dev/null 2>&1         echo "Realserver start ok"         ;; stop)         ifconfig lo:0 down         route del $DR_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         rm -rf /var/nginxtesting         echo "Realserver stoped"         ;; status)         if [ -e /var/nginxtesting ]; then         echo "Realserver is starting"         else         echo "Realserver is stopped"         fi         ;; *)         echo "Usage:$0{start|stop|status}"         esac exit 0