lvs配置(centos5 测试通过)

最新推荐文章于 2025-12-28 13:38:54 发布

最新推荐文章于 2025-12-28 13:38:54 发布 · 134 阅读

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本文介绍了一个LVS集群的配置过程，包括主控服务器和真实服务器的设置。主控服务器通过设定虚拟IP地址并配置IPVS服务来实现负载均衡，真实服务器则通过设置本地环回接口的虚拟IP来响应来自主控服务器的流量。

ldServer
vi /etc/init.d/lvsDR
#!/bin/sh
#create in 20060812 by ghb
# description: start LVS of Directorserver
VIP=192.168.1.88
RIP1=192.168.1.188
RIP2=192.168.1.99
#RIPn=192.168.0.128~254
GW=192.168.1.1
. /etc/rc.d/init.d/functions
case $1 in
start)
echo "start LVS of DirectorServer"
#Set the Virtual IP Address
/sbin/ifconfig eth0:1 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev eth0:1
#Clear IPVS Table
/sbin/ipvsadm -C
#Set Lvs
/sbin/ipvsadm -A -t $VIP:80 -s rr
/sbin/ipvsadm -a -t $VIP:80 -r $RIP1:80 -g
/sbin/ipvsadm -a -t $VIP:80 -r $RIP2:80 -g
#Run Lvs
/sbin/ipvsadm
;;
stop)
echo "close LVS Directorserver"
/sbin/ifconfig eth0:1 down
/sbin/ipvsadm -C
;;
*)
echo "Usage: $0" {start|stop}
exit 1
esac

RealServer
vi /etc/init.d/lvsDR
#cription:start realserver
#chkconfig 235 26 26
VIP=192.168.1.88
/etc/rc.d/init.d/functions
case "$1" in
start)
echo " start LVS of REALServer"
/sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev lo:0
echo "0" > /proc/sys/net/ipv4/ip_forward
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
;;
stop)
/sbin/ifconfig lo:0 down
echo "close LVS Directorserver"
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 "Usage: $0 {start|stop}"
exit 1
esac