LVS+keepalived搭建DR模式架构实验
环境：CentOS6.464bit
ipvsadm-1.24.tar.gz
keepalived-1.1.19.tar.gz
IP部署：
VIP:172.16.100.5
DIP1:172.16.100.1
DIP2:172.16.100.2
RIP1:172.16.100.3
RIP2:172.16.100.4
说明：VIP在防火墙上做映射
安装：
ln-s/usr/src/kernels/2.6.32-358.el6.x86_64//usr/src/linux
tarzxvf ipvsadm-1.24.tar.gz
cdipvsadm-1.24
make&&make install
tar zxvf keepalived-1.1.19.tar.gz
yum install openssl-develpopt-devel
cd keepalived-1.1.19
./configure
make
make install
cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/
cp /usr/local/etc/sysconfig/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
安装完成。
配置RealServer：
#!/bin/bash
VIP=172.16.100.5
. /etc/init.d/functions
case"$1" in
start)
/sbin/ifconfig lo:0 $VIPnetmask 255.255.255.255 broadcast$VIP
/sbin/route add -host $VIPdevlo: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:0down
/sbin/routedel $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 Stop OK"
;;
*)
echo "Usage: $0 {start|stop}"
exit 1
esac
exit 0
配置完成。
配置负载均衡器：
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