ipvsadm
一、下载安装
wget http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.26.tar.gz
yum -y install libnl* popt* gcc* kernel-devel* popt-static*
tar zxf ipvsadm-1.26.tar.gz
ln -sf ipvsadm-1.26 ipvsadm
cd ipvsadm
make && make install
二、
运行在realserver上的脚本
#/bin/bash
VIP=192.168.10.50
case $1 in
start)
/sbin/ifconfig lo down
/sbin/ifconfig lo up
echo 1 > /proc/sys/net/ipv4/conf/eth0/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/eth0/arp_announce
echo 1 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 2 > /proc/sys/net/ipv4/conf/all/arp_announce
/sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev lo:0
;;
stop)
/sbin/ifconfig lo:0 down
echo 0 > /proc/sys/net/ipv4/conf/eth0/arp_ignore
echo 0 > /proc/sys/net/ipv4/conf/eth0/arp_announce
echo 0 > /proc/sys/net/ipv4/conf/all/arp_ignore
echo 0 > /proc/sys/net/ipv4/conf/all/arp_announce
/sbin/route del $VIP
;;
status)
islothere = '/sbin/ifconfig lo:0|grep $VIP'
isrothere = 'route -n|grep "lo:0"|grep $VIP'
if [ ! "islothere" -o ! "isrothere" ] ; then
echo "LVS_DR real server stoped."
else
echo "LVS_DR real server running."
fi
;;
*)
echo "$0:Usage:$0 {start|stop|status}"
exit 1
;;
esac
运行在direct上的脚本
#Director脚本
#/bin/bash
VIP=192.168.10.50
DIP=192.168.10.53
RIP1=192.168.10.51
RIP2=192.168.10.52
PORT=80
FUNCTION=wlc
TYPE=g
RSWEIGHT1=2
RSWEIGHT2=1
case $1 in
start)
/sbin/ifconfig eth0:0 $VIP broadcast $VIP netmask 255.255.255.255 up
/sbin/route add -host $VIP dev eth0:0
echo 1 > /proc/sys/net/ipv4/ip_forward
/sbin/iptables -F
/sbin/iptables -Z
/sbin/iptables -C
/sbin/ipvsadm -A -t $VIP:$PORT -s $FUNCTION
/sbin/ipvsadm -a -t $VIP:$PORT -r $RIP1 -$TYPE -w $RSWEIGHT1
/sbin/ipvsadm -a -t $VIP:$PORT -r $RIP2 -$TYPE -w $RSWEIGHT2
#创建一个锁文件
/bin/touch /var/lock/subsys/ipvsadm &> /dev/null
;;
stop)
echo 0 > /proc/sys/net/ipv4/ip_forward
/sbin/ipvsadm -C
/sbin/ifconfig eth0:0 down
/sbin/route del $VIP
#删除锁文件
/bin/rm -rf /var/lock/subsys/ipvsadm
echo "ipvs is stoped..."
;;
status)
if [ ! -e /var/lock/subsys/ipvsadm ] ; then
echo "ipvs is stoped..."
else
echo "ipvs is running..."
ipvsadm -L -n
fi
;;
*)
echo "Usage:$0 {start|stop|status}"
;;
esac