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Director脚本:
成都创新互联是一家以网络技术公司,为中小企业提供网站维护、网站建设、成都网站制作、网站备案、服务器租用、空间域名、软件开发、成都小程序开发等企业互联网相关业务,是一家有着丰富的互联网运营推广经验的科技公司,有着多年的网站建站经验,致力于帮助中小企业在互联网让打出自已的品牌和口碑,让企业在互联网上打开一个面向全国乃至全球的业务窗口:建站欢迎联系:028-86922220#!/bin/bash # # LVS script for VS/DR # . /etc/rc.d/init.d/functions # VIP=192.168.0.210 RIP1=192.168.0.221 RIP2=192.168.0.222 PORT=80 # case "$1" in start) /sbin/ifconfig eth0:1 $VIP broadcast $VIP netmask 255.255.255.255 up /sbin/route add -host $VIP dev eth0:1 # Since this is the Director we must be able to forward packets echo 1 > /proc/sys/net/ipv4/ip_forward # Clear all iptables rules. /sbin/iptables -F # Reset iptables counters. /sbin/iptables -Z # Clear all ipvsadm rules/services. /sbin/ipvsadm -C # Add an IP virtual service for VIP 192.168.0.219 port 80 # In this recipe, we will use the round-robin scheduling method. # In production, however, you should use a weighted, dynamic scheduling method. /sbin/ipvsadm -A -t $VIP:80 -s wlc # Now direct packets for this VIP to # the real server IP (RIP) inside the cluster /sbin/ipvsadm -a -t $VIP:80 -r $RIP1 -g -w 1 /sbin/ipvsadm -a -t $VIP:80 -r $RIP2 -g -w 2 /bin/touch /var/lock/subsys/ipvsadm &> /dev/null ;; stop) # Stop forwarding packets echo 0 > /proc/sys/net/ipv4/ip_forward # Reset ipvsadm /sbin/ipvsadm -C # Bring down the VIP interface /sbin/ifconfig eth0:1 down /sbin/route del $VIP /bin/rm -f /var/lock/subsys/ipvsadm echo "ipvs is stopped..." ;; status) if [ ! -e /var/lock/subsys/ipvsadm ]; then echo "ipvsadm is stopped ..." else echo "ipvs is running ..." ipvsadm -L -n fi ;; *) echo "Usage: $0 {start|stop|status}" ;; esac
Realserver脚本:
#!/bin/bash # # Script to start LVS DR real server. # description: LVS DR real server # . /etc/rc.d/init.d/functions VIP=192.168.0.219 host=`/bin/hostname` case "$1" in start) # Start LVS-DR real server on this machine. /sbin/ifconfig lo down /sbin/ifconfig lo up 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 /sbin/ifconfig lo:0 $VIP broadcast $VIP netmask 255.255.255.255 up /sbin/route add -host $VIP dev lo:0 ;; stop) # Stop LVS-DR real server loopback device(s). /sbin/ifconfig lo:0 down 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 ;; status) # Status of LVS-DR real server. islothere=`/sbin/ifconfig lo:0 | grep $VIP` isrothere=`netstat -rn | grep "lo:0" | grep $VIP` if [ ! "$islothere" -o ! "isrothere" ];then # Either the route or the lo:0 device # not found. echo "LVS-DR real server Stopped." else echo "LVS-DR real server Running." fi ;; *) # Invalid entry. echo "$0: Usage: $0 {start|status|stop}" exit 1 ;; esac
注:此脚本来源于互联网
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