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#!/bin/bash # # chkconfig: - 88 12 # description: LVS script for LVS/NAT # . /etc/rc .d /init .d /functions
# VIP=192.168.0.219 DIP=192.168.10.10 RIP1=192.168.10.11 RIP2=192.168.10.12 # case "$1" in
start) /sbin/ifconfig eth0:1 $VIP netmask 255.255.255.0 up
# 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 rr
# Now direct packets for this VIP to # the real server IP (RIP) inside the cluster /sbin/ipvsadm -a -t $VIP:80 -r $RIP1 -m
/sbin/ipvsadm -a -t $VIP:80 -r $RIP2 -m
/bin/touch /var/lock/subsys/ipvsadm .lock
;; stop) # Stop forwarding packets echo 0 > /proc/sys/net/ipv4/ip_forward
# Reset ipvsadm /sbin/ipvsadm -C
# Bring down the VIP interface ifconfig eth0:1 down
rm -rf /var/lock/subsys/ipvsadm .lock
;; status) [ -e /var/lock/subsys/ipvsadm .lock ] && echo "ipvs is running..." || echo "ipvsadm is stopped..."
;; *) echo "Usage: $0 {start|stop}"
;; esac |
注:此脚本来源于互联网
本文转自limingyu0312 51CTO博客,原文链接:http://blog.51cto.com/limingyu/1920669,如需转载请自行联系原作者