Director脚本：
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#!/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
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Realserver脚本：
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#!/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
本文转自limingyu0312 51CTO博客，原文链接：http://blog.51cto.com/limingyu/1920670，如需转载请自行联系原作者
