/dev/null return $? } ip_takeover(){ MAC=`ip link show $DEV|egrep -o '([0-9a-f]{2}:){5}[0-9a-f]{2}'|head -n 1|tr -d :` ip addradd $VIP/24 dev $DEV send_arp $VIP $MAC 255。高可用检测脚本failover.sh。" />

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高可用检测脚本failover.sh

#!/bin/sh
VIP="10.0.0.1"
DEV="eth0"


healthcheck(){
ping -c 1 -w 1 $VIP >/dev/null
return $?
}
ip_takeover(){
MAC=`ip link show $DEV|egrep -o '([0-9a-f]{2}:){5}[0-9a-f]{2}'|head -n 1|tr -d :`
ip addradd $VIP/24 dev $DEV
send_arp $VIP $MAC 255.255.255.255 ffffffffffff
}
while healthcheck; do
echo "health ok!"
sleep 1
done
echo "fail over"
【高可用检测脚本failover.sh】ip_takeover

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