利用lvs+keepalived实现高可用负载均衡环境的部署
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http://wangwq.blog.51cto.com/8711737/1852212
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vim
/usr/local/bin/lvs_real
.sh
#! /bin/sh
# descript :start RealServer.
VIP=192.168.30.88
.
/etc/rc
.d
/init
.d
/functions
case
"$1"
in
start)
echo
"start LVS of RealServer"
/sbin/ifconfig
lo:0 $VIP broadcast $VIP netmask 255.255.255.255 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
;;
stop)
/sbin/ifconfig
lo:0 down
echo
"close LVS of RealServer"
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
;;
*)
echo
"Usage : $0 {start|stop}"
exit
1
esac
1
/usr/local/bin/lvs_real
.sh start
1
ip addr
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vim
/etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8087 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8088 -j ACCEPT
-A INPUT -pvrrp -j ACCEPT
:wq 保存退出
service iptables restart
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vim
/etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8087 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8088 -j ACCEPT
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vim
/etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8087 -j ACCEPT
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8088 -j ACCEPT
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vim
/etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
1
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vim
/etc/sysconfig/iptables
-A INPUT -m state --state NEW -m tcp -p tcp --dport 8080 -j ACCEPT
1
service iptables restart
1
/etc/init
.d
/keepalived
restart
1
tail
-f
/var/log/messages
1
ip addr
1
tail
-f
/var/log/messages
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