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
3.启动LVS集群服务：
（1）启动REAL SERVER： 在三个节点上都操作
/etc/init.d/lvsrs start
（2）启动ldirectord 在DR上
/etc/init.d/ldirectord start
查看输出日志：
[Sat May 19 01:25:33 2012|ldirectord] Removed real server: 192.168.1.8:3306 ( x 192.168.1.200:3306
[Sat May 19 01:25:33 2012|ldirectord] Removed real server: 192.168.1.88:3306 ( x 192.168.1.200:3306
[Sat May 19 01:25:33 2012|ldirectord] Removed real server: 192.168.1.188:3306 ( x 192.168.1.200:3306
[Sat May 19 01:25:33 2012|ldirectord] Removed virtual server: 192.168.1.200:3306
[Sat May 19 01:25:33 2012|ldirectord] Linux Director Daemon terminated on signal: TERM
[Sat May 19 01:25:34 2012|ldirectord] Added virtual server: 192.168.1.200:3306
[Sat May 19 01:25:34 2012|ldirectord] Added fallback server: 127.0.0.1:3306 ( x 192.168.1.200:3306) (Weight set to 1)
[Sat May 19 01:25:34 2012|ldirectord] Added real server: 192.168.1.8:3306 ( x 192.168.1.200:3306) (Weight set to 1)
[Sat May 19 01:25:34 2012|ldirectord] Deleted fallback server: 127.0.0.1:3306 ( x 192.168.1.200:3306)
[Sat May 19 01:25:34 2012|ldirectord] Added real server: 192.168.1.88:3306 ( x 192.168.1.200:3306) (Weight set to 1)
[Sat May 19 01:25:34 2012|ldirectord] Added real server: 192.168.1.188:3306 ( x 192.168.1.200:3306) (Weight set to 1)
配置完成，临控时时状况：
在DR上 ipvsadm
ipvsadm
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.1.200:mysql rr persistent 600
-> 192.168.1.188:mysql Route 1 0 0
-> 192.168.1.88:mysql Route 1 0 0
-> 192.168.1.8:mysql Local 1 0 0
配置完毕。