求助：怎么realserver关掉后还能访问

Submitted by liuyikm on 周一, 2007-07-02 02:34

我采用DR模式，调度算法用的是源地址散列，我关掉一台realserver后，前台还能访问？

VIP：192.168.64.31

LVS Server IP：192.168.64.21

RealServer1：192.168.64.11
RealServer2：192.168.64.12

LVS配置：
/sbin/ifconfig eth0:1 192.168.64.31 netmask 255.255.255.255 up
/sbin/route add -host 192.168.64.31 dev eth0:1
/sbin/ipvsadm -A -t192.168.64.31:80 -s sh
/sbin/ipvsadm -a -t192.168.64.11:80 -g
/sbin/ipvsadm -a -t192.168.64.12:80 -g
/sbin/ipvsadm

RealServer配置（两台，分别为A、B）：
/sbin/ifconfig lo:0 192.168.64.31 netmask 255.255.255.255 up
/sbin/route add -host 192.168.64.31 dev lo:0
修改/etc/sysctl.conf增加
net.ipv4.conf.lo.arp_ignore=1
net.ipv4.conf.lo.arp_announce=2
net.ipv4.conf.all.arp_ignore=1
net.ipv4.conf.all.arp_announce=2

测试步骤：
1、启动两台realserver、lvs，并同时启动两台realserver的httpd服务；
2、在客户端用IE访问：http://192.168.64.31，发现访问的是realserverB
3、关闭realServerB的httpd服务，结果发现前台http://192.168.64.31出现的仍然是B服务器的内容。

Comments

sery

周五, 2007-11-02 07:34

你试着清理cookie或者换一个机器访问,看问题是否还存在?

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