关于lvs+keepalived只加入一台realserver问题
今天做lvs+keepalived+mysql项目实施方案，在配置lvs+keepalived时都是ok的，但是就只加入第一台realserver。本人也感到很奇怪，lvs+keepalived本人也在实验环境下做过很多次了，但是还是出问题了，后来对比配置文件终于发现问题所在。问题前：
# ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP10.10.1.200:3306 rr persistent 50
-> 10.10.1.201:3306 Route 100 0 0
解决方法：
# vim /etc/keepalived/keepalived.conf
TCP_CHECK{ <--在所有的realserver配置段的这里要加一个空格
问题解决后：
# /etc/init.d/keepalived restart <--重启一下keepalived
Stopping keepalived:
Starting keepalived:
# ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP10.10.1.200:3306 rr persistent 50
-> 10.10.1.201:3306 Route 100 0 0
-> 10.10.1.202:3306 Route 100 0 0
-> 10.10.1.203:3306 Route 100 0 0
#
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