ldirectord对lvs进行检测

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前提：在lvs DR模式下

安装ldirectord

yum install -y ldirectord-3.9.5-3.1.x86_64.rpm

/etc/init.d/ldirectord start

配置ldirectord

vim /etc/ha.d/ldirectord.cf

# Sample for an http virtual servicevirtual=172.25.28.100:80   #vip        real=172.25.28.2:80 gate   #rs1        real=172.25.28.3:80 gate    #rs2        fallback=127.0.0.1:80 gate   #当rs1和rs2都宕掉后，启用本机httpd        service=http        scheduler=rr        #persistent=600        #netmask=255.255.255.255        protocol=tcp        checktype=negotiate        checkport=80        request="index.html"  ##检测页面        #receive="Test Page"        #virtualhost=www.x.y.z

[root@server1 ha.d]# ipvsadm -LIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags  -> RemoteAddress:Port           Forward Weight ActiveConn InActConnTCP  172.25.28.100:http rr  -> server2:http                 Route   1      0          0           -> server3:http                 Route   1      0          0         [root@server1 ha.d]#

停掉server2

[root@server2 ~]# /etc/init.d/httpd stopStopping httpd:                                            [  OK  ]

[root@server1 ha.d]# ipvsadm -LIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags  -> RemoteAddress:Port           Forward Weight ActiveConn InActConnTCP  172.25.28.100:http rr  -> server3:http                 Route   1      0          0

继续停掉server3

[root@server1 ha.d]# ipvsadm -LnIP Virtual Server version 1.2.1 (size=4096)Prot LocalAddress:Port Scheduler Flags  -> RemoteAddress:Port           Forward Weight ActiveConn InActConnTCP  172.25.28.100:80 rr  -> 127.0.0.1:80                 Local   1      0          0

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