高可用web服务构建3

高可用Web服务介绍2主节点上执行ipaddr让我们来检查一下我们的配置是否正确。尝试在主节点上执行ipaddr。正如您在主节点64上所看到的那样分配了IProot@S-08:~#ipaddr1:lo:<LOOPBACK,UP,LOWER_UP>mtu16436qdiscnoqueuestateUNKNOWNlink/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet/8scopehostloinet6::1/128scopehostvalid_lftforeverpreferred_lftforever2:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:50:56:bb:05:06brdff:ff:ff:ff:ff:ffinet69/28brd75scopeglobaleth0inet64/32scopeglobaleth0inet6fe80::250:56ff:febb:506/64scopelinkvalid_lftforeverpreferred_lftforever3从节点上执行ipaddr尝试在从节点上执行ipaddrroot@S-09:~#ipaddr1:lo:<LOOPBACK,UP,LOWER_UP>mtu16436qdiscnoqueuestateUNKNOWNlink/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet/8scopehostloinet6::1/128scopehostvalid_lftforeverpreferred_lftforever2:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:50:56:bb:05:08brdff:ff:ff:ff:ff:ffinet70/28brd75scopeglobaleth0inet6fe80::250:56ff:febb:508/64scopelinkvalid_lftforeverpreferred_lftforever4测试让我们停止主节点上的HAProxy。现在你可以看到IP地址64将被分配给从节点。如果在主节点上启动HAproxy实例，IP地址64将被分配回主节点。root@S-08:~#ipaddr1:lo:<LOOPBACK,UP,LOWER_UP>mtu16436qdiscnoqueuestateUNKNOWNlink/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet/8scopehostloinet6::1/128scopehostvalid_lftforeverpreferred_lftforever2:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:50:56:bb:05:06brdff:ff:ff:ff:ff:ffinet69/28brd75scopeglobaleth0inet6fe80::250:56ff:febb:506/64scopelinkvalid_lftforeverpreferred_lftforeverroot@S-09:~#ipaddr1:lo:<LOOPBACK,UP,LOWER_UP>mtu16436qdiscnoqueuestateUNKNOWNlink/loopback00:00:00:00:00:00brd00:00:00:00:00:00inet/8scopehostloinet6::1/128scopehostvalid_lftforeverpreferred_lftforever2:eth0:<BROADCAST,MULTICAST,UP,LOWER_UP>mtu1500qdiscpfifo_faststateUPqlen1000link/ether00:50:56:bb:05:08brdff:ff:ff:ff:ff:ffinet70/28brd75scopeglobaleth0inet64/32scopeglobaleth0inet6fe80::250:56ff:febb:508/64sco