测试keepalived主备模式

rgfsd2

测试keepalived主备模式
目的：观察VIP在主备服务器上的切换过程

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一、安装 yum -y install ipvsadm keepalived 二、服务配置 【keepalived  主】 [iyunv@R201-1 ~]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs {    router_id R201-1 } vrrp_instance VIP_Mysql {     state MASTER     interface em1     virtual_router_id 150     priority 100     advert_int 1     authentication {         auth_type PASS         auth_pass 1111     }     virtual_ipaddress {         10.0.201.100     } } [iyunv@R201-1 ~]# service keepalived start 【keepalived  备】 [iyunv@201-2 ~]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs {    router_id R201-2 } vrrp_instance VIP_Mysql {     state BACKUP     interface em1     virtual_router_id 150     priority 50     advert_int 1     authentication {         auth_type PASS         auth_pass 1111     }     virtual_ipaddress {         10.0.201.100     } } [iyunv@R201-2 ~]# service keepalived start 三、刚启动时 【keepalived  主】 Mar 31 17:44:23 R201-1 Keepalived[39251]: Starting Keepalived v1.2.13 (10/15,2014) Mar 31 17:44:23 R201-1 Keepalived[39252]: Starting Healthcheck child process, pid=39253 Mar 31 17:44:23 R201-1 Keepalived[39252]: Starting VRRP child process, pid=39254 Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Netlink reflector reports IP 10.0.201.1 added Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Registering Kernel netlink reflector Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Registering Kernel netlink command channel Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Registering gratuitous ARP shared channel Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Netlink reflector reports IP 10.0.201.1 added Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Registering Kernel netlink reflector Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Registering Kernel netlink command channel Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Configuration is using : 61953 Bytes Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: Using LinkWatch kernel netlink reflector... Mar 31 17:44:23 R201-1 Keepalived_vrrp[39254]: VRRP sockpool: [ifindex(2), proto(112), unicast(0), fd(10,11)] Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Configuration is using : 6491 Bytes Mar 31 17:44:23 R201-1 Keepalived_healthcheckers[39253]: Using LinkWatch kernel netlink reflector... Mar 31 17:44:24 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE Mar 31 17:44:25 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) Entering MASTER STATE Mar 31 17:44:25 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) setting protocol VIPs. Mar 31 17:44:25 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100 Mar 31 17:44:25 R201-1 Keepalived_healthcheckers[39253]: Netlink reflector reports IP 10.0.201.100 added Mar 31 17:44:30 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100 [iyunv@R201-1 ~]# ip a s dev em1 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000     link/ether 54:9f:35:0f:e0:98 brd ff:ff:ff:ff:ff:ff     inet 10.0.201.1/8 brd 10.255.255.255 scope global em1     inet 10.0.201.100/32 scope global em1     inet6 fe80::569f:35ff:fe0f:e098/64 scope link        valid_lft forever preferred_lft forever 【keepalived  备】 Mar 31 17:44:56 201-2 Keepalived[39000]: Starting Keepalived v1.2.13 (10/15,2014) Mar 31 17:44:56 201-2 Keepalived[39001]: Starting Healthcheck child process, pid=39002 Mar 31 17:44:56 201-2 Keepalived[39001]: Starting VRRP child process, pid=39003 Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Netlink reflector reports IP 10.0.201.2 added Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Netlink reflector reports IP fe80::46a8:42ff:fe0b:f805 added Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Registering Kernel netlink reflector Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Registering Kernel netlink command channel Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Registering gratuitous ARP shared channel Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Netlink reflector reports IP 10.0.201.2 added Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Netlink reflector reports IP fe80::46a8:42ff:fe0b:f805 added Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Registering Kernel netlink reflector Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Registering Kernel netlink command channel Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Configuration is using : 61951 Bytes Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: Using LinkWatch kernel netlink reflector... Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Entering BACKUP STATE Mar 31 17:44:56 201-2 Keepalived_vrrp[39003]: VRRP sockpool: [ifindex(2), proto(112), unicast(0), fd(10,11)] Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Configuration is using : 6489 Bytes Mar 31 17:44:56 201-2 Keepalived_healthcheckers[39002]: Using LinkWatch kernel netlink reflector... [iyunv@201-2 ~]# ip a s dev em1 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000     link/ether 44:a8:42:0b:f8:05 brd ff:ff:ff:ff:ff:ff     inet 10.0.201.2/8 brd 10.255.255.255 scope global em1     inet6 fe80::46a8:42ff:fe0b:f805/64 scope link        valid_lft forever preferred_lft forever 四、停止主 【keepalived  主】 Mar 31 17:45:47 R201-1 Keepalived[39252]: Stopping Keepalived v1.2.13 (10/15,2014) Mar 31 17:45:47 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) sending 0 priority Mar 31 17:45:47 R201-1 Keepalived_vrrp[39254]: VRRP_Instance(VIP_Mysql) removing protocol VIPs. [iyunv@R201-1 ~]# ip a s dev em1          2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000     link/ether 54:9f:35:0f:e0:98 brd ff:ff:ff:ff:ff:ff     inet 10.0.201.1/8 brd 10.255.255.255 scope global em1     inet6 fe80::569f:35ff:fe0f:e098/64 scope link        valid_lft forever preferred_lft forever          【keepalived  备】 Mar 31 17:46:16 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE Mar 31 17:46:17 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Entering MASTER STATE Mar 31 17:46:17 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) setting protocol VIPs. Mar 31 17:46:17 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100 Mar 31 17:46:17 201-2 Keepalived_healthcheckers[39002]: Netlink reflector reports IP 10.0.201.100 added Mar 31 17:46:22 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100 [iyunv@201-2 ~]# ip a s dev em1 2: em1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000     link/ether 44:a8:42:0b:f8:05 brd ff:ff:ff:ff:ff:ff     inet 10.0.201.2/8 brd 10.255.255.255 scope global em1     inet 10.0.201.100/32 scope global em1     inet6 fe80::46a8:42ff:fe0b:f805/64 scope link        valid_lft forever preferred_lft forever 五、再次启动主 【keepalived  主】 Mar 31 17:46:18 R201-1 Keepalived[39282]: Starting Keepalived v1.2.13 (10/15,2014) Mar 31 17:46:18 R201-1 Keepalived[39283]: Starting Healthcheck child process, pid=39284 Mar 31 17:46:18 R201-1 Keepalived[39283]: Starting VRRP child process, pid=39285 Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Netlink reflector reports IP 10.0.201.1 added Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Registering Kernel netlink reflector Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Netlink reflector reports IP 10.0.201.1 added Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Registering Kernel netlink command channel Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Registering Kernel netlink reflector Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Registering Kernel netlink command channel Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Registering gratuitous ARP shared channel Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Opening file '/etc/keepalived/keepalived.conf'. Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Configuration is using : 6491 Bytes Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Configuration is using : 61953 Bytes Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: Using LinkWatch kernel netlink reflector... Mar 31 17:46:18 R201-1 Keepalived_vrrp[39285]: VRRP sockpool: [ifindex(2), proto(112), unicast(0), fd(10,11)] Mar 31 17:46:18 R201-1 Keepalived_healthcheckers[39284]: Using LinkWatch kernel netlink reflector... Mar 31 17:46:19 R201-1 Keepalived_vrrp[39285]: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE Mar 31 17:46:19 R201-1 Keepalived_vrrp[39285]: VRRP_Instance(VIP_Mysql) Received lower prio advert, forcing new election Mar 31 17:46:20 R201-1 Keepalived_vrrp[39285]: VRRP_Instance(VIP_Mysql) Entering MASTER STATE Mar 31 17:46:20 R201-1 Keepalived_vrrp[39285]: VRRP_Instance(VIP_Mysql) setting protocol VIPs. Mar 31 17:46:20 R201-1 Keepalived_vrrp[39285]: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100 Mar 31 17:46:20 R201-1 Keepalived_healthcheckers[39284]: Netlink reflector reports IP 10.0.201.100 added 【keepalived  备】 Mar 31 17:46:47 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Received higher prio advert Mar 31 17:46:47 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) Entering BACKUP STATE Mar 31 17:46:47 201-2 Keepalived_vrrp[39003]: VRRP_Instance(VIP_Mysql) removing protocol VIPs. Mar 31 17:46:47 201-2 Keepalived_healthcheckers[39002]: Netlink reflector reports IP 10.0.201.100 removed