测试keepalived主备模式
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】
# 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
}
}
# service keepalived start
【keepalived备】
# 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
}
}
# service keepalived start
三、刚启动时
【keepalived主】
Mar 31 17:44:23 R201-1 Keepalived: Starting Keepalived v1.2.13 (10/15,2014)
Mar 31 17:44:23 R201-1 Keepalived: Starting Healthcheck child process, pid=39253
Mar 31 17:44:23 R201-1 Keepalived: Starting VRRP child process, pid=39254
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Netlink reflector reports IP 10.0.201.1 added
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Registering Kernel netlink reflector
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Registering Kernel netlink command channel
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Registering gratuitous ARP shared channel
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.1 added
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Registering Kernel netlink reflector
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Registering Kernel netlink command channel
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Configuration is using : 61953 Bytes
Mar 31 17:44:23 R201-1 Keepalived_vrrp: Using LinkWatch kernel netlink reflector...
Mar 31 17:44:23 R201-1 Keepalived_vrrp: VRRP sockpool:
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Configuration is using : 6491 Bytes
Mar 31 17:44:23 R201-1 Keepalived_healthcheckers: Using LinkWatch kernel netlink reflector...
Mar 31 17:44:24 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE
Mar 31 17:44:25 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Entering MASTER STATE
Mar 31 17:44:25 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) setting protocol VIPs.
Mar 31 17:44:25 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100
Mar 31 17:44:25 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.100 added
Mar 31 17:44:30 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100
# 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: Starting Keepalived v1.2.13 (10/15,2014)
Mar 31 17:44:56 201-2 Keepalived: Starting Healthcheck child process, pid=39002
Mar 31 17:44:56 201-2 Keepalived: Starting VRRP child process, pid=39003
Mar 31 17:44:56 201-2 Keepalived_vrrp: Netlink reflector reports IP 10.0.201.2 added
Mar 31 17:44:56 201-2 Keepalived_vrrp: Netlink reflector reports IP fe80::46a8:42ff:fe0b:f805 added
Mar 31 17:44:56 201-2 Keepalived_vrrp: Registering Kernel netlink reflector
Mar 31 17:44:56 201-2 Keepalived_vrrp: Registering Kernel netlink command channel
Mar 31 17:44:56 201-2 Keepalived_vrrp: Registering gratuitous ARP shared channel
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.2 added
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Netlink reflector reports IP fe80::46a8:42ff:fe0b:f805 added
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Registering Kernel netlink reflector
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Registering Kernel netlink command channel
Mar 31 17:44:56 201-2 Keepalived_vrrp: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:44:56 201-2 Keepalived_vrrp: Configuration is using : 61951 Bytes
Mar 31 17:44:56 201-2 Keepalived_vrrp: Using LinkWatch kernel netlink reflector...
Mar 31 17:44:56 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Entering BACKUP STATE
Mar 31 17:44:56 201-2 Keepalived_vrrp: VRRP sockpool:
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Configuration is using : 6489 Bytes
Mar 31 17:44:56 201-2 Keepalived_healthcheckers: Using LinkWatch kernel netlink reflector...
# 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: Stopping Keepalived v1.2.13 (10/15,2014)
Mar 31 17:45:47 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) sending 0 priority
Mar 31 17:45:47 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) removing protocol VIPs.
# 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: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE
Mar 31 17:46:17 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Entering MASTER STATE
Mar 31 17:46:17 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) setting protocol VIPs.
Mar 31 17:46:17 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100
Mar 31 17:46:17 201-2 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.100 added
Mar 31 17:46:22 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100
# 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: Starting Keepalived v1.2.13 (10/15,2014)
Mar 31 17:46:18 R201-1 Keepalived: Starting Healthcheck child process, pid=39284
Mar 31 17:46:18 R201-1 Keepalived: Starting VRRP child process, pid=39285
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.1 added
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Registering Kernel netlink reflector
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Netlink reflector reports IP 10.0.201.1 added
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Netlink reflector reports IP fe80::569f:35ff:fe0f:e098 added
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Registering Kernel netlink command channel
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Registering Kernel netlink reflector
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Registering Kernel netlink command channel
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Registering gratuitous ARP shared channel
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Opening file '/etc/keepalived/keepalived.conf'.
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Configuration is using : 6491 Bytes
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Configuration is using : 61953 Bytes
Mar 31 17:46:18 R201-1 Keepalived_vrrp: Using LinkWatch kernel netlink reflector...
Mar 31 17:46:18 R201-1 Keepalived_vrrp: VRRP sockpool:
Mar 31 17:46:18 R201-1 Keepalived_healthcheckers: Using LinkWatch kernel netlink reflector...
Mar 31 17:46:19 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Transition to MASTER STATE
Mar 31 17:46:19 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Received lower prio advert, forcing new election
Mar 31 17:46:20 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Entering MASTER STATE
Mar 31 17:46:20 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) setting protocol VIPs.
Mar 31 17:46:20 R201-1 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Sending gratuitous ARPs on em1 for 10.0.201.100
Mar 31 17:46:20 R201-1 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.100 added
【keepalived备】
Mar 31 17:46:47 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Received higher prio advert
Mar 31 17:46:47 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) Entering BACKUP STATE
Mar 31 17:46:47 201-2 Keepalived_vrrp: VRRP_Instance(VIP_Mysql) removing protocol VIPs.
Mar 31 17:46:47 201-2 Keepalived_healthcheckers: Netlink reflector reports IP 10.0.201.100 removed
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