利用Keepalived实现LVS的高可用和web服务的高可用(6)

背景：

利用Keepalived实现LVS的高可用和web服务的高可用

五、利用keepalived实现web服务的双主模型：

双主模型的实现是在主从模型的基础上做的

1、编辑两个节点的配置文件

HA1：

[root@node1 keepalived]# vim keepalived.conf 修改配置文件如下

vrrp_instance VI_2 {

interface eth0

state BACKUP # BACKUP for slave routers

priority 100 # 100 for BACKUP

virtual_router_id 79

garp_master_delay 1

authentication {

auth_type PASS

auth_pass password

}

track_interface {

eth0

}

virtual_ipaddress {

172.16.66.2/16 dev eth0 label eth0:1

}

track_script {

chk_haproxy

chk_mantaince_down

}

notify_master "/etc/keepalived/notify.sh master eth0:1"

notify_backup "/etc/keepalived/notify.sh backup eth0:1"

notify_fault "/etc/keepalived/notify.sh fault eth0:1"

}

HA2：[root@node2 keepalived]# vim keepalived.conf

vrrp_instance VI_2 {

interface eth0

state MASTER # BACKUP for slave routers

priority 101 # 100 for BACKUP

virtual_router_id 103

garp_master_delay 1

authentication {

auth_type PASS

auth_pass password

}

track_interface {

eth0

}

virtual_ipaddress {

172.16.66.2/16 dev eth0 label eth0:1

}

track_script {

chk_httpd

chk_schedown

}

notify_master "/etc/keepalived/notify.sh master eth0:1"

notify_backup "/etc/keepalived/notify.sh backup eth0:1"

notify_fault "/etc/keepalived/notify.sh fault eth0:1"

}

2、分别重启启动两节点的keepalived服务

[root@node1 keepalived]# service keepalived restart

Stopping keepalived: [ OK ]

Starting keepalived: [ OK ]

[root@node2 keepalived]# service keepalived restart

Stopping keepalived: [ OK ]

Starting keepalived: [ OK ]

3、验证，首先查看两节点的IP，然后在物理主机上访问

查看节点1的显示为：

查看节点2的IP显示为：

在物理主机上访问172.16.66.1

在物理主机上访问172.16.66.2

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