CentOS-yum安装keepalived(双机热备)

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面具™ 2021-09-08 12:34:54 ©著作权

文章标签 haproxy keepalived virtual router v-im centos 文章分类 开源

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准备两台机器：192.168.1.10，192.168.1.11

分别安装keepalived

$ yum install keepalived

在192.168.1.10上执行

$ vim /etc/keepalived/keepalived.conf

vrrp_script chk_haproxy {
script "pidof haproxy"
  interval 2
}
vrrp_instance VI_1 {
  interface eth0 #本机网卡名称，使用ifconfig命令查看
  state MASTER #本机实例状态，MASTER/BACKUP，备机配置文件中请写BACKUP
  priority 200 #本机初始权重,备机请填写小于主机的值
  virtual_router_id 10 #虚拟路由编号，主备机保持一致
  unicast_src_ip 192.168.1.10
  unicast_peer {
      192.168.1.11
  }
  authentication {
      auth_type PASS
      auth_pass password
  }
  virtual_ipaddress {
      192.168.1.100 #虚地址IP，主备机保持一致
  }
  track_script {
      chk_haproxy #对应的健康检查配置
  }
  notify_master /loadbtify_master.sh
}

在192.168.1.11上执行

$ vim /etc/keepalived/keepalived.conf

vrrp_script chk_haproxy {
  script "pidof haproxy"
  interval 2
}
vrrp_instance VI_1 {
  interface eth0
  state BACKUP
  priority 100
  virtual_router_id 10
  unicast_src_ip 192.168.1.11
  unicast_peer {
      192.168.1.10
  }
  authentication {
      auth_type PASS
      auth_pass password
  }
  virtual_ipaddress {
      192.168.1.100
  }
  track_script {
      chk_haproxy
  }
  notify_master /loadbtify_master.sh
}