zi663227 发表于 2018-12-29 06:10:05

keepalived主从配置

  主: 192.168.39.83
  vim keepalived.conf
  ! Configuration File for keepalived
  global_defs {
  router_id nginx_master
  }
  vrrp_script chk_nginx {
  script "/data/scripts/nginx_check.sh"
  interval 2
  }
  vrrp_instance VI_1 {
  state MASTER
  interface em1
  virtual_router_id 51
  priority 101
  advert_int 1
  track_script {
  chk_nginx
  }
  authentication {
  auth_type PASS
  auth_pass 1111
  }
  virtual_ipaddress {
      192.168.39.20/24
      192.168.39.21/24
  }
  }
  vrrp_instance VI_2 {
  state BACKUP
  interface em1
  virtual_router_id 52
  priority 99
  advert_int 1
  track_script {
  chk_nginx
  }
  authentication {
  auth_type PASS
  auth_pass 1111
  }
  virtual_ipaddress {
  192.168.39.10/24
  192.168.39.11/24
  }
  }
  从:192.168.39.84
  vim keepalived.conf
  ! Configuration File for keepalived
  global_defs {
  router_id nginx_backup
  }
  vrrp_script chk_nginx {
  script "/data/scripts/nginx_check.sh"
  interval 2
  }
  vrrp_instance VI_1 {
  state BACKUP
  interface em1
  virtual_router_id 51
  priority 99
  advert_int 1
  track_script {
  chk_nginx
  }
  authentication {
  auth_type PASS
  auth_pass 1111
  }
  virtual_ipaddress {
  192.168.39.20/24
       192.168.39.21/24
  }
  }
  vrrp_instance VI_2 {
  state MASTER
  interface em1
  virtual_router_id 52
  priority 101
  advert_int 1
  track_script {
  chk_nginx
  }
  authentication {
  auth_type PASS
  auth_pass 1111
  }
  virtual_ipaddress {
  192.168.39.10/24
       192.168.39.11/24
  }
  }
  注: iptables需要开启vrrp协议访问
  iptables -I INPUT -p vrrp -j ACCEPT



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