1.  yum install keepalived -y

配置文件

  1. global_defs {
  2.    notification_email {
  3.      acassen@firewall.loc
  4.      failover@firewall.loc
  5.      sysadmin@firewall.loc
  6.    }
  7.    notification_email_from Alexandre.Cassen@firewall.loc
  8.    smtp_server 192.168.200.1
  9.    smtp_connect_timeout 30
  10.    router_id LVS_DEVEL ####################### 重点 host
  11.    vrrp_skip_check_adv_addr
  12.    vrrp_strict
  13.    vrrp_garp_interval 0
  14.    vrrp_gna_interval 0
  15. }
  17. vrrp_instance VI_1 {
  18.     state MASTER ####################### 重点 备份服务器改为BACKUP
  19.     interface eth0 ####################### 网卡
  20.     virtual_router_id 51 ################## 主备必须相同
  21.     priority 100 ######################### 主备不同优先级，主机值较大，备份机较小
  22.     advert_int 1 ######################### 每一秒检测主机是否存活
  23.     authentication { ###################### 认证
  24.         auth_type PASS
  25.         auth_pass 1111
  26.     }
  27.     virtual_ipaddress {  ################## 虚拟IP地址
  28.         192.168.200.16
  29.         192.168.200.17
  30.         192.168.200.18
  31.     }
  32. }
  35. virtual_server 10.10.10.2 1358 {
  36.     delay_loop 6
  37.     lb_algo rr
  38.     lb_kind NAT
  39.     persistence_timeout 50
  40.     protocol TCP
  42.     sorry_server 192.168.200.200 1358
  44.     real_server 192.168.200.2 1358 {
  45.         weight 1
  46.         HTTP_GET {
  47.             url {
  48.               path /testurl/test.jsp
  49.               digest 640205b7b0fc66c1ea91c463fac6334d
  50.             }
  51.             url {
  52.               path /testurl2/test.jsp
  53.               digest 640205b7b0fc66c1ea91c463fac6334d
  54.             }
  55.             url {
  56.               path /testurl3/test.jsp
  57.               digest 640205b7b0fc66c1ea91c463fac6334d
  58.             }
  59.             connect_timeout 3
  60.             retry 3
  61.             delay_before_retry 3
  62.         }
  63.     }
  65.     real_server 192.168.200.3 1358 {
  66.         weight 1
  67.         HTTP_GET {
  68.             url {
  69.               path /testurl/test.jsp
  70.               digest 640205b7b0fc66c1ea91c463fac6334c
  71.             }
  72.             url {
  73.               path /testurl2/test.jsp
  74.               digest 640205b7b0fc66c1ea91c463fac6334c
  75.             }
  76.             connect_timeout 3
  77.             retry 3
  78.             delay_before_retry 3
  79.         }
  80.     }
  81. }
  1. # 先启动nginx
  2. systemctl start keepalived