现象

keepalived vip 莫名其妙漂移了，日志如下

Apr 19 10:13:13 [INFO] : 192.168.1.101-nignx01 -  VRRP_Script(chk_nignx) timed out
Apr 19 10:13:13 [INFO] : 192.168.1.101-nignx01 -  /etc/keepalived/check_nignx.sh exited due to signal 15
Apr 19 10:13:13 [INFO] : 192.168.1.101-nignx01 -  VRRP_Instance(nignx) Entering FAULT STATE
Apr 19 10:13:13 [INFO] : 192.168.1.101-nignx01 -  VRRP_Instance(nignx) removing protocol VIPs.
Apr 19 10:13:14 [INFO] : 192.168.1.101-nignx01 -  VRRP_Instance(nignx) Now in FAULT state
Apr 19 10:13:15 [INFO] : 192.168.1.101-nignx01 -  /etc/keepalived/check_nignx.sh exited due to signal 15
Apr 19 10:13:15 [INFO] : 192.168.1.101-nignx01 -  VRRP_Script(chk_nignx) succeeded
Apr 19 10:13:15 [INFO] : 192.168.1.101-nignx01 -  VRRP_Instance(nignx) Entering BACKUP STATE

解决方法

vrrp_script chk_nginx {
   script "/etc/keepalived/check_nginx.sh"
   interval 2
   timeout 2
   rise 2
   fall 2

}

# systecmctl  reload  keepalived

参考

What is "Signal 15 received"？
https://stackoverflow.com/questions/16723626/what-is-signal-15-received

VRRP_Script timed out
https://serverfault.com/questions/653411/keepalived-disconnects

Defined Type: keepalived::vrrp::script
http://www.puppetmodule.info/github/arioch/puppet-keepalived/puppet_defined_types/keepalived_3A_3Avrrp_3A_3Ascript

keepalived 自生存活监测
https://blog.51cto.com/u_11886307/2406628

keepalived配置手册(V1.2.24)中文版详解
https://blog.csdn.net/FRuler/article/details/53334082