nfs ha keepalived configure file

chknfs.sh

#!/bin/bash

###filename: chknfs.sh
###usage: crontab  */1 * * * * root /root/chknfs.sh > /dev/null 2>&1
keep="/data/.keep"
if [ ! -f $keep ]; then  
umount -f /data && mount /data  
fi

keepalived.conf

# nfs server: 192.168.10.107(master)  192.168.10.124(backup) 
# nfs vrrp vip: 192.168.10.99
# add sysctl.conf : 
# net.ipv4.ip_nonlocal_bind=1

## you need to change priority line on backup server
## you need to uncomment the line of notify_down on the right server

vrrp_instance nfs {
        interface eth0
        nopreempt        # only master
        state BACKUP
        virtual_router_id 51
        priority 103    # 103 on master, 101 on backup
        authentication {
                auth_type PASS
                auth_pass p4ssw0rd
        }
        virtual_ipaddress {
                192.168.10.99/24 dev eth0
        }
}
 

 
# Check for TCP
virtual_server 192.168.10.99 2049 {
  delay_loop 6
  lb_algo wlc
  protocol TCP
 
  real_server 192.168.10.107 2049 {
    weight 100
    #notify_down "service keepalived restart && service nfs-kernel-server restart" #only 192.168.10.107 
    TCP_CHECK {
    connect_timeout 6
    connect_port 2049
    }
  }
 
  real_server 192.168.10.124 2049 {
    weight 102
    #notify_down "service keepalived restart && service nfs-kernel-server restart"  #only 192.168.10.124 
    TCP_CHECK {
    connect_port 2049
    connect_timeout 6
    }
  }
 
}