版本信息

Linux version 3.10.0-514.el7.x86_64

keepalived-1.3.6

mkdir /usr/local/keepalived/

cd /keepalived/keepalived-1.3.6

yum install gcc -y

yum install openssl-devel -y

./configure --prefix=/usr/local/keepalived/

make&&make install

mkdir /etc/keepalived

vim /etc/init.d/keepalived

chmod +x /etc/init.d/keepalived

cp /usr/local/keepalived/sbin/keepalived /usr/sbin/

cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/

cp /usr/local/keepalived/etc/keepalived/keepalived.conf /etc/keepalived/

mv /etc/keepalived/keepalived.conf /etc/keepalived/keepalived.conf.bak

vi /etc/keepalived/keepalived.conf

vim /usr/local/keepalived/bin/mysql.sh

service keepalived start

chkconfig --add keepalived

chkconfig --level 35 keepalived on

systemctl enable keepalived.service

#配置文件keepalived.conf#

#! Configuration File for keepalived

global_defs {

router_id mysql-ha1 #修改为自己的主机名

}

##################第一部分###################

vrrp_instance VI_1 {

state BACKUP #都修改成BACKUP

interface ens160

virtual_router_id 60 #默认51 主从都修改为60

priority 80 #在mysql-ha2上LVS上修改成80

advert_int 1

nopreempt #不抢占资源，意思就是它活了之后也不会再把主抢回来

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

10.0.80.148

}

}

##################第二部分###################

virtual_server 10.0.80.148 3306 {

delay_loop 6

lb_algo wrr

lb_kind DR

nat_mask 255.255.255.0

persistence_timeout 50

protocol TCP

real_server 10.0.80.135 3306 {

weight 1

notify_down /usr/local/mysql/bin/mysql.sh

TCP_CHECK {

connect_timeout 10

nb_get_retry 3

connect_port 3306

}

}

}

#配置文件/etc/init.d/keepalived#

#!/bin/sh

#

# Startup script for the Keepalived daemon

#

# processname: keepalived

# pidfile: /var/run/keepalived.pid

# config: /etc/keepalived/keepalived.conf

# chkconfig: - 21 79

# description: Start and stop Keepalived

# Source function library

. /etc/rc.d/init.d/functions

# Source configuration file (we set KEEPALIVED_OPTIONS there)

. /etc/sysconfig/keepalived

RETVAL=0

prog="keepalived"

start() {

echo -n $"Starting $prog: "

daemon keepalived ${KEEPALIVED_OPTIONS}

RETVAL=$?

echo

[ $RETVAL -eq 0 ] && touch /var/lock/subsys/$prog

}

stop() {

echo -n $"Stopping $prog: "

killproc keepalived

RETVAL=$?

echo

[ $RETVAL -eq 0 ] && rm -f /var/lock/subsys/$prog

}

reload() {

echo -n $"Reloading $prog: "

killproc keepalived -1

RETVAL=$?

echo

}

# See how we were called.

case "$1" in

start)

start

;;

stop)

stop

;;

reload)

reload

;;

restart)

stop

start

;;

condrestart)

if [ -f /var/lock/subsys/$prog ]; then

stop

start

fi

;;

status)

status keepalived

RETVAL=$?

;;

*)

echo "Usage: $0 {start|stop|reload|restart|condrestart|status}"

RETVAL=1

esac

#配置文件 /usr/local/keepalived/bin/mysql.sh#

#!/bin/bash

pkill keepalived