LVS负载均衡+三台Route Process服务器

lvs+keepalived一台

mongos服务器分别为172.16.0.103,172.16.0.114,172.16.0.115

1.4.5 Lvs的安装

在lvs+keepalived服务器进行安装：

wget http://www.linuxvirtualserver.org/software/kernel-2.6/ipvsadm-1.24.tar.gz

ln -s /usr/src/kernels/2.6.18-371.9.1.el5-x86_64/ /usr/src/linux

tar zxvf ipvsadm-1.24.tar.gz

cd ipvsadm-1.24

make&& make install

1.4.6 Keepalived的安装

在lvs+keepalived服务器进行安装：

wget http://www.keepalived.org/software/keepalived-1.1.19.tar.gz
tar zxvf keepalived-1.1.19.tar.gz
cd keepalived-1.1.19

./configure --prefix=/usr/local/keepalived
make 
make install
cp /usr/local/keepalived/sbin/keepalived /usr/sbin/
cp /usr/local/keepalived/etc/sysconfig/keepalived /etc/sysconfig/
cp /usr/local/keepalived/etc/rc.d/init.d/keepalived /etc/init.d/
mkdir /etc/keepalived

1.4.7.1配置keeplived.conf

lvs-master在172.16.0.114上布置

vim /etc/keepalived/keepalived.conf

global_defs {

notification_email {

zhf506700723@qq.com

}

notification_email_from zhf506700723@qq.com

smtp_server 127.0.0.1

smtp_connect_timeout 30

router_id LVS1

}

vrrp_sync_group test {

group {

loadbalance

}

}

vrrp_instance loadbalance {

state MASTER

interface eth0

lvs_sync_daemon_inteface eth0

virtual_router_id 51

priority 180

advert_int 5

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

172.16.0.222

}

}

virtual_server 172.16.0.222 60000 {

delay_loop 6

lb_algo rr

lb_kind DR

#persistence_timeout 20

protocol TCP

real_server 172.16.0.114 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

real_server 172.16.0.103 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

real_server 172.16.0.115 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

}

lvs-backup在172.16.0.115上布置

vim /etc/keepalived/keepalived.conf

global_defs {

notification_email {

zhf506700723@qq.com

}

notification_email_from zhf506700723@qq.com

smtp_server 127.0.0.1

smtp_connect_timeout 30

router_id LVS1

}

vrrp_sync_group test {

group {

loadbalance

}

}

vrrp_instance loadbalance {

state BACKUP

interface eth0

lvs_sync_daemon_inteface eth0

virtual_router_id 51

priority 150

advert_int 5

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

172.16.0.222

}

}

virtual_server 172.16.0.222 60000 {

delay_loop 6

lb_algo rr

lb_kind DR

#persistence_timeout 20

protocol TCP

real_server 172.16.0.114 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

real_server 172.16.0.103 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

real_server 172.16.0.115 60000 {

weight 3

TCP_CHECK {

connect_timeout 3

nb_get_retry 3

delay_before_retry 3

connect_port 60000

}

}

}

三台mongos里增加

vi /etc/init.d/realserver.sh

#!/bin/bash

# description: Config realserver lo and apply noarp

SNS_VIP=172.16.0.222

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

case "$1" in

start)

ifconfig lo:0 $SNS_VIP netmask 255.255.255.255 broadcast $SNS_VIP

/sbin/route add -host $SNS_VIP dev lo:0

echo "1" >/proc/sys/net/ipv4/conf/lo/arp_ignore

echo "2" >/proc/sys/net/ipv4/conf/lo/arp_announce

echo "1" >/proc/sys/net/ipv4/conf/all/arp_ignore

echo "2" >/proc/sys/net/ipv4/conf/all/arp_announce

sysctl -p >/dev/null 2>&1

echo "RealServer Start OK"

;;

stop)

ifconfig lo:0 down

route del $SNS_VIP >/dev/null 2>&1

echo "0" >/proc/sys/net/ipv4/conf/lo/arp_ignore

echo "0" >/proc/sys/net/ipv4/conf/lo/arp_announce

echo "0" >/proc/sys/net/ipv4/conf/all/arp_ignore

echo "0" >/proc/sys/net/ipv4/conf/all/arp_announce

echo "RealServer Stoped"

;;

*)

echo "Usage: $0 {start|stop}"

exit 1

esac

exit 0

主备启动keepalived：

/etc/rc.d/init.d/keepalived start

三台mongos启动

/etc/init.d/realserver.sh start

并将keepalived和realserver的启动脚本加入到rc.local自启动中：

echo “/etc/rc.d/init.d/keepalived start” >> /etc/rc.local

echo “/etc/init.d/realserver.sh  start” >> /etc/rc.local

本文转自 jxzhfei  51CTO博客，原文链接:http://blog.51cto.com/jxzhfei/1536206