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LVS+Keepalived负载均衡架构筹建

2013-03-04 
LVS+Keepalived负载均衡架构搭建?步骤:?1 ?在43和45机器上操作?安装lvs和keepalived?# yum install ipvs*#

LVS+Keepalived负载均衡架构搭建

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步骤:

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1 ?在43和45机器上操作

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安装lvs和keepalived

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# yum install ipvs*

# ipvsadm


LVS+Keepalived负载均衡架构筹建
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#tar zxvf keepalived-1.2.7.tar.gz

#cd keepalived-1.1.15

#./configure ?&& make && make install

#find / -name keepalived ?# 查看keepalived位置 ? ? ? ? ? ? ? ?

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#cp /usr/local/etc/rc.d/init.d/keepalived /etc/rc.d/init.d/

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

#mkdir /etc/keepalived

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

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

#service keepalived start|stop ? ? #做成系统启动服务方便管理.

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?配置keepalived

vi /etc/keepalived/keepalived.conf

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bal_defs {

? ?notification_email {

? ?email_from sns-lvs@gmail.com

? ?smtp_server 127.0.0.1

? ?router_id LVS_DEVEL

}

vrrp_instance VI_1 {

? ? state MASTER ? ? #?备份服务器上将MASTER改为BACKUP

? ? interface eth1

? ? lvs_sync_daemon_inteface eth1

? ? virtual_router_id 51

? ? priority 100 ? ?#?备份服务上将100改为90

? ? advert_int 1

? ? authentication {

? ? ? ? auth_type PASS

? ? ? ? auth_pass 1111

? ? }

? ? virtual_ipaddress {

? ? ? ? 10.27.0.40

? ? }

}

virtual_server 10.27.0.40 5222 {

? ? delay_loop 6

? ? lb_algo wrr

? ? lb_kind DR

? ? persistence_timeout 60

? ? protocol TCP

? ? real_server 10.27.0.34 5222 {

? ? ? ? weight 3

? ? ? ? TCP_CHECK {

? ? ? ? connect_timeout 10

? ? ? ? nb_get_retry 3

? ? ? ? delay_before_retry 3

? ? ? ? connect_port 5222

? ? ? ? }

? ? }

? ? real_server 10.27.0.36 5222 {

? ? ? ? weight 3

? ? ? ? TCP_CHECK {

? ? ? ? connect_timeout 10

? ? ? ? nb_get_retry 3

? ? ? ? delay_before_retry 3

? ? ? ? connect_port 5222

? ? ? ? }

? ? ?}

}

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# service keepalived start ?# 启动lvs

# ip add ? # 查看lvs状况

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LVS+Keepalived负载均衡架构筹建
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?2 ?34和36机器上的配置

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# cd /opt

# vi?lvs_real.sh

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cription: Config realserver

#Written by : http://kerry.blog.51cto.com

SNS_VIP=10.27.0.40

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

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case "$1" in

start)

? ? ? ?/sbin/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"

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? ? ? ?;;

stop)

? ? ? ?/sbin/ifconfig lo:0 down

? ? ? ?/sbin/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

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exit 0

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# chmod a+x?lvs_real.sh?

# ./lvs_real.sh start

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