LVS+Heartbeat
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LVS1和LVS2所完成一样的工作,那么配置脚本也相同。唯一不同的是heartbeat配置文件ha.cf心跳地址不同。
真实的web,mysql,ftp……配置一样
LVS配置
#!/bin/bash
######lvs######
ifconfig eth0:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 dev eth0:0
ipvsadm -C
ipvsadm -A -t 222.90.88.88:80 -s rr
ipvsadm -a -t 222.90.90.88.88:80 -r 222.90.88.10 -g
ipvsadm -a -t 222.90.90.88.88:80 -r 222.90.88.20 -g
ipvsadm
Web配置
#!/bin/bash
######real server######
ifconfig lo:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 dev lo:0
######ipvsadm######
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
操作:
四台LINUX主机(LVS1,LVS2和SEV1,SEV2)
LVS1安装heartbeat
#rpm -ivh heartbeat-pils-2.1.3-3.el5.centos.i386.rpm
#rpm -ivh heartbeat-stonith-2.1.3-3.el5.centos.i386.rpm
#rpm -ivh heartbeat-2.1.3-3.el5.centos.i386.rpm
#rpm -q heartbeat -d(解压文件)
#cd /usr/share/docheartbeat-2.1.3/
#cp authkeys ha.cf haresources /etc/ha.d
#cd /etc/ha.d
#vim authkeys
……
auth 1
1 crc
……
#vim /haresources
……
vip-server1 222.90.88.88 vip.sh(LVS1,vip.sh存放在/etc/init.d[开机时自启])
……
#vim /ha.cf
…….
bcast eth0 #Linux (心跳检测网卡)
…….
ucast eth0 222.90.88.40 (ping LVS2)
…….
node vip-server1 (LVS1机器名)
node vip-server2 (LVS2机器名)
…….
#chmod 600 authkeys
#vim /etc/init.d/vip.sh
#!/bin/sh
ifconfig eth0:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 dev eth0:0
######setup ipvs######
ipvsadm -C
ipvsadm -A -t 222.90.88.88:80 -s rr
ipvsadm -a -t 222.90.88.88:80 -r 222.90.88.10 -g
ipvsadm -a -t 222.90.88.88:80 -r 222.90.88.20 -g
ipvsadm
#chmod 777 vip.sh
#/etc/init.d/vip.sh
LVS2安装heartbeat
#rpm -ivh heartbeat-pils-2.1.3-3.el5.centos.i386.rpm
#rpm -ivh heartbeat-stonith-2.1.3-3.el5.centos.i386.rpm
#rpm -ivh heartbeat-2.1.3-3.el5.centos.i386.rpm
#rpm -q heartbeat -d(解压文件)
#cd /usr/share/docheartbeat-2.1.3/
#cp authkeys ha.cf haresources /etc/ha.d
#cd /etc/ha.d
#vim authkeys
……
auth 1
1 crc
……
#vim /haresources
……
vip-server1 222.90.88.88 vip.sh(LVS1,vip.sh存放在/etc/init.d[开机时自启])
……
#vim /ha.cf
…….
bcast eth0 #Linux (心跳检测网卡)
…….
ucast eth0 222.90.88.30 (ping LVS1)
…….
node vip-server1 (LVS1机器名)
node vip-server2 (LVS2机器名)
…….
#chmod 600 authkeys
#vim /etc/init.d/vip.sh
#!/bin/sh
ifconfig eth0:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 dev eth0:0
######setup ipvs######
ipvsadm -C
ipvsadm -A -t 222.90.88.88:80 -s rr
ipvsadm -a -t 222.90.88.88:80 -r 222.90.88.10 -g
ipvsadm -a -t 222.90.88.88:80 -r 222.90.88.20 -g
ipvsadm
#chmod 777 vip.sh
#/etc/init.d/vip.sh
SER1操作
#vim /etc/init.d/lvs.sh
#!/bin/sh
######realserver######
ifconfig lo:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 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
#vim /var/www/html/index.html
this is SER1
#service httpd start
SER2操作
#vim /etc/init.d/lvs.sh
#!/bin/sh
######realserver######
ifconfig lo:0 222.90.88.88 broadcast 222.90.88.88 netmask 255.255.255.255 up
route add -host 222.90.88.88 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
#vim /var/www/html/index.html
this is SER2
#service httpd start
测试故障状态
LVS2heartbeat停止,LVS1正常;SER1,SER2正常
LVS1 heartbeat停止,LVS2正常;SER1,SER2正常
LVS1正常,LVS2正常;SER1不正常,SER2正常
LVS1正常,LVS2正常;SER1正常,SER2不正常
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