网络拓补
Ldirectored服务器配置
系统配置
setenforce 0
service iptables stop
sed –i ‘/ net.ipv4.ip_forward /s/0/1/’ /etc/sysctl.conf
sysctl –p
echo “ldirectored1 192.168.1.1” >>/etc/hosts
echo “ldirectored2 192.168.1.2” >>/etc/hosts
hostname ldirectored1
#另一台 hostname ldirectored2
sed -i ‘/HOSTNAME/s/\=.*$/\= ldirectored1/‘ /etc/sysconfig/network
#另一台 sed -i ‘/HOSTNAME/s/\=.*$/\= ldirectored2/‘ /etc/sysconfig/network
ifconfig eth1 100.0.0.1 netmask 255.0.0.0 up
#另一台 ifconfig eth1 100.0.0.2 netmask 255.0.0.0 up
安装ipvsadm-1.24.tar.gz、libnet.tar.gz和heartbeat-2.1.3.tar.gz
#lvs install
tar zxvf ipvsadm-1.24.tar.gz
cd ipvsadm-1.24
ln -s /usr/src/kernels/2.6.18-92.el5-x86_64/ /usr/src/linux #这里需要注意，不同系统文件名不同
make
make install
cd ../
#heartbeat
tar zxvf libnet.tar.gz
cd libnet
./configure
make
make install
cd ../
tar zxvf heartbeat-2.1.3.tar.gz
cd heartbeat-2.1.3
./ConfigureMe configure
make
make install
groupadd hacluster
groupadd haclient
useradd hacluster -g hacluster
配置lvs和heartbeat
cat <<EOF>>/etc/ha.d/authkeys
auth 3
#1 crc
#2 sha1 HI!
3 md5 Hello!
EOF
chmod 600 /etc/ha.d/authkeys
cat <<EOF>>/etc/ha.d/ha.cf
debugfile /var/log/ha-debug
logfile /var/log/ha-log
logfacility local0
keepalive 1
deadtime 20
warntime 10
udpport 694
bcast eth1
ucast eth1 100.0.0.2 #两台ip不一样,写对方的心跳线ip地址
#另一台 ucast eth1 100.0.0.1
auto_failback off
node ldirectored1
node ldirectored2
EOF
cat <<EOF>>/etc/ha.d/haresources
ldirectored1 IPaddr::192.168.1.100/16/eth0/192.168.1.255 ldirectord::ldirectord.cf.100
#另一台ldirectored2 IPaddr::192.168.1.100/16/eth0/192.168.1.255 ldirectord::ldirectord.cf.100
EOF
cat <<EOF>>/etc/ha.d/ldirectord.cf
checktimeout=3
checkinterval=5
autoreload=yes
quiescent=no
virtual=192.168.1.100:12000
real=192.168.1.3:12000 gate 1
real=192.168.1.4:12000 gate 1
checkport=12000
protocol=tcp
checktype=on
service=none
scheduler=wrr
EOF
启动heartbeat服务
service heartbeat start
realserve服务器配置
setenforce 0
service iptables stop
cat <<EOF>>/etc/sysctl.conf
net.ipv4.conf.lo.arp_ignore = 1
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.all.arp_announce = 2
EOF
sysctl –p
cat <<EOF>/etc/sysconfig/network-scripts/ifcfg-lo:0
DEVICE=lo:0
BOOTPRO=static
ONBOOT=yes
IPADDR=192.168.1.100
NETMASK=255.255.255.255
EOF
ifup lo:0