群集-ldirector-055
Heartbeat-lddirectord自动探测
不需要ipvsadm规则了
Heartbeat的haresource配置文件在两台director服务器上必须是同步的
使用ldirecrot软件实现管理director和ipvs的连接，不需要再写ipvsadm规则
55-1
Director1的配置
[root@director1 ~]# uname -r
2.6.18 -128.el5
[root@director1 ~]# uname -n
director1.test.com
[root@director1 ~]# hostname
director1.test.com
[root@director1 ~]# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost
192.168.2.10 director1.test.com node1
192.168.2.11 director2.test.com node2
192.168.10.1 director1.test.com node1
192.168.10.2 director2.test.com node2
[root@director1 ~]# cat /etc/sysconfig/network
HOSTNAME=director1.test.com
[root@director1 ~]# ifconfig eth0 192.168.2.10
[root@director1 ~]# ifconfig eth1 192.168.10.1
[root@director1 ~]#
需要安装的heartbeat包
[root@director1 ~]# ll soft/
heartbeat- 2.1.4 -11.el5.i386.rpm
heartbeat-devel- 2.1.4 -9.el5.i386.rpm
heartbeat-gui- 2.1.4 -9.el5.i386.rpm
heartbeat-ldirectord- 2.1.4 -9.el5.i386.rpm
heartbeat-pils- 2.1.4 -10.el5.i386.rpm
heartbeat-stonith- 2.1.4 -10.el5.i386.rpm
libnet- 1.1.4 -3.el5.i386.rpm
perl-MailTools-1.77-1.el5.noarch.rpm
[root@director1 soft]# yum install heartbeat- 2.1.4 -11.el5.i386.rpm heartbeat-ldirectord-2.1.4-9.el5.i386.rpm heartbeat-pils-2.1.4-10.el5.i386.rpm heartbeat-stonith-2.1.4-10.el5.i386.rpm libnet-1.1.4-3.el5.i386.rpm perl-MailTools-1.77-1.el5.noarch.rpm -y –nogpgcheck
--生成配置文件
[root@director1 ha.d]# cp /usr/share/doc/heartbeat- 2.1.4 /ha.cf .
[root@director1 ha.d]# cp /usr/share/doc/heartbeat- 2.1.4 /haresources .
[root@director1 ha.d]# cp /usr/share/doc/heartbeat- 2.1.4 /authkeys .
[root@director1 ha.d]# cp /usr/share/doc/heartbeat-ldirectord- 2.1.4 /ldirectord.cf .
[root@director1 ha.d]# vim ha.cf
91 bcast eth1 # Linux
213 node director1.test.com
214 node director2.test.com
--Heartbeat udp协议单播组播广播
--添加验证
[root@director1 ha.d]# dd if=/dev/urandom bs=512 count=1 |openssl md5>>authkeys
[root@director1 ha.d]# vim authkeys
auth 1
1 md5 371779a32d9961694ad6b73e7d1799ab
[root@director1 ha.d]# vim haresources
--设置主director
45 director1.test.com 192.168.2.100 ldirectord::ldirectord.cf
[root@director1 ha.d]# vim ldirectord.cf
checktimeout=3
checkinterval=1
#fallback=127.0.0.1:80 ---最好自身的web改为其他端口。避免冲突
autoreload=yes
#logfile="/var/log/ldirectord.log"
#logfile="local0"
#emailalert="[email protected]"
#emailalertfreq=3600
#emailalertstatus=all
quiescent=yes --如果是no，自动删除失效的ipvsadm规则
# Sample for an http virtual service
virtual=192.168.2.100:80
real=192.168.2.20:80 gate
real=192.168.2.30:80 gate
#fallback=127.0.0.1:80 gate
service=http
request=".test.html"
receive="ok"
#virtualhost=some.domain.com.au
scheduler=rr
#persistent=600
#netmask=255.255.255.255
protocol=tcp
checktype=negotiate
checkport=80
[root@director1 ha.d]# yum install ipvsadm –y
[root@director1 ha.d]# stonith –L –stonith的机制
--在linux本身自带的是fens机制
director2 的配置
[root@director2 ~]# uname -n
director2.test.com
[root@director2 ~]# cat /etc/hosts
127.0.0.1 localhost.localdomain localhost
::1 localhost6.localdomain6 localhost
192.168.2.10 director1.test.com node1
192.168.2.11 director2.test.com node2
192.168.10.1 director1.test.com node1
192.168.10.2 director2.test.com node2
[root@director2 ~]# cat /etc/sysconfig/network
HOSTNAME=director2.test.com
[root@director1 lwy]# scp /root/soft/* node2:/root/lwy/
[root@director1 ha.d]# cd /root/lwy/
[root@director2 lwy]# yum localinstall heartbeat- 2.1.4 -11.el5.i386.rpm heartbeat-ldirectord-2.1.4-9.el5.i386.rpm heartbeat-stonith-2.1.4-10.el5.i386.rpm heartbeat-pils-2.1.4-10.el5.i386.rpm libnet-1.1.4-3.el5.i386.rpm perl-MailTools-1.77-1.el5.noarch.rpm -y –-nogpgcheck
[root@director1 ha.d]# scp ha.cf haresources authkeys ldirectord.cf node2:/etc/ha.d
root@node2's password:
ha.cf 100% 10KB 10.3KB/s 00:00
haresources 100% 5964 5.8KB/s 00:00
authkeys 100% 691 0.7KB/s 00:00
ldirectord.cf 100% 7657 7.5KB/s 00:00
开启heartbeat服务：
Ipvsadm是heartbeat调用启动的，需要检查是否关闭
[root@director2 ha.d]# service ipvsadm stop
Clearing the current IPVS table: [ OK ]
[root@director2 ha.d]#
[root@director1 ha.d]# service ipvsadm stop
Clearing the current IPVS table: [ OK ]
[root@director1 ha.d]#
[root@director1 ha.d]# service heartbeat start
Starting High-Availability services:
2011/10/14 _01:03:36 INFO: Resource is stopped
[ OK ]
[root@director2 ha.d]# service heartbeat start
[root@director1 ha.d]# ipvsadm -Ln
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.2.100:80 rr
-> 192.168.2.20:80 Route 0 0 0
-> 192.168.2.30:80 Route 0 0 0
Server的配置
[root@server ~]# ifconfig eth0 192.168.2.20
[root@server ~]# ifconfig lo:0 192.168.2.100 netmask 255.255.255.255
[root@server ~]# route add -host 192.168.2.100 dev lo:0
[root@server ~]# route -n
[root@server ~]# sysctl -a |grep anno |head -3 >>/etc/sysctl.conf
[root@server ~]# sysctl -a |grep ignore|tail -2 >>/etc/sysctl.conf
[root@server ~]# vim /etc/sysctl.conf
net.ipv4.ip_forward = 1
net.ipv4.conf.all.arp_announce = 2
net.ipv4.conf.lo.arp_announce = 2
net.ipv4.conf.all.arp_ignore = 1
net.ipv4.conf.lo.arp_ignore = 1
[root@server ~]# sysctl -p
[root@server ~]# yum install httpd
[root@server ~]# vim /var/www/html/index.html
server1 web.
[root@server ~]# vim /var/www/html/.test.html
ok
--测试连接的页面
[root@server ~]# service httpd start
Server2的配置
[root@server2 ~]# ifconfig eth0 192.168.2.30
[root@server2 ~]# ifconfig lo:0 192.168.2.100 netmask 255.255.255.255
[root@server2 ~]# route add -host 192.168.2.100 dev lo:0
[root@server ~]# scp /etc/sysctl.conf 192.168.2.30:/etc/sysctl.conf
[root@server2 ~]# sysctl –p
[root@server2 ~]# vim /var/www/html/index.html
server2 web!
[root@server2 ~]# vim /var/www/html/.test.html
ok
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55-3