linux cluster

作者佚名技术来源 Linux系统浏览发布时间 2012-05-16

一、LVS--NAT configuration 1、ENV OS:RedHat AS3 Packeage:ipvsadm-1.21-9.ipvs108.i386.rpm 2、system architecture director server:10.64.20.112 eth0 VIP:10.64.20.113 eth1 or eth0:0 real server1:10.64.20.110 eth0 real server2:10.64.20.111 eth0 all netmask 255.255.255.0 3. director server configuration: #install ipvsadm rom -ivh ipvsadm-1.21-9.ipvs108.i386.rpm #confiigure ip forward and redirects echo "1" >/proc/sys/net/ipv4/ip_forward ifconfig eth0 10.64.20.112 #configure VIP address sbin/ifconfig eth1 10.64.20.113 #configre ipvsadm ipvsadm -C ipvsadm -A -t 10.64.20.113:http -s rr ipvsadm -a -t 10.64.20.113:http -r 10.64.20.111 -m ipvsadm -a -t 10.64.20.113:http -r 10.64.20.110 -m 4. real server1 config #configure ip ifconfig eth0: 10.64.20.110 ifconfig gw:10.64.20.112 5. real server2 config #configure ip ifconfig eth0: 10.64.20.111 ifconfig gw:10.64.20.112 二、LVS--DR configuration 1、ENV OS:RedHat AS3 Packeage:ipvsadm-1.21-9.ipvs108.i386.rpm 2、system architecture director server:10.64.20.112 real server1:10.64.20.110 real server2:10.64.20.111 VIP:10.64.20.113 real server1 and 2 Ip address are configured . eth0 we first assume all servers are finished installed. 3. director server configuration: #install ipvsadm rom -ivh ipvsadm-1.21-9.ipvs108.i386.rpm #confiigure ip forward and redirects

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echo "0" >/proc/sys/net/ipv4/ip_forward echo "1" >/proc/sys/net/ipv4/conf/default/send_redirects echo "1" >/proc/sys/net/ipv4/conf/lo/send_redirects #configure VIP address /sbin/ifconfig eth0:0 10.64.20.113 broadcast 10.64.20.113 netmask 255.255.255.255 up /sbin/route add -host 10.64.20.113 dev eth0:0 #configre ipvsadm ipvsadm -C ipvsadm -A -t 10.64.20.113:http -s rr ipvsadm -a -t 10.64.20.113:http -r 10.64.20.111 -g -w 1 ipvsadm -a -t 10.64.20.113:http -r 10.64.20.110 -g -w 1 4. real server1 config #configure ip forward echo "0" >/proc/sys/net/ipv4/ip_forward #configure VIP . realserver and route /sbin/ifconfig lo:0 10.64.20.113 broadcast 10.64.20.113 netmask 255.255.255.255 up /sbin/route add -host 10.64.20.113 dev lo:0 #hidden arp request arptables -A IN -d 10.64.20.113 -j DROP arptables -A OUT -o lo -d 10.64.20.113 -j mangle --mangle-ip-s 10.64.20.113 arptables -A OUT -o eth0 -d 10.64.20.113 -j mangle --mangle-ip-s 10.64.20.110 arptables -A OUT -o eth1 -d 10.64.20.113 -j mangle --mangle-ip-s <real_ip_on_eth1> (if you have eth1 connect to network) Windows系统　　对于Windows系统的服务器,只要添加一个Loopback的网卡,IP地址设置成虚拟IP(10.64.20.113),子网掩码设置成255.255.255.255,网关地址留空Windows子网掩码无法配置成255.255.255.255,我们可以先按默认的保存配置,然后从注册表修改子网掩码. 　　　从注册表 [HKEY_LOCAL_MACHINESYSTEMCurrentControlSetServicesTcpipParametersInterfaces]下找到对应的网卡,将SubnetMask修改成255.255.255.255.然后禁用再启用该网卡即可.

Empire CMS,phome.net

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