注明：所有软件已经下载好，防火墙和SELinux已经全部关闭
一.搭建NFS
1.服务端
1.创建文件
root@nfs \~\]# mkdir -p /nfs/data 2、修改权限 \[root@nfs \~\]# chmod o+rw /nfs/data 3、写配置文件 \[root@nfs \~\]# cat /etc/exports /nfs/data 192.168.111.118(rw) /nfs/data 192.168.111.119(rw) 4、重启服务 \[root@nfs \~\]# systemctl restart nfs-server 5、暴露文件 \[root@nfs data\]# showmount -e 192.168.111.120 Export list for 192.168.111.120: /nfs/data (everyone)
2、客户端
RS1
1.创建挂载目录
root@rs1 \~\]# mkdivar/www/haha 2、将创建的目录挂载到服务端的共享目录 \[root@rs1 \~\]# mount -t nfs 192.168.111.120:/nfs/data /var/www 3、查看是否挂载成功 \[root@rs1 \~\]# df /var/www Filesystem 1K-blocks Used Available Use% Mounted on 192.168.111.120:/nfs/data 47202304 2063616 45138688 5% /varvar/www RS2 1.创建挂载目录 \[root@rs2 \~\]# mkdir -p /var/www/xixi 2、将创建的目录挂载到服务端的共享目录 \[root@rs2 \~\]# mount -t nfs 192.168.111.120:/nfs/data /var/www 3、查看是否挂载成功 \[root@rs2 nfs\]# df /var/www Filesystem 1K-blocks Used Available Use% Mounted on 192.168.111.120:/nfs/data 47202304 2063616 45138688 5% /var/www
二、搭建nginx服务
RS1
1.写nginx的配置文件
root@rs1 \~\]# cat /etc/nginx/conf.d/haha.conf server { server_name 192.168.111.118; root /var/www/haha; access_log /var/log/nginx/hehe_access.log; error_log /var/log/nginx/hehe_error.log; } 2.在NFS里面写入nginx的页面 \[root@nfs \~\]# echo "welcome rs1" \> /nfs/data/haha/index.html 3.重启服务 \[root@rs1 \~\]# systemctl restart nginx 4.测试服务 \[root@rs1 \~\]# curl 192.168.111.118 welcome rs1
RS2
1.写nginx的配置文件
root@rs2 \~\]# cat /etc/nginx/conf.d/xixi.conf server { server_name 192.168.111.119; root /var/www/xixi; access_log /var/log/nginx/xixi_access.log; error_log /var/log/nginx/xixi_error.log; } 2.在NFS里面写入nginx的页面 \[root@nfs \~\]# echo "welcome rs2" \> /nfs/data/xixi/index.html 3.重启服务 \[root@rs2 \~\]# systemctl restart nginx 4.测试服务 \[root@rs2 \~\]# curl 192.168.111.119 welcome rs2
三、搭建keepalived+lvs服务
master
1.修改keepalived的配置文件
root@lvs-master \~\]# ipvsadm-save -n \> /etc/sysconfig/ipvsadm \[root@lvs-master \~\]# cat /etc/keepalived/keepalived.conf global_defs { router_id lvs_master } vrrp_instance VI_1 { state MASTER interface ens160 virtual_router_id 51 priority 100 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.111.100 } } #配置lvs,需要指定VIP地址 virtual_server 192.168.111.100 80 { delay_loop 6 #健康检查时间间隔，时间为秒 lb_algo wrr #负载均衡的算法，rr表示轮询，wrr表示带权轮询 lb_kind DR #负载均衡的模式，此处为DR 支持的模式有DR\|NAT\|TUN persistence_timeout 50 #持久化时间，默认为秒。 protocol TCP #负载均衡协议 real_server 192.168.111.118 80 { weight 3 #权重 TCP_CHECK { #检查 connect_timeout 3 #连接时间，单位为秒 retry 3 #重试次数 delay_before_retry 3 #重试间隔时间 } } real_server 192.168.111.119 80 { weight 1 TCP_CHECK { url { connect_timeout 3 retry 3 delay_before_retry 3 } } } backup 1.修改配置文件 \[root@lvs-backup \~\]# ipvsadm-save -n \> /etc/sysconfig/ipvsadm \[root@lvs-backup \~\]# cat /etc/keepalived/keepalived.conf global_defs { router_id lvs_backup } vrrp_instance VI_1 { state BACKUP interface ens160 virtual_router_id 51 priority 90 advert_int 1 authentication { auth_type PASS auth_pass 1111 } virtual_ipaddress { 192.168.111.100 } } virtual_server 192.168.111.100 80 { delay_loop 6 lb_algo wrr lb_kind DR persistence_timeout 50 protocol TCP real_server 192.168.111.118 80 { weight 3 TCP_CHECK { url { connect_timeout 3 retry 3 delay_before_retry 3 } } real_server 192.168.111.119 80 { weight 1 TCP_CHECK { url { connect_timeout 3 retry 3 delay_before_retry 3 } } } 2.启动两台服务器 \[root@lvs-master \~\]# systemctl restart keepalived.service ipvsadm.service \[root@lvs-backup \~\]# systemctl restart keepalived.service ipvsadm.service 3.查看配置规则 \[root@lvs-master \~\]# ipvsadm IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -\> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP lvs-master:http wrr persistent 50 -\> 192.168.111.118:http Route 3 0 0 -\> 192.168.111.119:http Route 1 0 1 \[root@lvs-backup \~\]# ipvsadm -ln IP Virtual Server version 1.2.1 (size=4096) Prot LocalAddress:Port Scheduler Flags -\> RemoteAddress:Port Forward Weight ActiveConn InActConn TCP 192.168.111.100:80 wrr persistent 50 -\> 192.168.111.118:80 Route 3 0 0 -\> 192.168.111.119:80 Route 1 0 0
四、修改RS服务
1、为两台 RS 服务器配置 VIP
root@rs1 \~\]# ifconfig lo:1 192.168.111.100 netmask 255.255.255.255 broadcast 192.168.111.100 up \[root@rs2 \~\]# ifconfig lo:1 192.168.111.100 netmask 255.255.255.255 broadcast 192.168.111.100 up 2、配置核心参数。 \[root@rs1 \~\]# sysctl -p net.ipv4.conf.all.arp_ignore = 1 net.ipv4.conf.lo.arp_ignore = 1 net.ipv4.conf.all.arp_announce = 2 net.ipv4.conf.lo.arp_announce = 2 net.ipv4.ip_forward = 0 \[root@rs2 \~\]# sysctl -p net.ipv4.conf.all.arp_ignore = 1 net.ipv4.conf.lo.arp_ignore = 1 net.ipv4.conf.all.arp_announce = 2 net.ipv4.conf.lo.arp_announce = 2 net.ipv4.ip_forward = 0 3、配置路由 \[root@rs1 \~\]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.111.2 0.0.0.0 UG 100 0 0 ens160 192.168.111.0 0.0.0.0 255.255.255.0 U 100 0 0 ens160 192.168.111.100 0.0.0.0 255.255.255.255 UH 0 0 0 lo \[root@rs2 \~\]# route add -host 192.168.111.100 dev lo:1 \[root@rs2 \~\]# \[root@rs2 \~\]# \[root@rs2 \~\]# route -n Kernel IP routing table Destination Gateway Genmask Flags Metric Ref Use Iface 0.0.0.0 192.168.111.2 0.0.0.0 UG 100 0 0 ens160 192.168.111.0 0.0.0.0 255.255.255.0 U 100 0 0 ens160 192.168.111.100 0.0.0.0 255.255.255.255 UH 0 0 0 lo
五、测试
