NAS-Server-0    IP:192.168.254.10

Web-Server-1    IP:192.168.254.11

Web-Server-2    IP:192.168.254.12

Web-Server-3    IP:192.168.254.13

并且再hosts文件中添加解析

vim /etc/hosts

192.168.254.10  nas

192.168.254.11  server-1

192.168.254.12  server-2

192.168.254.13  server-3

[root@server-1 ~]# yum -y install httpd nfs-utils

[root@server-2 ~]# yum -y install httpd nfs-utils

[root@server-3 ~]# yum -y install httpd nfs-utils

[root@server-1 ~]# echo "Web-1" > /var/www/html/index.html

[root@server-2 ~]# echo "Web-2" > /var/www/html/index.html

[root@server-3 ~]# echo "Web-3" > /var/www/html/index.html

[root@server-1 ~]# systemctl enable httpd;systemctl start httpd

[root@server-2 ~]# systemctl enable httpd;systemctl start httpd

[root@server-3 ~]# systemctl enable httpd;systemctl start httpd

[root@nas ~]# yum -y install nfs-utils

[root@nas ~]# mkdir /webdata

[root@nas ~]# echo "nsf_test ..." > /webdata/index.html   --创建一个网页

[root@nas ~]# vim /etc/exports

/webdata    192.168.254.0/24(rw,no_root_squash) 不压制root权限

​

说明:

rw:读写

no_root_squash: 不对root权限进行降级

[root@nas ~]# systemctl start nfs-server

[root@nas ~]# systemctl enable nfs-server       --创建开机自动启动

[root@nas ~]# exportfs -v    --查看当前的共享

/webdata        192.168.254.0/24(sync,wdelay,hide,no_subtree_check,sec=sys,rw,secure,no_root_squash,no_all_squash)

[root@server-1 ~]# showmount -e nas  --注意!(必须确保每台服务器都添加了hosts解析地址)

Export list for nas:

/webdata 192.168.254.0/24

[root@server-2 ~]# mount -t nfs nas:/webdata /var/www/html  --挂载

[root@server-2 ~]# umount /var/www/html   --取消挂载

[root@server-2 ~]# vim /etc/fstab   ——进入文件后 输入一下文本实现自动挂载

nas:/webdata    /var/www/html   nfs     defaults        0 0

[root@server-2 ~]# mount -a     --更新挂载列表

[root@server-2 ~]# df   --查看

文件系统                   1K-块    已用     可用 已用% 挂载点

nas:/webdata            30385792 3505664 26880128   12% /var/www/html