服务端：
停止iptables防火墙
[root@nfs-server ~]# service iptables stop
iptables: Flushing firewall rules: [ OK ]
iptables: Setting chains to policy ACCEPT: filter [ OK ]
iptables: Unloading modules: [ OK ]
配置 iptables开机不启动
[root@nfs-server ~]# chkconfig iptables off
[root@nfs-server ~]# chkconfig iptables --list
iptables 0:off 1:off 2:off 3:off 4:off 5:off 6:off
[root@nfs-server ~]#
查看nfs软件包是否安装（服务端、客户端均操作）
[root@nfs-server ~]#
[root@nfs-server ~]# rpm -qa |grep nfs
nfs-utils-1.2.3-39.el6.x86_64
nfs4-acl-tools-0.3.3-6.el6.x86_64
nfs-utils-lib-1.1.5-6.el6.x86_64
[root@nfs-server ~]#
磁盘分区：
[root@nfs-server ~]# fdisk -l
Disk /dev/sda: 53.7 GB, 53687091200 bytes
255 heads, 63 sectors/track, 6527 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00029ef0
Device Boot Start End Blocks Id System
/dev/sda1 * 1 64 512000 83 Linux
Partition 1 does not end on cylinder boundary.
/dev/sda2 64 1109 8388608 82 Linux swap / Solaris
/dev/sda3 1109 6528 43527168 83 Linux
Disk /dev/sdb: 107.4 GB, 107374182400 bytes
255 heads, 63 sectors/track, 13054 cylinders
Units = cylinders of 16065 * 512 = 8225280 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
Disk identifier: 0x00000000
[root@nfs-server ~]# fdisk /dev/sdb
Device contains neither a valid DOS partition table, nor Sun, SGI or OSF disklabel
Building a new DOS disklabel with disk identifier 0x0f0318e3.
Changes will remain in memory only, until you decide to write them.
After that, of course, the previous content won't be recoverable.
Warning: invalid flag 0x0000 of partition table 4 will be corrected by w(rite)
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c') and change display units to
sectors (command 'u').
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First cylinder (1-13054, default 1):
Using default value 1
Last cylinder, +cylinders or +size{K,M,G} (1-13054, default 13054):
Using default value 13054
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
Syncing disks.
[root@nfs-server ~]#
格式化文件系统：
[root@nfs-server ~]# mkfs.ext4 /dev/sdb1
mke2fs 1.41.12 (17-May-2010)
Filesystem label=
OS type: Linux
Block size=4096 (log=2)
Fragment size=4096 (log=2)
Stride=0 blocks, Stripe width=0 blocks
6553600 inodes, 26214055 blocks
1310702 blocks (5.00%) reserved for the super user
First data block=0
Maximum filesystem blocks=4294967296
800 block groups
32768 blocks per group, 32768 fragments per group
8192 inodes per group
Superblock backups stored on blocks:
32768, 98304, 163840, 229376, 294912, 819200, 884736, 1605632, 2654208,
4096000, 7962624, 11239424, 20480000, 23887872
Writing inode tables: done
Creating journal (32768 blocks): done
Writing superblocks and filesystem accounting information: done
This filesystem will be automatically checked every 39 mounts or
180 days, whichever comes first. Use tune2fs -c or -i to override.
[root@nfs-server ~]#
创建网络共享目录（服务端、客户端均操作）
[root@nfs-server ~]# mkdir -p /sharedata
[root@nfs-server ~]#
Mount文件系统
[root@nfs-server ~]# mount /dev/sdb1 /sharedata/
[root@nfs-server ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 41G 5.2G 34G 14% /
tmpfs 1004M 0 1004M 0% /dev/shm
/dev/sda1 485M 39M 421M 9% /boot
/dev/sdb1 99G 188M 94G 1% /sharedata
[root@nfs-server ~]#
设置开机自动挂接文件系统
[root@nfs-server ~]# vi /etc/fstab
#
# /etc/fstab
# Created by anaconda on Thu Nov 23 14:02:10 2017
#
# Accessible filesystems, by reference, are maintained under '/dev/disk'
# See man pages fstab(5), findfs(8), mount(8) and/or blkid(8) for more info
#
UUID=bdec3845-4891-4ea9-984c-6eb31c67c2f9 / ext4 defaults 1 1
UUID=edf2e581-b41a-4c6a-8c79-df0852e93a11 /boot ext4 defaults 1 2
UUID=dc7767d6-5ac7-4746-bddb-0cf615e8cba5 swap swap defaults 0 0
/dev/sdb1 /sharedata ext4 defaults 0 0
tmpfs /dev/shm tmpfs defaults 0 0
devpts /dev/pts devpts gid=5,mode=620 0 0
sysfs /sys sysfs defaults 0 0
proc /proc proc defaults 0 0
[root@nfs-server ~]#
/sharedata为NFS服务器共享的目录，192.168.81.12为需要访问NFS服务器/sharedata共享目录的客户端服务器的维护IP
[root@nfs-server ~]# vi /etc/exports
/sharedata 192.168.81.12(rw,no_root_squash)
[root@nfs-server ~]#
启动nfs服务（服务端、客户端均操作）
[root@nfs-server ~]# service nfs start
Starting NFS services: [ OK ]
Starting NFS quotas: [ OK ]
Starting NFS mountd: [ OK ]
Stopping RPC idmapd: [ OK ]
Starting RPC idmapd: [ OK ]
Starting NFS daemon: [ OK ]
查看nfs服务状态（服务端、客户端均操作）
[root@nfs-server ~]# service nfs status
rpc.svcgssd is stopped
rpc.mountd (pid 2364) is running...
nfsd (pid 2379 2378 2377 2376 2375 2374 2373 2372) is running...
rpc.rquotad (pid 2360) is running...
[root@nfs-server ~]#
设置nfs开机自启动（服务端、客户端均操作）
[root@nfs-server ~]#
[root@nfs-server ~]# chkconfig nfs on
[root@nfs-server ~]#
[root@nfs-server ~]# chkconfig nfs --list
nfs 0:off 1:off 2:on 3:on 4:on 5:on 6:off
[root@nfs-server ~]#
使nfs服务器重新读取exports文件中的设置
[root@nfs-server ~]#
[root@nfs-server ~]# exportfs -rv
exporting 192.168.81.12:/sharedata
[root@nfs-server ~]#
查看nfs共享情况（说明：192.168.81.11为NFS服务器的维护IP）
[root@nfs-server ~]#
[root@nfs-server ~]# showmount -e 192.168.81.11
Export list for 192.168.81.11:
/sharedata 192.168.81.12
[root@nfs-server ~]#
[root@nfs-server ~]#
在所有的服务器上修改vim /etc/selinux/config，设置SELINUX=disabled （服务端、客户端均操作）
[root@nfs-client ~]# vi /etc/selinux/config
# This file controls the state of SELinux on the system.
# SELINUX= can take one of these three values:
# enforcing - SELinux security policy is enforced.
# permissive - SELinux prints warnings instead of enforcing.
# disabled - No SELinux policy is loaded.
SELINUX=disabled
#SELINUX=enforcing
# SELINUXTYPE= can take one of these two values:
# targeted - Targeted processes are protected,
# mls - Multi Level Security protection.
SELINUXTYPE=targeted
[root@nfs-client ~]#
NFS客户端设置
在客户端服务器上查看NFS服务器nfs共享情况
[root@nfs-client ~]#
[root@nfs-client ~]# showmount -e 192.168.81.11
Export list for 192.168.81.11:
/sharedata 192.168.81.12
[root@nfs-client ~]#
[root@nfs-client ~]#
[root@nfs-client ~]# showmount -e 192.168.81.12
Export list for 192.168.81.12:
[root@nfs-client ~]#
修改/etc/sysconfig/autofs,将BROWSE_MODE改为yes ,其它保持默认即可
[root@nfs-client ~]# vi /etc/sysconfig/autofs
…………………………省略…………………………………………………………
#MOUNT_WAIT=-1
#
# UMOUNT_WAIT - time to wait for a response from umount(8).
#
#UMOUNT_WAIT=12
#
# BROWSE_MODE - maps are browsable by default.
#
BROWSE_MODE="yes"
#
# MOUNT_NFS_DEFAULT_PROTOCOL - specify the default protocol used by
# mount.nfs(8). Since we can't identify
# the default automatically we need to
# set it in our configuration.
#
…………………………省略…………………………………………………………
修改/etc/auto.master文件；注释掉：/misc /etc/auto.misc；增加：/sharedata /etc/auto.misc --timeout=10
[root@nfs-client ~]# cat /etc/auto.master
#
# Sample auto.master file
# This is an automounter map and it has the following format
# key [ -mount-options-separated-by-comma ] location
# For details of the format look at autofs(5).
#
#/misc /etc/auto.misc
/sharedata /etc/auto.misc --timeout=10
#
# NOTE: mounts done from a hosts map will be mounted with the
# "nosuid" and "nodev" options unless the "suid" and "dev"
# options are explicitly given.
#
/net -hosts
#
# Include central master map if it can be found using
# nsswitch sources.
#
# Note that if there are entries for /net or /misc (as
# above) in the included master map any keys that are the
# same will not be seen as the first read key seen takes
# precedence.
#
+auto.master
[root@nfs-client ~]#
修改/etc/auto.misc
在客户端上修改/etc/auto.misc文件，注释掉：cd -fstype=iso9660,ro,nosuid,nodev :/dev/cdrom，增加：sharedata -rw,soft,intr 192.168.81.11:/sharedata，其中192.168.81.11为nfs服务端IP地址
[root@nfs-client ~]# cat /etc/auto.misc
#
# This is an automounter map and it has the following format
# key [ -mount-options-separated-by-comma ] location
# Details may be found in the autofs(5) manpage
#cd -fstype=iso9660,ro,nosuid,nodev :/dev/cdrom
sharedata -rw,soft,intr 192.168.81.11:/sharedata
# the following entries are samples to pique your imagination
#linux -ro,soft,intr ftp.example.org:/pub/linux
#boot -fstype=ext2 :/dev/hda1
#floppy -fstype=auto :/dev/fd0
#floppy -fstype=ext2 :/dev/fd0
#e2floppy -fstype=ext2 :/dev/fd0
#jaz -fstype=ext2 :/dev/sdc1
#removable -fstype=ext2 :/dev/hdd
[root@nfs-client ~]#
测试NFS客户端连接NFS服务端
在客户端服务器上执行如下命令mount NFS服务端共享的文件系统
[root@nfs-client ~] mount 192.168.81.11:/sharedata /sharedata
[root@nfs-client ~]#
[root@nfs-client ~]# df -h
Filesystem Size Used Avail Use% Mounted on
/dev/sda3 45G 4.0G 39G 10% /
tmpfs 927M 72K 927M 1% /dev/shm
/dev/sda1 485M 39M 422M 9% /boot
192.168.81.11:/sharedata 99G 188M 94G 1% /sharedata
[root@nfs-client ~]#
[root@nfs-client ~]#
在客户端服务器上拷贝一个文件到/sharedata目录下，然后在NFS服务器上，进入
/sharedata目录，查看拷贝的文件是否在/sharedata 目录下，如果存在，说明配置成功
[root@nfs-client ~]# cp -r /etc/hosts /sharedata/
[root@nfs-client ~]# cp -r /etc/hosts.allow /sharedata/
[root@nfs-client ~]#
[root@nfs-client ~]# ls -lsa /sharedata/
total 32
4 drwxr-xr-x. 3 root root 4096 Dec 14 10:32 .
4 dr-xr-xr-x. 27 root root 4096 Dec 14 09:51 ..
4 -rw-r--r--. 1 root root 158 Dec 14 09:56 hosts
4 -rw-r--r--. 1 root root 370 Dec 14 10:33 hosts.allow
16 drwx------. 2 root root 16384 Dec 14 09:36 lost+found
[root@nfs-client ~]#
[root@nfs-client ~]#
服务端查看：
[root@nfs-server sharedata]# ls -lsa /sharedata/
total 32
4 drwxr-xr-x. 3 root root 4096 Dec 14 10:32 .
4 dr-xr-xr-x. 29 root root 4096 Dec 14 09:37 ..
4 -rw-r--r--. 1 root root 158 Dec 14 09:56 hosts
4 -rw-r--r--. 1 root root 370 Dec 14 10:33 hosts.allow
16 drwx------. 2 root root 16384 Dec 14 09:36 lost+found
[root@nfs-server sharedata]#
[root@nfs-server sharedata]#