服務端：

停止iptables防火牆

[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開機不啟動

[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 ~]#

檢視nfs軟體包是否安裝（服務端、客戶端均操作）

[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 ~]#

磁碟分割槽：

[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 ~]#

格式化檔案系統：

[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 ~]#

建立網路共享目錄（服務端、客戶端均操作）

[root@nfs-server ~]# mkdir -p /sharedata

[root@nfs-server ~]#

Mount檔案系統

[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 ~]#

設定開機自動掛接檔案系統

[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為NFS伺服器共享的目錄，192.168.81.12為需要訪問NFS伺服器/sharedata共享目錄的客戶端伺服器的維護IP

[root@nfs-server ~]# vi /etc/exports

/sharedata 192.168.81.12(rw,no_root_squash)

[root@nfs-server ~]#

啟動nfs服務（服務端、客戶端均操作）

[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 ]

檢視nfs服務狀態（服務端、客戶端均操作）

[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 ~]#

設定nfs開機自啟動（服務端、客戶端均操作）

[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伺服器重新讀取exports檔案中的設定

[root@nfs-server ~]#

[root@nfs-server ~]# exportfs -rv

exporting 192.168.81.12:/sharedata

[root@nfs-server ~]#

檢視nfs共享情況（說明：192.168.81.11為NFS伺服器的維護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 ~]#

在所有的伺服器上修改vim /etc/selinux/config，設定SELINUX=disabled （服務端、客戶端均操作）

[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客戶端設定

在客戶端伺服器上檢視NFS伺服器nfs共享情況

[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 ~]# showmount -e 192.168.81.12

Export list for 192.168.81.12:

[root@nfs-client ~]#

修改/etc/sysconfig/autofs,將BROWSE_MODE改為yes ,其它保持預設即可

[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檔案；註釋掉：/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

在客戶端上修改/etc/auto.misc檔案，註釋掉：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為nfs服務端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 ~]#

測試NFS客戶端連線NFS服務端

在客戶端伺服器上執行如下命令mount NFS服務端共享的檔案系統

[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 ~]#

在客戶端伺服器上複製一個檔案到/sharedata目錄下，然後在NFS伺服器上，進入

/sharedata目錄，檢視複製的檔案是否在/sharedata 目錄下，如果存在，說明配置成功

[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 ~]#

服務端檢視：

[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]#

NfS網路共享檔案系統環境搭建

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