CentOS 6
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Configure NFS Client (CentOS)
2015/01/10
 
Configure NFS Client. This example is based on the environment below. 
+----------------------+          |          +----------------------+
| [    NFS Server    ] |10.0.0.30 | 10.0.0.31| [    NFS Client    ] |
|     dlp.srv.world    +----------+----------+     www.srv.world    |
|                      |                     |                      |
+----------------------+                     +----------------------+
[1] Configure NFS Client.
[root@www ~]#
yum -y install nfs-utils
[root@www ~]#
vi /etc/idmapd.conf
# line 5: uncomment and change to your domain name

Domain =
srv.world
[root@www ~]#
/etc/rc.d/init.d/rpcbind start 

Starting rpcbind:                        [  OK  ]
[root@www ~]#
/etc/rc.d/init.d/netfs start 

Mounting filesystems:                    [  OK  ]
[root@www ~]#
chkconfig rpcbind on

[root@www ~]#
chkconfig netfs on
[root@www ~]#
mount -t nfs dlp.srv.world:/home /home

[root@www ~]#
df -hT 

Filesystem             Type   Size  Used Avail Use% Mounted on
/dev/mapper/VolGroup-lv_root
                       ext4    16G  1.3G   14G   9% /
tmpfs                  tmpfs  939M     0  939M   0% /dev/shm
/dev/vda1              ext4   477M  117M  335M  26% /boot
dlp.srv.world:/home nfs     16G  1.3G   14G   9% /home
# /home from NFS server is mounted
[2] Configure NFS mounting on fstab to mount it when the system boots.
[root@www ~]#
vi /etc/fstab 
/dev/mapper/VolGroup-lv_root /                  ext4    defaults        1 1
UUID=3d3f19a1-582f-4a29-a304-349750094b2c /boot ext4    defaults        1 2
/dev/mapper/VolGroup-lv_swap swap               swap    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
# add like follows

dlp.srv.world:/home  /home                   nfs     defaults        0 0
[3] Configure auto-mounting.
For example, set NFS directory on /mntdir.
[root@www ~]#
yum -y install autofs
[root@www ~]#
vi /etc/auto.master
# add follows to the end

/-    /etc/auto.mount
[root@www ~]#
vi /etc/auto.mount
# create new : [mount point] [option] [location]

/mntdir -fstype=nfs,rw  dlp.srv.world:/home
[root@www ~]#
mkdir /mntdir

[root@www ~]#
/etc/rc.d/init.d/autofs start

[root@www ~]#
chkconfig autofs on

# move to the mount point to make sure it normally mounted

[root@www ~]#
cd /mntdir

[root@www mntdir]#
ll 

total 4
drwx------ 2 cent cent 4096 Apr 12  2012 cent
[root@www mntdir]#
cat /proc/mounts | grep mntdir

/etc/auto.mount /mntdir autofs rw,relatime,fd=19,pgrp=1183,timeout=300,minproto=5,maxproto=5,direct 0 0
dlp.srv.world:/home/ /mntdir nfs4 rw,relatime,vers=4,rsize=262144,wsize=262144,namlen=255,hard,proto=tcp,
port=0,timeo=600,retrans=2,sec=sys,clientaddr=10.0.0.31,minorversion=0,local_lock=none,addr=10.0.0.30 0 0
 
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