Thursday, August 19, 2010

Setting up an NFS Share on CentOS 5.x

This outlines on how to setup a NFS Client/Server architecture.Used by myself for Moodle to access Datafiles, as I employ multiple webservers.

0. Package Installation

Login as root and install the following packages on NFS Client(s) and NFS Server
yum install nfs-utils nfs4-acl-tools portmap
chkconfig nfs on
chkconfig portmap on
service nfs start
service portmap start

1. Prep NFS Server
export share
nano /etc/exports
add lines like:
/mount/folder 192.168.0.0/255.255.0.0(rw) 10.0.0.0/255.0.0.0(rw)

allow clients to be able to connect.
nano /etc/hosts.allow
add lines like:
portmap: 192.168.0.0/255.255.0.0
add clients to hosts file
nano /etc/hosts
make sure all relevant hosts are listed in the format:
192.168.x.x server1.domain.com.local server1

restart the nfs and portmap service
service nfs restart
service portmap restart
2. Prep the NFS Client(s)
Repeat this step on each NFS client.
Edit the fstab
nano /etc/fstab

adding line:
server.ip.address:/mount/folder /mnt nfs rw,hard,intr 0 0
Mount the share
mount nfshostname:/mount/folder /mnt

restart services
service netfs restart
chkconfig netfs on

3. Test NFS

Create a file from one client, and it should be automatically available on the other clients.
From Client1
echo "This is an NFS Test" > /mnt/file.txt

Cheers,
-n

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