Editing How to enable NFS on the Synology Server

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==Acquire Files==
==Acquire Files==
Please make sure that the Synology product has firmware 2.0.3 - 0518 or above, along with the [[How_to_Enable_Telnet|Telnet service]] or [[How_to_enable_SSH_Service|SSH Service]] enabled. <br>Both files can be found [http://www.synology.com/enu/support/download.php here].
Please make sure that the Synology product has firmware 2.0.3 - 0518 or above, along with the [[How_to_Enable_Telnet|Telnet service]] enabled. <br>Both files can be found [http://www.synology.com/enu/support/download.php here].




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===Enabling Service===
===Enabling Service===
With DSM-5.1 it's already there.
<pre>
<pre>
cd /usr/syno/etc/rc.sysv
cd /usr/syno/etc/rc.d
mv S83nfsd.sh.sample S83****.sh
mv S83nfsd.sh.sample S83****.sh
reboot (or /usr/syno/etc/rc.d/S83****.sh start)
reboot (or /usr/syno/etc/rc.d/S83****.sh start)
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</pre>
</pre>
Note: <nowiki>*</nowiki> needs to be replaced with a number
Note: <nowiki>*</nowiki> needs to be replaced with a number
Note, in newer versions (DSM4), the <code>/usr/syno/etc/rc.d/S83nfsd.sh</code> will already exist. If you try to "<code>start</code>" it, you will get a message telling you that "<code>NFS server is not enabled. Skip...</code>"
You'll need to edit the <code>/etc/synoinfo.conf</code> file and add <code>runnfs="yes"</code>.  Then you'll be able to run <code>/usr/syno/etc/rc.d/S83nfsd.sh start</code>


===Exports file===
===Exports file===
In the exports file, add the following line
In the exports file, add the following line
<pre>
<pre>
/directory/to/export ip.of.NFS.client(ro,root_squash,no_subtree_check)
/directory/to/export ip.of.NFS.client(ro,root_squash)
</pre>
 
After saving the exports file, perform the following
<pre>
cd /
/usr/sbin/exportfs -a
</pre>
</pre>


Save the export file


Check if the file /var/lib/nfs/rmtab does exist, if not, then run the following command
==Instructions for Linux NFS Client==
On your NFS client, perform the following to mount the NFS Server share
<pre>
<pre>
touch /var/lib/nfs/rmtab
mount IP.of.NFS.Server:/directory/to/export /volume1/local/share/folder
</pre>
</pre>
Note: /volume1/local/share/folder must exist locally, otherwise the mount will fail
==Windows Services for UNIX 3.5 Fast Setup Guide==
Notes:
*Originally written by forum user <b>NetBoot</b>
*Only Windows Vista Ultimate, Vista Enterprise and Windows Server 2003 R2, Supports NFS Out of the Box by Selecting Windows Feature on, Subsystem for UNIX-based Applications.
*For other NT-based Operating Systems, Windows 2000, Windows 2000 Server, Windows XP and Windows 2003 Server install the free Windows Services for UNIX 3.5
<br><br>Download and install [http://www.microsoft.com/downloads/details.aspx?FamilyID=896c9688-601b-44f1-81a4-02878ff11778&displaylang=en Windows Services for UNIX Version 3.5]
The install defaults should be fine.
<br>Complete the installation and reboot.
Telnet to your Syno box. We will need a copy of the passwd and group files located in the /etc
<br>Copy the files to a secure directory using the cp command and change the permissions with chmod.
cp /etc/passwd /volume1/secure/passwd
<br>cp /etc/group /volume1/secure/group
<br>chmod 777 /volume1/secure/passwd
<br>chmod 777 /volume1/secure/group
Next, copy passwd and group files to C:\SFU\common\ directory
<br>'''Security Note: You may want to consider changing the file permission for Administrator access only'''
Next, go into you Programs Menu/Windows Services for Unix and start Services for UNIX Administration
Click on Services for UNIX[local]and select the Settings tab.
<br>Computer name should be localhost
Next, in the tree tab, click on Client for NFS
<br>The File Permissions and Performance default settings should be fine.
<br>We may play with these settings later.
Next, in the tree tab, click on User Name Mapping.
<br>In the Configuration tab, where going to use Password and Group files. So, click on that bullet.


Now perform the following command
Now we're going to select the password and group files that we copied over earlier.
 
Browse for the files and select passwd for Password file path and name.
<br>Browse for the files and select group for Group file path and name.
<br>You should now have C:\SFU\common\passwd and C:\SFU\common\group
<br>Now, click on Apply
 
Now click on the Maps tab.
<br>We're going to do simple maps. So, check the simple maps box.
<br>Since we are using simple maps. The Windows Domain Name should default to your computer name.
<br>Now, click on Apply
 
Next, we're going to setup our permissions. Still in the Maps tab, under Advanced maps click on Show User Maps.
<br>Under Windows domain Name click List Windows Users to fetch the Windows users. Next, click on the List UNIX Users to fetch your UNIX users. We're going to map our user account.
<br>Click your windows user name to the left, and your UNIX user name to the right, and click Add.
<br>You should now have a Mapped user account.
<br>Click the Apply.
 
Now telnet to your Syno box and edit the exports file.
<br>Here's a quick sample to get you going
<pre>
<pre>
cd /
/volume1/nfs/public 192.168.0.0/255.255.255.0(ro,no_root_squash,no_subtree_check)
/usr/sbin/exportfs -a
</pre>
</pre>
Your subnet may be different then mine, so adjust for yours.
Happy NFS serving,
Net....
<br>P.S. This is just a fastpace setup. Other may find it better to add the UID and GID with the exports.
<br>NFS and Samba: I would strongly suggest users create a directory for NFS and not use your Samba shares for NFS together. I would create a nfs directory off root and setup your NFS shares there and map your exports in there. ie: /volume1/nfs/public I'm sure there would be file lock issues,etc. Maybe someone who is an expert in NFS and Sambe can verify this.
==Mount a Windows NFS onto the Synology product==
Notes:
*Originally written by forum user <b>NetBoot</b>


===Testing===
Here's a quick example.
Look at /var/log/messages to check whether the settings are ok with your Synology product
<br>On you windows system install SUA or SFU.
<br>Make sure you install option Server for PCNFS
<br>I would reboot afterwards.
<br>Now, create a directory off the root directory on C:


<pre>
example C:\nfsshare
</pre>
<br>Now, share that directory. Right click on it and select sharing. You should have a new tab called NFS Sharing. Click on the bullet, Share this folder and click Apply.


==Instructions for Linux NFS Client==
<br>Telnet to your syno box.
<br>Create a directory for you mount point.
<br>I used /volume1/local
<br>So, make a directory local off volume1
 
<pre>
mkdir /volume1/local
</pre>
<br>Now, let's mount our windows share.
<br>run the command


On your NFS client, perform the following to mount the NFS Server share
<pre>
<pre>
mount IP.of.NFS.Server:/directory/to/export /volume1/local/share/folder
mount 192.168.0.139:/nfsshare /volume1/local
</pre>
</pre>
Note: /volume1/local/share/folder must exist locally, otherwise the mount will fail


<div style="border:1px solid black">
<br>the ip address is my windows pc and nfsshare is the directory I shared
'''Important:''' NFS on the Synology Server is case-'''insensitive''' (as of November 8, 2008; [http://www.synology.com/enu/forum/viewtopic.php?f=3&p=45501 this may change in a later firmware version]). This means if you perform backups by (say) [http://www.samba.org/rsync rsync], and the source directory contains files named "Foo" and "foo", the destination directory will contain only '''one''' of these files, as "Foo" ovewrites "foo" case-insensitively. This behavior happens silently.
<br>/volume1/local is the directory I created on my syno box and is the mount point.
'''Update: DSM is case-sensitive over NFS since DSM 2.1'''
<br>Now, you have a windows nfs share accessable form you syno box.
</div>
 
Note:
*The NFS share on windows is default to read only and no root.
*If you want to read/write, go back to your windows nfs share and change your permissions and access. It's really simple
*Files are accessed on the syno box on /volume1/local
*This won't mount again if you reboot your syno box. Ideally, if you have a Windows server running 24/7. I would use that for you windows nfs sharing and auto mount those shares for your syno box.
*This is just a quick and dirty how to.
 
Net....
 


==Notes==
==Notes==
The NFS Service is disabled after every firmware upgrade.
The NFS Service is disabled after every firmware upgrade.
<br>The NFS mount is not shown in the web interface
<br>Files saved on the Synology server are case-insensitive.  
<br>Files saved on the Synology server are case-insensitive.  
<br>Supported versions:
<br>Supported versions:
:NFS 2.0
:NFS 2.0
:NFS 3.0
:NFS 3.0
:NFS 4.0


== MTU Jumbo frames ==
==External Links==
For some NFS clients (eg. TViX 6500/7000), errors are reported if jumbo frames are enabled. Mounting the NFS is possible: try disabling the jumbo frames setting in the Synology Disk Station Manager -> system -> network.
 
==Additional Resources==
[http://www.synology.com/enu/forum/viewforum.php?f=41 Synology NFS Forum Room]
[http://www.synology.com/enu/forum/viewforum.php?f=41 Synology NFS Forum Room]
<br>[http://www.faqs.org/docs/securing/chap5sec33.html The /etc/exports file]
<br>[http://www.faqs.org/docs/securing/chap5sec33.html The /etc/exports file]
<br>[http://www.redhat.com/docs/manuals/linux/RHL-7.3-Manual/custom-guide/s1-nfs-mount.html Mounting NFS File Systems]
<br>[http://www.redhat.com/docs/manuals/linux/RHL-7.3-Manual/custom-guide/s1-nfs-mount.html Mounting NFS File Systems]
<br>[[Windows Services for UNIX 3.5 Fast Setup Guide]]
<br>[http://www.microsoft.com/downloads/details.aspx?FamilyID=896c9688-601b-44f1-81a4-02878ff11778&displaylang=en Windows Services for UNIX Version 3.5]
<br>[[Export Filesystem as NFS]]
 
[[Category:SynologyWiki]]
[[Category:ToBeExported]]
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