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 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>
 
Save the export file
 
Check if the file /var/lib/nfs/rmtab does exist, if not, then run the following command
<pre>
touch /var/lib/nfs/rmtab
</pre>
</pre>


Now perform the following command
After saving the exports file, perform the following
<pre>
<pre>
cd /
cd /
/usr/sbin/exportfs -a
/usr/sbin/exportfs -a
</pre>
</pre>
===Testing===
Look at /var/log/messages to check whether the settings are ok with your Synology product




==Instructions for Linux NFS Client==
==Instructions for Linux NFS Client==
On your NFS client, perform the following to mount the NFS Server share
On your NFS client, perform the following to mount the NFS Server share
<pre>
<pre>
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Note: /volume1/local/share/folder must exist locally, otherwise the mount will fail
Note: /volume1/local/share/folder must exist locally, otherwise the mount will fail


<div style="border:1px solid black">
 
'''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.
==Windows Services for UNIX 3.5 Fast Setup Guide==
'''Update: DSM is case-sensitive over NFS since DSM 2.1'''
Note: Originally written by forum user <b>NetBoot</b>
</div>
<br>Note: For Windows Vista Ultimate and Vista Enterprise Only
 
<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 removing the root accounts from those files'''
 
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 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>
/volume1/nfs/public 192.168.0.0/255.255.255.0(ro,no_root_squash,no_subtree_check)
</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.


==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.
[http://www.faqs.org/docs/securing/chap5sec33.html The /etc/exports file]
 
==Additional Resources==
[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.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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