The Services > NFS configuration screen displays settings to customize the TrueNAS NFS service.
You can access it from System Settings > Services screen. Locate NFS and click edit to open the screen, or use the Config Service option on the Unix (NFS) Share widget options menu found on the main Sharing screen.
Select Start Automatically to activate the NFS service when TrueNAS boots.
Figure 1: NFS Service Settings Configuring NFS Service We recommend using the default NFS settings unless you require specific settings.
The System Settings > Services screen includes two icons on the NFS service row:
NFS Sessions opens the NFS Sessions screen. Configure opens the NFS Service screen. The UDP protocol is deprecated and not supported with NFS. It is disabled by default in the Linux kernel. Using UDP over NFS on modern networks (1Gb+) can lead to data corruption caused by fragmentation during high loads.
NFS Service Screen The Services > NFS configuration screen displays settings to customize the TrueNAS NFS service.
About UNIX (NFS) Shares Creating a Network File System (NFS) share on TrueNAS makes a lot of data available for anyone with share access. Depending on the share configuration, it can restrict users to read or write privileges.
NFS treats each dataset as its own file system. When creating the NFS share on the server, the specified dataset is the location that client accesses. If you choose a parent dataset as the NFS file share location, the client cannot access any nested or child datasets beneath the parent.
The SCALE CLI guide is a work in progress! New namespace and command documentation is continually added and maintained, so check back here often to see what is new! NFS Namespace The nfs namespace has five command(s), and is based on share creation and management functions found in the SCALE API and web UI. It provides access to NFS share methods through the nfs commands.
NFS Commands The following nfs commands allow you to create new shares, manage existing shares, get information on NFS shares on the system
Creating a Network File System (NFS) share on TrueNAS makes a lot of data available for anyone with share access. Depending on the share configuration, it can restrict users to read or write privileges.
NFS treats each dataset as its own file system. When creating the NFS share on the server, the specified dataset is the location that client accesses. If you choose a parent dataset as the NFS file share location, the client cannot access any nested or child datasets beneath the parent.
Unix and Unix-like operating systems often use the Network File System (NFS) protocol. NFS shares data across a network as part of a distributed file system. Go to Sharing > Unix Shares (NFS) to access the NFS screen to create a Network File System (NFS) share on TrueNAS.
Click COLUMNS to change the NSF table view. Options include Unselect All, Description, Enabled or Reset to Defaults.
Click ADD to open the BASIC OPTIONS configuration screen.
The Sharing screen opens after you click Shares on the main navigation panel.
Unix (NFS) Share Widget The Unix (NFS) Share launch widget includes the widget toolbar that displays the status of the NFS service and the Add button. After adding NFS shares, the widget displays a list of the shares below the toolbar.
Figure 1: Unix (NFS) Share Widget After adding the first NFS share, the system opens an enable service dialog.
About Multiprotocol Shares A multiprotocol or mixed-mode NFS and SMB share supports both NFS and SMB protocols for sharing data. Multiprotocol shares allow clients to use either protocol to access the same data. This can be useful in environments with a mix of Windows systems and Unix-like systems, especially if some clients lack an SMB client.
Carefully consider your environment and access requirements before configuring a multiprotocol share. For many applications, a single protocol SMB share provides better user experience and ease of administration.
Network File System (NFS) is an open IETF standard remote file access protocol. Use the Services NFS screen to enable NFS services on your TrueNAS.
Click SAVE to save settings and return to the Services screen.
Click CANCEL to exit without saving and return to the Services screen.
Name Description Number of servers Enter a number to specify how many servers to create. Increase if NFS client responses are slow. Keep this less than or equal to the number of CPUs reported by sysctl -n kern.
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