Shares

File sharing is one of the primary benefits of a NAS. TrueNAS helps foster collaboration between users through network shares.
TrueNAS allows users to create and configure Windows SMB shares, Unix (NFS) shares, and block (iSCSI) shares targets.

When creating zvols for shares, avoid giving them names with capital letters or spaces since they can cause problems and failures with iSCSI and NFS shares.

TrueNAS Enterprise
iXsystems TrueNAS Enterprise customers should contact TrueNAS Enterprise Support to receive additional guidance on system configuration.

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AFP Migration

When creating a share, do not attempt to set up the root or pool-level dataset for the share. Instead, create a new dataset under the pool-level dataset for the share. Setting up a share using the root dataset leads to storage configuration issues.

Since the Apple Filing Protocol (AFP) for shares is deprecated and no longer receives updates, it is not present in TrueNAS.

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Adding a Basic Time Machine SMB Share

When creating a share, do not attempt to set up the root or pool-level dataset for the share. Instead, create a new dataset under the pool-level dataset for the share. Setting up a share using the root dataset leads to storage configuration issues.

To prevent unexpected failures in SMB shares, TrueNAS 25.04 and later automatically disables SMB2/3 lease support and AAPL extensions (typically used to configure Time Machine) globally when multiprotocol SMB/NFS shares are enabled.

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Adding iSCSI Block Shares

To get started with iSCSI shares, make sure you have already created a zvol or a dataset with at least one file to share.

Go to Shares and click Configure in the Block (iSCSI) Shares Targets window. You can either use the creation wizard or set one up manually.

Tutorial Video

This short tutorial video demonstrates basic steps to set up an iSCSI share configuration.

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Adding NFS Shares

When creating a share, do not attempt to set up the root or pool-level dataset for the share. Instead, create a new dataset under the pool-level dataset for the share. Setting up a share using the root dataset leads to storage configuration issues.

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.

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NFS Shares Screens

The Sharing screen opens after you click Shares on the main navigation panel.

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.

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Block (iSCSI) Share Target Screens

The Sharing screen opens after you click Shares on the main navigation panel.

The Block (iSCSI) Shares Targets widget header shows the status of the iSCSI service, the Wizard button, and the more_vert icon button. Wizard opens the Wizard iSCSI wizard on the Target screen. See Target Screens below.

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Multiprotocol Shares

When creating a share, do not attempt to set up the root or pool-level dataset for the share. Instead, create a new dataset under the pool-level dataset for the share. Setting up a share using the root dataset leads to storage configuration issues.

To prevent unexpected failures in SMB shares, TrueNAS 25.04 and later automatically disables SMB2/3 lease support and AAPL extensions (typically used to configure Time Machine) globally when multiprotocol SMB/NFS shares are enabled.

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Setting Up Fibre Channel

TrueNAS Enterprise
Fibre Channel is a TrueNAS Enterprise feature. Only TrueNAS systems licensed for Fibre Channel show iSCSI Fibre Channel screens and settings found by going to Sharing > Block Shares (iSCSI).

The Fibre Channel feature is available to Enterprise-licensed High Availability (HA) and non-HA systems. Any Enterprise system, equipped with the required fibre channel hardware can implement this feature.

This article provides instructions for VMware VCenter ESXi. If you are using a different platform for your block share backups, use the documentation for that platform for alternative instructions for the ESXi process documented in this tutorial. .

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Shares

File sharing is one of the primary benefits of a NAS. TrueNAS helps foster collaboration between users through network shares.
TrueNAS allows users to create and configure Windows SMB shares, Unix (NFS) shares, and block (iSCSI) shares targets.

Click Shares on the main navigation panel to display the Sharing screen, which displays options to access SMB, NFS, and iSCSI shares.