Data on TrueNAS share appears GONE from multiple Win11 machines but "found" from Win10

TrueNAS General
21

This still shows that you’re sharing out the root dataset’s path. (Evident by the path in the address bar of \\serveraddress\sharename\Home).

You need to change that.

In the SMB Share’s config, it should be like this:
Name: Home (or Data, or MyShare, or whatever, doesn’t matter)[1]
Path: /mnt/Data/Home

It should NOT be like this:
Path: /mnt/Data

  1. The “Name” you go with is the name of the share to connect to, via the format: \\serveraddress\sharename ↩︎

22

Understand what you’re saying, but why use /mnt/Data/Home vs. /mnt/Data ?

23

You’re not supposed to share the root dataset path via SMB in TrueNAS.

The root path has strict permissions set that cannot be modified via the GUI in recent versions of TrueNAS (intentional), so as to not cause file access and sharing issues.

Treat the root dataset/path as a “placeholder” and nothing more. Don’t save files directly inside. Don’t share it out. Don’t mess with its permissions.