Migrating from WD MyCloud PR4100 to Terramaster F5-422

As far as I know, a Plex Data Folder is a Plex Data Folder.

The only difference I’m aware of is the “additional settings” that is stored in Windows registry vs preferences.xml on Linux vs a .plist on a Mac.

Regarding Plex Data Folder ownership & permissions, take a look at the Linux Tip: Migration from another OS to Linux.

Adjust as needed for running on a Terramaster (if Plex runs under a different username and for the different data folder location).

To set ownership:
# chown -R plex:plex "/var/lib/plexmediaserver"

To set permissions:

# find /var/lib/plexmediaserver -type d -exec chmod 755 {} \;
# find /var/lib/plexmediaserver -type f -exec chmod 644 {} \;