Not seeing mounted drive- Ubuntu Server 18.04

I’m running a new install of Sonarr on a fresh install of Ubuntu 18.04. I have an external 8TB drive connected. Plex can see the drive, I can navigate through it in terminal, but I cannot make Sonarr see the drive at all. I have it set to /mnt/usb/media in fstab. It is an ext4 drive.

I’m not sure if there is a user account just for Sonarr that I need to give permissions or ownership of the drive to or why Sonarr cannot see it. I did have Sonarr working on a Pi before and was able to get it to see a 2TB usb drive, but can’t figure out what I’m missing.

Sonarr System>Status only shows the internal SSD.