Determine the device name you want to format, in this case /dev/nvme1n1
sudo lsblk -f
sudo mkfs -t ext4 /dev/nvme1n1
Create a directory, in this case /data
, and mount it
sudo mkdir /data
sudo mount /dev/nvme1n1 /data
Determine the UUID
of your spiffy new mounted device
sudo blkid
UUID=6a2a2521-8370-4c3b-b952-9c3d7ec10d12 /data ext4 defaults,nofail 0 2
Paste in a line at the bottom of /etc/fstab
something like the above:
sudo vi /etc/fstab