Raspberry Pi 4 (8GB)
Ubuntu 20.04 (booting from USB, no SD card)
My green LED is constantly on, but everything seems to be running fine. I initially thought it may be because I'm seeding with Deluge, but when I stopped seeding the green LED still remains on. It's constantly solid and only blinks once every minute or two for 1-2 seconds and then returns to solid green.
Here are the Docker containers that I'm running: