starbasessd

No, they do not, unless you have a USB dongle type Ethernet adapter. Does it work with a RaspberryPiOS and the same wpa_supplicant.conf file? If not, then I would compare...

/root once booted is read-only. /boot is the first partition, read/writable by windows (fat32) and partition 2 /root and partition 3 /data are read-only ext4 partitions after first boot.

How are you running? Docker or direct? Which versions of motion, and motioneye? (Settings, General)

If you were on Debian, I'd suggest installing USBTOP to see bandwidth usage. I'd bet it's too much at the 1920x1080. Can you try 1280x720, or slightly lower?

Under Video Device, Video Resolution, select Custom, and enter 1280x720. BTW, that is a low spec system to be running ProxMox on, especially if you are running any other virtual...

motionEyeOS 20200606 & dev20201026 were released before the driver for PiCam3 were in the kernel. If you need to use a PiCam3, you will need to use RaspberryPiOS Legacy (Buster)...

[Release date of PiCam2](https://www.raspberrypi.com/products/camera-module-v2/) Yes, it works with the 20200606 and dev20201026 releases.

What kind of network share is available on the OMV NAS? It doesn't appear to support FTP without a plugin. If you are using 'Upload Service' what do you have...

Easily with motionEye on another OS. Little more difficult with motionEyeOS  Set Storage Device to Network Share Set Network Server to the IP Address of the OMV server Set...

But did it work?