Hi @MichaIng thanks for following up and seeing the trouble I am having with my connected USB drives (very unstable) I think this might be the issue. Thinking my main USB drive was worn down, it repeatedly broke down my server with read errors while when connecting it to my laptop it worked like a charm, I bought an 2TB ssd replacing it. After ‘hours’ of copying all the data over on my laptop, it wouldn’t even boot on the odroid: same read errors etc. So I plugged it into a powered USB hub that is also connected to the odroid and behold: works like a charm (note tried that as well with the original usb drive but that eventually gave the same issues, so that drive is not to be trusted anymore).
Is it possible that powerconsumption of the odroid has gone up due to the new firmware / kernel?
Currently booting of the sdcard and only have /home / srv /var/www on the usb ssd drive, been down (the odroid that is) for three days and needed to get back into production as my customers also rely on this server. So currently not in a position to further test having the rootfs on the usb (like I had before)