I’ve seen a few of your posts on Linuxsucks@lemmy.world. I can appreciate a minority view and you don’t strike me as hostile with other users, but many of the points you made frankly make little sense to me. Some even stike me as deranged or at least misinformed. I hope you are doing this out of passion or get some other form of genuine joy out of it. I’d hate for Linux to make you anyone feel miserable.

Only a matter of time until it demands for Windows to be installed

mdadm --stop /dev/mdX should at least tell you whether or not mdadm is causing the spinning.