For Synology and QNAP, under normal circumstances, it is not possible to achieve the ideal state that only the hard drive itself is working and other irrelevant hard drives remain in sleep mode, because by default, both products use raid1 technology to write critical system data to the hard drives at the same time.

I want to complain a little bit. Actually, if I am not forced, why would I bother with all kinds of stuff? Comic library, video library, setting up my own World of Warcraft server... Am I eating too much? As a normal person, if there is no obstacle to obtaining these things and the cost is not high, I might as well go out for cycling and traveling more. But the reality is...