For Synology and QNAP, under normal circumstances, if you want to achieve the ideal state where accessing data on a specific hard drive only makes that hard drive work while other unrelated hard drives remain in hibernation, it is not possible by default. This is because, by default, both products use RAID 1 technology to write critical system data simultaneously...

Just venting a bit. Honestly, if I weren't forced to, why would I bother messing around with all this stuff? Manga libraries, media libraries, setting up my own WoW server... Have I lost my mind? As a normal person, if there were no obstacles to getting these things and the cost wasn't high, I'd rather go out cycling or traveling. But the reality of the environment...