One of the worst situation PS4 users may encounter is that when the PS4 hard drive fails. While most components of a PS4 are electrical, the hard disk is one of the few mechanical parts. Thus, it will inevitably fail at some point. This type of failure occurs when the read-write head or other components become faulty as a result of normal wear and tear.
How to Assign a Persistent Drive Letter to a USB Drive in Windows
A partition can be thought of as a division or "part" of a real hard disk drive. A partition is really only a logical separation from the whole drive, but it appears as though the division creates multiple physical drives. Some terms you'll see associated with a partition include primary, active, extended, and logical partitions. More on this below.