The amount of storage available on these partitions is predetermined by the user when they are partitioning the hard-drive and cannot be changed unless a new partitioning is performed. What is a partition?Ĭreating a new disk partition on your Mac practically splits your hard-drive into two separate parts (partitions) that could have different macOS versions or even different OS types (for example macOS and Windows) installed on them. Partitions and volumes are very similar and can be used for the same thing but there are some key differences that one must consider before deciding which of the two they are going to make.
Difference between a partition and a volume.
