Do I need to make partitions on my EBS volumes?
No. In most cases, I don’t think partitioning EBS volumes is necessary.
Why do people ever partition in the first place? Partitioning a drive is useful when:
you have an actual, physical computer in front of you you are planning to attach one or more actual, physical hard disks to that computer you want to apportion that space among the various segments of your filesystem (swap, /home, /boot, etc.) Why is EBS different?