An EBS storage has the following features similar to an external hard desk connected to a computer

(1) Detachable

(2) Distinct

(3) Size-limited

(4) 1-to-1 connection

Explanation

• Detachable: You can detach an EBS volume from one EC2 instance and attach it to another EC2 instance in the same Availability Zone to access the data on it.
• Distinct: The external drive is separate from the computer. That means that if an accident occurs and the computer goes down, you still have your data on your external drive. The same is true for EBS volumes.
• Size-limited: You’re limited to the size of the external drive, because it has a fixed limit to how scalable it can be. For example, you might have a 2 TB external drive, which means you can only have 2 TB of content on it. This also relates to Amazon EBS, because a volume also has a max limitation of how much content you can store on it.
• 1-to-1 connection: Most external drives can only be connected with one computer at a time. Most EBS volumes have a one-to-one relationship with EC2 instances, so they cannot be shared by or attached to multiple instances at one time.