060 EBS Overview

What is EBS Volume

• EBS (Elastic Block STore) Volume is a network drive you can attach to your intsances while they run.
• Allows your instancees to persist data even they terminate
• Can be mounted to one instance at a time
• Bound to a specific AZ
• Analogy: a ‘network USB stick’

EBS is a network drive

It’s locked to an AZ

It has a provisioned capacity

• you can increase capcity over time

EBS Volume Example

One EC2 can have multiple EBS

EBS - Delete on Termination

Default:

• Root EBS is enabled
• other EBS is disabled