EBS

• Elastic Block Storage
• Networked drive - can detach from EC2 and Reattach
• Allows instance to persist data , even after termination
• AZ specific: EBS volumes are bound to specific AZ. You can only attach it to EC2 instances in the same AZ
• Mounted to one instance at a time (at CCP level???)
• Free Tier - 30 GB if free EBS storage of general purpose SSD or Magnetic per month
• Provisioned capacity for EBS - size in GBs, IOPS
• You can increase provisioned capacity over time
• Can have 2 EBS volumes attached to a EC2
• Root EBS volume in EC2 are deleted by default when EC2 is terminated
• You can unset Delete on Termination flag to preserve EBS if you want it too persist when EC2 is deleted

EBS snapshots

• Backup for EBS volume
• Snapshot can be copied from 1 AZ to another or even from 1 Region to another

EBS Snapshot features

EBS Snapshot Archive