Elastic Block Storage

• An EBS is a network drive you can attach to your instances while they run.
• It allows your instances to persist data, even after their termination.
• They are bound to a specific AZ
  • To move a volume across, you need to snapshot it
• Have provisioned capacity (size in GBs and IOPS)
  • Can increase the capacity of the drive over time

Delete on termination: ticked on root volume, controls behaviour when an EC2 instance terminates

EBS Snapshots

• Make a backup of your EBS volume at a point in time
• Not necessary to detach volume to do snapshot

EBS Snapshot Archive

• Move snapshot to an archive tier that is 75% cheaper
• Takes within 24 to 72 hours for restoring the archive

Recycle Bin for EBS Snapshots

• Setup rules to retain deleted snapshots so you can recover them after an accidental deletion
• Specify retention (from 1 day to 1 year)

Fast Snapshot Restore

• Force full initialisation of snapshot to have no latency on the first use

EC2 Instance Store