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