dg-publish: true

  • Point in time Backup for EBS Volumes
  • Recommened to shut off instance, before snapshotting
  • Can be copied to AZ, and can be restored

EBS snapshots are internally stored in amazon s3 FSR (expensive): Since EBS are stored at s3, intilisation happens progressively. dd or fio commands can be used or FSR can be used

  • Move snapshot to archive tier, to save 70% of costs, takes 22 to 72 hours
  • Retention period can be setup for accidental deletion

EBS Snapshots can be automated with Amazon Data Lifecycle Manager, AWS backups is recent and more general service