dg-publish: true

  • EBS volumes are AZ scoped, since they are often scoped to hardware
  • To migrate a volume to another AZ
    1. Take a snapshot of that EBS
    2. Create EBS out of snapshot (since snapshots are stored in s3)

Across regions

Across accounts

  • Use a KMS key with cross account access
  • Share the encrypted snapshot with target account
  • Create a copy from the snapshot in the target account with a cmk in that account