AWS biedt verschillende opslagtypen voor verschillende behoeften — S3 (objectopslag), EBS (blokopslag / schijven voor EC2), en EFS (gedeelde bestandsopslag). Het begrijpen van hun verschillen en use cases helpt bij het kiezen van de juiste opslag voor elke workload.
De drie hoofdopslagtypen
S3 (OBJECT storage) → files/objects accessed via API, virtually unlimited, durable:
→ for: files, backups, static assets, data lakes, anything accessed as whole objects
→ NOT a filesystem (no in-place edits; access by key); accessed over HTTP/API
EBS (BLOCK storage) → virtual disks ATTACHED to a single EC2 instance:
→ like a hard drive for an instance (boot volumes, databases, app data)
→ attached to ONE instance at a time (in one AZ); persists independently of the instance
→ for: an instance's filesystem, databases needing low-latency block storage
EFS (FILE storage) → a shared filesystem mountable by MANY instances simultaneously:
→ NFS file system; multiple EC2 instances mount it concurrently (shared access)
→ scales automatically; for: shared files across instances, content management, etc.
