Storage on EKS

Overview

EKS supports multiple storage options through Container Storage Interface (CSI) drivers.

Topics

Block Storage

• EBS CSI - Persistent block storage
• FSx for OpenZFS - Managed ZFS file system
• FSx for NetApp ONTAP - NetApp ONTAP file system

File Storage

• EFS CSI - Managed NFS file storage
• FSx for NetApp ONTAP
• FSx for OpenZFS

Object Storage

• Mountpoint for S3 - S3 as a file system

Storage Comparison

Type	Driver	Use Case	Scaling
Block	EBS CSI	Databases	Single AZ
File	EFS CSI	Shared storage	Multi-AZ
File	FSx ONTAP	Enterprise NAS	Multi-AZ
Object	Mountpoint	S3 access	Unlimited

References

• EKS Storage
• EKS Workshop - Storage

Across the wiki

• AKS Storage CSI Architecture — Azure Managed Disks, Premium SSD v2, and Elastic SAN — block storage (Azure)
• GKE Storage Architecture — Compute Persistent Disk CSI, Hyperdisk, and Volume Snapshots — block storage (GCP)
• Linux Storage — block storage (Linux)
• Amazon EBS — block storage (AWS)