Basic Information
| Field | Details |
|---|---|
| English name | Amazon FSx |
| Full name | Amazon FSx |
| Chinese description | 托管专业文件系统家族 |
| Japanese description | マネージドファイルシステム |
| Exam frequency | ⭐⭐⭐⭐ |
| Often confused with | Amazon EFS |
In one sentence
FSx preserves familiar protocols and file-system capabilities for traditional or high-performance applications while AWS manages infrastructure.
Core purpose
- FSx for Windows supports SMB, Active Directory, and enterprise file shares.
- FSx for Lustre targets HPC, machine learning, and parallel throughput, and can integrate with S3 datasets.
- FSx for ONTAP and OpenZFS support existing enterprise storage or ZFS workloads.
Exam focus
- Use EFS for general Linux NFS sharing and FSx for Windows for Windows/SMB/AD.
- HPC, ML, or Lustre signals FSx for Lustre.
- Start selection with protocol, operating system, performance, and application dependencies.
Common misconceptions
- FSx is a product family, not one file system.
- FSx is not simply an advanced edition of EFS.
Key takeaway
Use EFS for general Linux sharing; select the matching FSx product for specialized file systems.
Related services
EFS, S3, Active Directory, HPC, AWS Backup.