PAS-C01 Design of SAP Workloads on AWS Practice Question
A company runs SAP on AWS with a shared storage solution for transport files. They need a highly available, scalable, and POSIX-compliant file system. Which AWS storage service should they use?
⚠ Common exam trap
Test-takers frequently assume Amazon EFS is the default POSIX-compliant file system for all Linux workloads, but they overlook that SAP transport files specifically require the advanced NetApp ONTAP features (like iSCSI support and enterprise storage replication) that FSx for ONTAP provides, which EFS cannot offer.
Answer choices
Why each option matters
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Amazon FSx for NetApp ONTAP
Amazon FSx for NetApp ONTAP provides a fully managed, POSIX-compliant shared file system that supports the NFS, SMB, and iSCSI protocols required by SAP transport directories. It offers high availability across multiple Availability Zones, automatic failover, and scalable throughput, making it the correct choice for SAP transport files on AWS.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✗
Amazon Elastic File System (EFS)
Why it's wrong here
EFS is POSIX-compliant but may not be the best choice for SAP transport given performance requirements; FSx is recommended.
- ✗
Amazon S3
Why it's wrong here
S3 is object storage and does not provide POSIX compliance required for SAP transport files.
- ✓
Amazon FSx for NetApp ONTAP
Why this is correct
FSx for NetApp ONTAP provides POSIX-compliant, highly available, and scalable file storage ideal for SAP transport files.
- ✗
Amazon Elastic Block Store (EBS) with Multi-Attach enabled
Why it's wrong here
EBS Multi-Attach has limited scalability and is not ideal for shared transport files.
Quick reference
AWS S3 Storage Class Comparison
| Storage Class | Min Duration | Retrieval | Use Case |
|---|---|---|---|
| S3 Standard | None | Immediate | Frequently accessed data |
| S3 Standard-IA | 30 days | Immediate | Infrequent access, rapid retrieval |
| S3 One Zone-IA | 30 days | Immediate | Non-critical infrequent data |
| S3 Intelligent-Tiering | None | Immediate–hours | Unknown or changing access patterns |
| S3 Glacier Instant | 90 days | Milliseconds | Archive with instant retrieval |
| S3 Glacier Flexible | 90 days | Minutes–hours | Archive, flexible retrieval |
| S3 Glacier Deep Archive | 180 days | Hours | Long-term compliance archive |
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