- A
Amazon EC2 instance store volumes
Why wrong: Instance store is temporary and data is lost on stop.
- B
Amazon S3 as a block device
Why wrong: S3 is object storage, not suitable for database files.
- C
Amazon EBS gp2 volumes
Why wrong: gp2 volumes may not provide required IOPS for HANA.
- D
Amazon EBS io2 Block Express volumes
io2 Block Express offers high IOPS and low latency.
Question 920 of 1,733
PAS-C01 Migration Practice Question
This PAS-C01 practice question tests your understanding of migration. This is a configuration task: choose the command set that satisfies every stated requirement. Small differences — like 'secret' vs 'password' or 'transport input ssh' vs 'all' — change whether the answer is correct. After answering, compare your reasoning against the explanation and wrong-answer breakdown below. Once you have made your selection, read the full explanation to reinforce the concept and understand why each distractor is designed to mislead on exam day.
A company is migrating a SAP HANA database to AWS. Which storage configuration is recommended for SAP HANA to meet performance requirements?
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 EBS io2 Block Express volumes
Amazon EBS io2 Block Express volumes are the recommended storage configuration for SAP HANA on AWS because they provide up to 4,000 MB/s throughput per volume and 256,000 IOPS, with 99.999% durability. This meets the high-performance, low-latency requirements of SAP HANA, which demands consistent sub-millisecond latency for its columnar in-memory database operations. io2 Block Express volumes also support multi-attach for SAP HANA scale-out configurations and are the only EBS volume type validated by SAP for production HANA workloads.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
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 EC2 instance store volumes
Why it's wrong here
Instance store is temporary and data is lost on stop.
- ✗
Amazon S3 as a block device
Why it's wrong here
S3 is object storage, not suitable for database files.
- ✗
Amazon EBS gp2 volumes
Why it's wrong here
gp2 volumes may not provide required IOPS for HANA.
- ✓
Amazon EBS io2 Block Express volumes
Why this is correct
io2 Block Express offers high IOPS and low latency.
Related concept
Read the scenario before looking for a memorised answer.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often choose gp2 volumes (Option C) because they are familiar with general-purpose workloads, but they fail to recognize that SAP HANA requires sustained high IOPS and low latency that only io2 Block Express volumes can guarantee, as gp2's burst model cannot maintain performance for production HANA databases.
Detailed technical explanation
How to think about this question
io2 Block Express volumes use a Nitro-based architecture that enables direct NVMe access to the storage, reducing latency to under 0.5 ms. They support up to 64 TiB per volume and can be configured with provisioned IOPS up to 256,000, which is critical for SAP HANA's log writes and data persistence during savepoints. In a real-world scenario, a large SAP HANA system with 4 TB memory would require multiple io2 Block Express volumes in a striped LVM configuration to achieve the necessary throughput for consistent performance under heavy OLTP loads.
KKey Concepts to Remember
- Read the scenario before looking for a memorised answer.
- Find the constraint that changes the correct option.
- Eliminate answers that are true in general but not in this case.
TExam Day Tips
- Watch for words such as best, first, most likely and least administrative effort.
- Review why wrong options are wrong, not only why the correct option is correct.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
How this comes up in practice
A media company stores terabytes of video archives that are accessed once a year for audit purposes. Moving these objects to a cold storage tier (Azure Archive, S3 Glacier, or Google Nearline) costs a fraction of hot storage. Questions like this test whether you understand storage tiers, access frequency tradeoffs, and retrieval latency requirements.
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 |
What to study next
Got this wrong? Here's your next step.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Migration — This question tests Migration — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Amazon EBS io2 Block Express volumes — Amazon EBS io2 Block Express volumes are the recommended storage configuration for SAP HANA on AWS because they provide up to 4,000 MB/s throughput per volume and 256,000 IOPS, with 99.999% durability. This meets the high-performance, low-latency requirements of SAP HANA, which demands consistent sub-millisecond latency for its columnar in-memory database operations. io2 Block Express volumes also support multi-attach for SAP HANA scale-out configurations and are the only EBS volume type validated by SAP for production HANA workloads.
What should I do if I get this PAS-C01 question wrong?
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
What is the key concept behind this question?
Read the scenario before looking for a memorised answer.
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Last reviewed: Jul 4, 2026
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