- A
Use io2 Block Express volumes with /hana/data on a RAID 1 set and /hana/log on a RAID 0 set
Why wrong: Data needs performance (RAID 0), log needs resilience (RAID 1).
- B
Use a single large gp3 EBS volume for both /hana/data and /hana/log
Why wrong: Separate volumes are needed for isolation and performance.
- C
Use io2 Block Express volumes with /hana/data on a RAID 0 set and /hana/log on a RAID 1 set
RAID 0 for data performance, RAID 1 for log resilience.
- D
Use io2 Block Express volumes with /hana/data on one volume and /hana/log on another, no RAID
Why wrong: RAID is recommended to meet performance requirements.
Question 96 of 1,733
PAS-C01 Design of SAP Workloads on AWS Practice Question
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. 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.
An organization is deploying a large SAP HANA system on AWS. They need to ensure that the EBS volumes for the /hana/data and /hana/log directories are configured with optimal performance and resilience. Which configuration should they use?
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
✓
Use io2 Block Express volumes with /hana/data on a RAID 0 set and /hana/log on a RAID 1 set
Option C is correct because SAP HANA requires high IOPS and low latency for /hana/data, which benefits from RAID 0 striping across multiple io2 Block Express volumes to maximize throughput and capacity. For /hana/log, RAID 1 mirroring provides the necessary resilience to protect against volume failure while maintaining the write performance critical for transaction log durability. io2 Block Express volumes offer up to 256,000 IOPS and 4,000 MB/s throughput per volume, making them ideal for this high-performance workload.
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.
- ✗
Use io2 Block Express volumes with /hana/data on a RAID 1 set and /hana/log on a RAID 0 set
Why it's wrong here
Data needs performance (RAID 0), log needs resilience (RAID 1).
- ✗
Use a single large gp3 EBS volume for both /hana/data and /hana/log
Why it's wrong here
Separate volumes are needed for isolation and performance.
- ✓
Use io2 Block Express volumes with /hana/data on a RAID 0 set and /hana/log on a RAID 1 set
Why this is correct
RAID 0 for data performance, RAID 1 for log resilience.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Use io2 Block Express volumes with /hana/data on one volume and /hana/log on another, no RAID
Why it's wrong here
RAID is recommended to meet performance requirements.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates often assume RAID 1 is always for data and RAID 0 for logs, but SAP HANA specifically requires RAID 0 for /hana/data to maximize performance and RAID 1 for /hana/log to ensure resilience, reversing the common intuition.
Detailed technical explanation
How to think about this question
SAP HANA's /hana/data directory handles large sequential writes and random reads, where RAID 0 striping across multiple io2 Block Express volumes increases effective IOPS and throughput linearly with the number of volumes. For /hana/log, synchronous writes require both low latency and durability; RAID 1 mirroring ensures that a single volume failure does not cause data loss or service interruption, as the mirrored copy continues to serve I/O. io2 Block Express volumes use a Nitro-based architecture that provides consistent sub-millisecond latency, which is critical for SAP HANA's log write commit times.
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 cloud solutions architect for a retail company is evaluating services for a new workload. The correct answer here reflects best practice for the specific scenario described — not a general cloud recommendation. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Cloud exam questions reward reading the constraint carefully: the same technology can be right or wrong depending on the use case.
Quick reference
RAID Level Comparison
| RAID Level | Min Disks | Fault Tolerance | Read | Write | Usable Capacity |
|---|---|---|---|---|---|
| RAID 0 | 2 | None | Excellent | Excellent | 100% |
| RAID 1 | 2 | 1 disk | Good | Moderate | 50% |
| RAID 5 | 3 | 1 disk | Good | Moderate | 67–94% |
| RAID 6 | 4 | 2 disks | Good | Lower | 50–88% |
| RAID 10 | 4 | 1 disk per mirror | Excellent | Good | 50% |
RAID is not a backup strategy — it protects against disk failure but not against accidental deletion, ransomware, or site-level events.
What to study next
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FAQ
Questions learners often ask
What does this PAS-C01 question test?
Design of SAP Workloads on AWS — This question tests Design of SAP Workloads on AWS — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Use io2 Block Express volumes with /hana/data on a RAID 0 set and /hana/log on a RAID 1 set — Option C is correct because SAP HANA requires high IOPS and low latency for /hana/data, which benefits from RAID 0 striping across multiple io2 Block Express volumes to maximize throughput and capacity. For /hana/log, RAID 1 mirroring provides the necessary resilience to protect against volume failure while maintaining the write performance critical for transaction log durability. io2 Block Express volumes offer up to 256,000 IOPS and 4,000 MB/s throughput per volume, making them ideal for this high-performance workload.
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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