- A
Create a new larger instance and attach the existing volumes.
Why wrong: Attaching volumes to a different instance may cause downtime.
- B
Modify the existing volumes to a higher IOPS volume type.
Why wrong: Changes volume type but not capacity.
- C
Add the new volumes to the LVM volume group and extend the logical volume.
Online LVM extension adds capacity without downtime.
- D
Create new EBS volumes and attach them to the instance.
New volumes can be added online to the LVM.
- E
Take a snapshot of the existing volumes and restore to larger volumes.
Why wrong: Restore requires downtime.
Question 201 of 1,733
Increase SAP HANA Storage Capacity Without Downtime on AWS
This PAS-C01 practice question tests your understanding of design of sap workloads on aws. Match the stated requirement to the specific cloud service, access model, or configuration option — many options are valid in isolation but not for this scenario. 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 SAP HANA database on AWS is running on an EC2 instance with multiple EBS volumes striped using LVM. The database administrator needs to increase the total storage capacity without downtime. Which approach should be taken? (Select TWO.)
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
✓
Add the new volumes to the LVM volume group and extend the logical volume.
Option C is correct because LVM (Logical Volume Manager) allows you to add new EBS volumes to an existing volume group and extend the logical volume without unmounting the filesystem or stopping the database. This enables online storage expansion for SAP HANA, which requires zero downtime for production 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.
- ✗
Create a new larger instance and attach the existing volumes.
Why it's wrong here
Attaching volumes to a different instance may cause downtime.
- ✗
Modify the existing volumes to a higher IOPS volume type.
Why it's wrong here
Changes volume type but not capacity.
- ✓
Add the new volumes to the LVM volume group and extend the logical volume.
Why this is correct
Online LVM extension adds capacity without downtime.
Related concept
Read the scenario before looking for a memorised answer.
- ✓
Create new EBS volumes and attach them to the instance.
Why this is correct
New volumes can be added online to the LVM.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Take a snapshot of the existing volumes and restore to larger volumes.
Why it's wrong here
Restore requires downtime.
Common exam traps
Common exam trap: answer the scenario, not the keyword
The trap here is that candidates may confuse increasing storage capacity with changing volume type or instance size, or assume snapshot-based migration is the only way to expand, overlooking LVM's online extension capability.
Detailed technical explanation
How to think about this question
LVM abstracts physical storage into volume groups and logical volumes, allowing dynamic resizing. When new EBS volumes are added, the `vgextend` command adds them to the volume group, and `lvextend` followed by `resize2fs` (for ext4) or `xfs_growfs` (for XFS) expands the filesystem online. SAP HANA on AWS often uses LVM to manage multiple EBS volumes for /hana/data and /hana/log, enabling non-disruptive capacity increases during peak 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
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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: Add the new volumes to the LVM volume group and extend the logical volume. — Option C is correct because LVM (Logical Volume Manager) allows you to add new EBS volumes to an existing volume group and extend the logical volume without unmounting the filesystem or stopping the database. This enables online storage expansion for SAP HANA, which requires zero downtime for production 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: Jun 24, 2026
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