This PAS-C01 practice question tests your understanding of operations and maintenance. Read the scenario carefully and evaluate each option against the stated constraints before committing to an answer. 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 administrator notices that the /hana/data filesystem on an SAP HANA database is approaching 95% utilization. The HANA instance uses EBS gp3 volumes. What is the MOST efficient way to increase storage without downtime?
Add a new EBS volume and extend the logical volume.
Why wrong: Adds complexity and may require downtime.
Migrate the database to a new instance with larger volumes.
Why wrong: Migrating is complex and time-consuming.
Modify the existing EBS volume to increase its size.
EBS gp3 volumes support online resizing.
Create a snapshot, create a larger volume, and restore.
Why wrong: Causes downtime during restore.
Answer choices
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
Modify the existing EBS volume to increase its size.
Option C is correct because EBS gp3 volumes support online resizing without downtime. You can increase the volume size while the instance is running, and then extend the filesystem and logical volume (if using LVM) to utilize the additional space. This avoids any disruption to the SAP HANA database.
Key principle: Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Answer analysis
For each option: why learners choose it and why it is or isn't the right answer here.
Add a new EBS volume and extend the logical volume.
Why it's wrong here
Adds complexity and may require downtime.
Migrate the database to a new instance with larger volumes.
Why it's wrong here
Migrating is complex and time-consuming.
Modify the existing EBS volume to increase its size.
Why this is correct
EBS gp3 volumes support online resizing.
Related concept
Read the scenario before looking for a memorised answer.
Create a snapshot, create a larger volume, and restore.
Why it's wrong here
Causes downtime during restore.
Common exam traps
The trap here is that candidates may think adding a new volume (Option A) is simpler or that snapshot-based migration (Option D) is required, but AWS EBS gp3 volumes support online resizing, making Option C the most efficient and downtime-free approach.
Detailed technical explanation
EBS gp3 volumes allow you to increase size, IOPS, and throughput without detaching the volume or stopping the instance. After resizing, you must extend the filesystem (e.g., using `xfs_growfs` for XFS or `resize2fs` for ext4) and, if using LVM, extend the logical volume with `lvextend`. SAP HANA requires the underlying filesystem to be XFS, and the resize operation is non-disruptive as long as the filesystem is mounted and the database is online.
Key takeaway
Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option.
Real-world example
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.
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FAQ
Operations and Maintenance — This question tests Operations and Maintenance — Read the scenario before looking for a memorised answer..
The correct answer is: Modify the existing EBS volume to increase its size. — Option C is correct because EBS gp3 volumes support online resizing without downtime. You can increase the volume size while the instance is running, and then extend the filesystem and logical volume (if using LVM) to utilize the additional space. This avoids any disruption to the SAP HANA database.
Identify which exam domain this question belongs to, review the core concept, then practise similar questions from the same domain.
Read the scenario before looking for a memorised answer.
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Last reviewed: Jun 24, 2026
This PAS-C01 practice question is part of Courseiva's free Amazon Web Services certification practice question bank. Courseiva provides original exam-style practice questions with explanations, topic-based practice, mock exams, readiness tracking, and study analytics to help learners prepare for the PAS-C01 exam.
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