- A
Reduce the filesystem on 'lv_archive' with resize2fs, then reduce the logical volume with lvreduce, then extend 'lv_share'.
Correct: shrinks filesystem and LV, then extends target LV.
- B
Shrink the filesystem on 'lv_archive' to free space, then use vgsplit to move the space to 'lv_share'.
Why wrong: Incorrect: vgsplit moves entire PVs, not free space.
- C
Use lvreduce directly on 'lv_archive' without changing the filesystem, then lvextend on 'lv_share'.
Why wrong: Incorrect: reducing LV without shrinking filesystem corrupts data.
- D
Use lvresize to reduce 'lv_archive' and extend 'lv_share' in one command.
Why wrong: Incorrect: lvresize cannot relocate space between LVs.
- E
Add a new physical volume to the volume group instead.
Why wrong: Incorrect: stem asks to use existing space.
EX200 Create and configure file systems Practice Question
This EX200 practice question tests your understanding of create and configure file systems. 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.
A logical volume 'lv_share' in volume group 'vg_share' has no free extents. The administrator needs to increase the size of '/dev/vg_share/lv_share' by 5 GB. There is another logical volume 'lv_archive' in the same volume group that has 10 GB free space within its filesystem. What must the administrator do to allocate space from 'lv_archive' to 'lv_share'?
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
Reduce the filesystem on 'lv_archive' with resize2fs, then reduce the logical volume with lvreduce, then extend 'lv_share'.
Option A is correct because you must first shrink the filesystem on 'lv_archive' using resize2fs (or e2fsck -f / resize2fs) to free space within the filesystem, then reduce the logical volume with lvreduce to release the underlying physical extents back to the volume group. Only after those steps can you extend 'lv_share' with lvextend and then resize its filesystem. This sequence ensures data integrity and avoids filesystem corruption.
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.
- ✓
Reduce the filesystem on 'lv_archive' with resize2fs, then reduce the logical volume with lvreduce, then extend 'lv_share'.
Why this is correct
Correct: shrinks filesystem and LV, then extends target LV.
Related concept
Read the scenario before looking for a memorised answer.
- ✗
Shrink the filesystem on 'lv_archive' to free space, then use vgsplit to move the space to 'lv_share'.
Why it's wrong here
Incorrect: vgsplit moves entire PVs, not free space.
- ✗
Use lvreduce directly on 'lv_archive' without changing the filesystem, then lvextend on 'lv_share'.
Why it's wrong here
Incorrect: reducing LV without shrinking filesystem corrupts data.
- ✗
Use lvresize to reduce 'lv_archive' and extend 'lv_share' in one command.
Why it's wrong here
Incorrect: lvresize cannot relocate space between LVs.
- ✗
Add a new physical volume to the volume group instead.
Why it's wrong here
Incorrect: stem asks to use existing space.
Common exam traps
Common exam trap: answer the scenario, not the keyword
Red Hat often tests the misconception that you can reduce a logical volume without first shrinking the filesystem, leading candidates to choose option C, but the correct sequence always requires filesystem resizing before LV reduction to prevent corruption.
Detailed technical explanation
How to think about this question
When reducing a logical volume, the filesystem must be shrunk first because the filesystem's metadata and data blocks occupy the logical volume's extents; truncating the LV without resizing the filesystem leads to metadata corruption. The resize2fs command with the -M or --reduce-size option can shrink the filesystem to the minimum size, and lvreduce with the -L or --size option then releases the extents back to the volume group's free pool. In a real-world scenario, this is common when rebalancing storage across LVs without adding new disks, and careful planning of filesystem shrink limits (e.g., using resize2fs -P to show minimum size) is critical to avoid data loss.
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 practitioner preparing for the EX200 exam encounters this exact type of scenario on the job. The correct answer here is not the most general option — it is the best answer for the specific constraint described. Answer the scenario, not the keyword: identify the specific constraint before choosing the most familiar-sounding option. Real exam questions reward reading the full scenario before eliminating options, because the constraint defines which answer fits.
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 EX200 question test?
Create and configure file systems — This question tests Create and configure file systems — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Reduce the filesystem on 'lv_archive' with resize2fs, then reduce the logical volume with lvreduce, then extend 'lv_share'. — Option A is correct because you must first shrink the filesystem on 'lv_archive' using resize2fs (or e2fsck -f / resize2fs) to free space within the filesystem, then reduce the logical volume with lvreduce to release the underlying physical extents back to the volume group. Only after those steps can you extend 'lv_share' with lvextend and then resize its filesystem. This sequence ensures data integrity and avoids filesystem corruption.
What should I do if I get this EX200 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.
About these practice questions
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Last reviewed: Jun 30, 2026
This EX200 practice question is part of Courseiva's free Red Hat 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 EX200 exam.
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