The answer is that you can rename a datastore, remove it from inventory, and expand its capacity without unmounting it or placing the ESXi host into maintenance mode. These operations are safe because they only modify the host’s metadata or the underlying LUN’s partition table without disrupting active I/O from running virtual machines. On the VCP-DCV exam, this concept tests your understanding of VMFS datastore lifecycle management and the distinction between host-level configuration changes and storage-level destructive actions. A common trap is confusing “remove from inventory” with “unmount” or “delete,” which would require maintenance mode; remember that inventory removal simply detaches the datastore object from the host’s view. For a quick memory tip, think of the acronym RRE: Rename, Remove from inventory, and Expand — all three are non-disruptive and can be done live.
VCP-DCV Configure and Manage vSphere Storage Practice Question
This VCP-DCV practice question tests your understanding of configure and manage vsphere storage. 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.
Which THREE actions can be performed on a VMFS datastore without unmounting it or putting the ESXi host into maintenance mode?
Answer the question above first, then reveal the full breakdown to understand why each option is right or wrong.
Correct answer & explanation
✓
Remove the datastore from the host's inventory.
Option A is correct because removing a datastore from the host's inventory simply detaches the datastore object from the ESXi host's configuration without affecting the underlying LUN or requiring the host to enter maintenance mode. This operation only modifies the host's metadata, not the storage device itself, so it can be performed while VMs are running on other datastores.
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.
✓
Remove the datastore from the host's inventory.
Why this is correct
Removing from inventory is possible if no VMs are registered on it.
Related concept
Read the scenario before looking for a memorised answer.
✗
Upgrade the datastore from VMFS5 to VMFS6.
Why it's wrong here
Upgrading VMFS version requires the datastore to be in maintenance mode.
✗
Add a new extent to the datastore from a different LUN.
Why it's wrong here
Adding a new extent requires the datastore to be unmounted.
✓
Increase the size of the datastore by expanding an existing extent.
Why this is correct
Expanding an existing extent can be done online.
Related concept
Read the scenario before looking for a memorised answer.
✓
Rename the datastore.
Why this is correct
Renaming is a simple metadata change that can be done online.
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 assume any storage-level operation requires maintenance mode or unmounting, but VMware specifically allows certain non-disruptive metadata changes like removal from inventory and renaming while the datastore remains fully accessible to running VMs.
Detailed technical explanation
How to think about this question
Under the hood, VMFS datastores use a distributed locking mechanism (SCSI reservations) to coordinate access across multiple ESXi hosts. Operations like removing from inventory or renaming only update the host's local configuration file (stored in /etc/vmware/datastores) and do not touch the shared storage LUN, whereas upgrades and extent additions require exclusive access to modify the file system's partition table and metadata structures, which is why unmounting is mandatory. In a real-world scenario, you might rename a datastore to reflect a new business unit without disrupting production VMs, but you would need to schedule downtime for a VMFS6 upgrade.
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 VCP-DCV 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.
Configure and Manage vSphere Storage — This question tests Configure and Manage vSphere Storage — Read the scenario before looking for a memorised answer..
What is the correct answer to this question?
The correct answer is: Remove the datastore from the host's inventory. — Option A is correct because removing a datastore from the host's inventory simply detaches the datastore object from the ESXi host's configuration without affecting the underlying LUN or requiring the host to enter maintenance mode. This operation only modifies the host's metadata, not the storage device itself, so it can be performed while VMs are running on other datastores.
What should I do if I get this VCP-DCV 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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Question Discussion
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