VCP-DCV Configure and Manage vSphere Storage Practice Question
An administrator has configured Storage DRS on a cluster of datastores. The cluster includes both NFS and VMFS datastores. The administrator notices that Storage DRS recommendations are not being generated for some datastores. What is the most likely cause?
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
✓
NFS datastores are not supported by Storage DRS
Storage DRS does not support NFS datastores unless they are on a NAS array that supports VAAI for storage offload operations. In this scenario, the cluster includes both NFS and VMFS datastores, but Storage DRS recommendations are not generated for some datastores. The most likely cause is that those datastores are NFS and do not meet the requirements for Storage DRS. Option B (space utilization below threshold) is incorrect because Storage DRS would still generate recommendations when space utilization is below the threshold, just perhaps less frequently. Option C (datastores part of a vSAN cluster) is incorrect because vSAN uses its own distributed resource scheduler, not Storage DRS, and would not be included in the cluster. Option D (I/O metrics not enabled) is incorrect because if I/O metrics were not enabled, recommendations based on I/O latency would not be generated, but recommendations based on space utilization would still be generated; however, the question states recommendations are not being generated for some datastores, which points to the NFS incompatibility.
Answer analysis
Option-by-option breakdown
For each option: why learners choose it and why it is or isn't the right answer here.
- ✓
NFS datastores are not supported by Storage DRS
Why this is correct
Storage DRS only supports VMFS datastores and certain NFS arrays with VAAI.
- ✗
The datastore space utilization is below the threshold
Why it's wrong here
Storage DRS still generates recommendations if I/O imbalance exists.
- ✗
The datastores are part of a vSAN cluster
Why it's wrong here
vSAN uses its own storage policies, not Storage DRS.
- ✗
I/O metrics are not enabled for the Storage DRS cluster
Why it's wrong here
I/O metrics are optional; space-based recommendations can still occur.
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