VCP-DCV Configure and Manage vSphere Storage Practice Question
A vSphere administrator is planning a Storage DRS implementation for a datastore cluster containing multiple VMFS datastores. The VMs have various I/O patterns. Some VMs should always remain together on the same datastore. Which configuration should be used?
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
✓
Create a VM-to-VM affinity rule in the datastore cluster.
Storage DRS affinity rules allow you to keep VMs together (VM-to-VM affinity) or separate (anti-affinity). To ensure VMs remain together, a VM-to-VM affinity rule is required. Option B is incorrect because Storage DRS does not support per-host datastore affinity rules; rules are at the datastore cluster level. Option C is incorrect because Storage I/O Control manages I/O prioritization, not VM placement. Option D is incorrect because a VM-to-VM anti-affinity rule would separate the VMs, not keep them together.
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 VM-to-VM affinity rule in the datastore cluster.
Why this is correct
Correct: Affinity rule ensures VMs are placed on the same datastore.
- ✗
Set individual datastore affinity rules on each host.
Why it's wrong here
Incorrect: Storage DRS rules are applied to the datastore cluster, not per host.
- ✗
Apply Storage I/O Control with high shares to the VMs.
Why it's wrong here
Incorrect: SIOC does not control placement.
- ✗
Create a VM-to-VM anti-affinity rule in the datastore cluster.
Why it's wrong here
Incorrect: Anti-affinity would keep VMs separate.
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