Exam 2V0-17.25 Topic 1 Question 47 Discussion

Actual exam question for VMware's 2V0-17.25 exam
Question #: 47
Topic #: 1
An administrator is responsible for a vSAN Express Storage Architecture (ESA) cluster running workloads with a RAID-6 policy. The administrator must enable auto-policy management in vSAN ESA.
What is the minimum number of hosts required for workloads with RAID-6?

Suggested Answer: D Vote an answer

The vSAN ESA documentation in VCF 9.0 explains that auto-policy management dynamically selects the most efficient data placement policy based on cluster size. For RAID-6 (erasure coding with double parity), the minimum required host count is 6. The docs state:
"RAID-6 (Erasure Coding with FTT=2) requires a minimum of six hosts in a vSAN ESA cluster. This ensures that data and parity components can be distributed across unique failure domains." With fewer than six hosts, RAID-6 cannot be enforced and auto-policy management will fall back to RAID-1 mirroring. RAID-6 in vSAN ESA provides higher storage efficiency but comes with stricter host count requirements. Options 2 and 4 are far below requirements, while 8 provides more redundancy but is not the minimum. Therefore, the correct minimum number of hosts for RAID-6 with ESA is 6.

by Jay at Jan 10, 2026, 08:23 PM

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