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Question 28 - 5V0-31.23 discussion

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What is the minimum number of hosts required to support two failures using vSAN Erasure Coding?

A.

6

Answers
A.

6

B.

3

Answers
B.

3

C.

4

Answers
C.

4

D.

5

Answers
D.

5

Suggested answer: A

Explanation:

To support two host failures with vSAN Erasure Coding, specifically using RAID-6 (4+2) Erasure Coding, a minimum of 6 hosts is required. RAID-6 allows data to tolerate two simultaneous failures by distributing parity data across the hosts, which provides fault tolerance with a lower storage overhead compared to mirroring.

3 hosts or 4 hosts would not support RAID-6 and would be limited to RAID-1 (mirroring) configurations. 5 hosts are also inadequate because RAID-6 requires at least 6 hosts to achieve the 4+2 configuration.

asked 13/11/2024
Scott Lerch
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