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Exam NCP-MCI v6.5 topic 1 question 11 discussion

Actual exam question from Nutanix's NCP-MCI v6.5
Question #: 11
Topic #: 1
[All NCP-MCI v6.5 Questions]

An administrator is troubleshooting vDisk performance issues in a Nutanix cluster with hybrid disks. The VMs all have Flash Mode enabled, but users are reporting disk latency.
What could cause these performance issues?

  • A. Data size for flash mode exceeds 25% of the SSD capacity.
  • B. The VMs vDisks are in multiple containers.
  • C. Hash mode is disabled when a node fails.
  • D. Compression is disabled on the vDisk storage container.
Show Suggested Answer Hide Answer
Suggested Answer: A 🗳️
by arunbalaraman at Sept. 28, 2023, 3:35 a.m.

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Patig
1 month, 1 week ago
Selected Answer: A
Flash Mode Considerations: Flash mode is disabled when a node fails. Ensure that the data size for flash mode doesn’t exceed 25% of the SSD capacity. Compression settings on the vDisk storage container can also impact performance.
upvoted 1 times
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JustinS1234
6 months, 3 weeks ago
Selected Answer: A
Answer is A for certain, researched link listed.
upvoted 1 times
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Hotwired34
6 months, 3 weeks ago
Selected Answer: A
I'm pretty sure the right answer is A. This article talks all about the reduction of performance once the data size goes over 25%: https://portal.nutanix.com/page/documents/details?targetId=Web-Console-Guide-Prism-v6_7:wc-vm-flash-mode-c.html
upvoted 1 times
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arunbalaraman
7 months, 1 week ago
I think B is the answer as In a Nutanix environment, flash mode (also known as "flash acceleration") is designed to improve the performance of VMs by leveraging SSDs for hot data. It allows frequently accessed data to be cached on SSDs, reducing latency. If the VMs' vDisks are spread across multiple storage containers, and some of these containers are not utilizing flash mode effectively, it can lead to latency issues for the VMs whose vDisks are not benefiting from flash acceleration.
upvoted 1 times
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