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Question 48 - NCP-MCI-6.5 discussion

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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 the performance issues?

A.
Flash mode is disabled when a node fails.
Answers
A.
Flash mode is disabled when a node fails.
B.
Compression is disabled on the vDisk storage container.
Answers
B.
Compression is disabled on the vDisk storage container.
C.
The VMs vDisks are in multiple containers.
Answers
C.
The VMs vDisks are in multiple containers.
D.
Data size for flash mode exceeds 25% of the SSD capacity.
Answers
D.
Data size for flash mode exceeds 25% of the SSD capacity.
Suggested answer: D

Explanation:

data size for flash mode exceeds 25% of the SSD capacitycould cause the performance issues.Flash mode is a feature that allows vDisks to be pinned to SSDs for faster access, but it has a limit of 25% of the SSD capacity per node.If this limit is exceeded, some vDisks may be evicted from flash mode and cause disk latency2.

asked 23/09/2024
Marcin Cieślak
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