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Question 178 - NCS-Core discussion

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A consultant creates a new cluster using ESXi as the hypervisor. After creating the cluster, the consultant begins to run Life Cycle Manager (LCM) updates. During the LCM upgrade pre-checks, an error is returned.

Which configuration is causing this issue?

A.
ESXi cluster admission control is disabled.
Answers
A.
ESXi cluster admission control is disabled.
B.
ESXi cluster DRS is enabled.
Answers
B.
ESXi cluster DRS is enabled.
C.
ESXi cluster HA is enabled.
Answers
C.
ESXi cluster HA is enabled.
D.
ESXi cluster admission control is enabled.
Answers
D.
ESXi cluster admission control is enabled.
Suggested answer: D

Explanation:

The error during LCM pre-checks in an ESXi-based Nutanix cluster with HA enabled is most likely due to the ESXi cluster admission control being enabled. Admission control is a feature in VMware ESXi that reserves resources for HA purposes to ensure that sufficient resources are available in the event of host failures. When admission control is enabled, it can interfere with Nutanix LCM operations, which may require resource reallocation or reconfiguration that conflicts with the reserved capacities set by admission control. Disabling admission control during LCM updates would typically resolve this issue.

Reference: VMware documentation on HA and Admission Control, Nutanix LCM documentation.

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asked 23/09/2024
Rik Ant
45 questions
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