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Question 207 - NCS-Core discussion

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A consultant is working on an expansion project for a customer that has an existing 7-node RF2 cluster. The customer has purchased four more nodes to add to the cluster. All of the hardware is identical between the existing hardware and newly purchased hardware.

Currently, the 7-node cluster has the following utilization:

* CPU: 48%

* Memory: 66%

* Storage: 91%

During the kick-off call, the customer mentioned they'd like to reserve storage capacity on the cluster if a node were to fail in the future.

What's the safest and best way to implement this on the cluster?

A.
Expand the cluster with the additional nodes and enable Reserve Rebuild Capacity.
Answers
A.
Expand the cluster with the additional nodes and enable Reserve Rebuild Capacity.
B.
Enable Reserve Rebuild Capacity and expand the cluster with the additional nodes.
Answers
B.
Enable Reserve Rebuild Capacity and expand the cluster with the additional nodes.
C.
Expand the cluster with the additional nodes and enable HA reservation.
Answers
C.
Expand the cluster with the additional nodes and enable HA reservation.
D.
Enable HA reservation and expand the cluster with the additional nodes.
Answers
D.
Enable HA reservation and expand the cluster with the additional nodes.
Suggested answer: A

Explanation:

The most efficient and safest way to implement the customer's desire to reserve storage capacity for future node failures after expanding their existing 7-node RF2 cluster with four additional nodes is to first expand the cluster with the additional nodes, and then enable the Reserve Rebuild Capacity setting. This approach allows the cluster to immediately benefit from increased storage and other resources provided by the additional nodes, which can then be partially reserved to handle potential future failures. This method ensures both an increase in total capacity and the preservation of operational integrity during node failures.

Reference: Nutanix Prism User Guide, Nutanix Best Practices for Cluster Expansion.

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asked 23/09/2024
Akshi Raj
42 questions
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