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Question 171 - NCS-Core discussion

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A consultant is preparing to add new nodes into an existing cluster. The current cluster AOS version is 5.8. The new expansion node is currently running AOS 5.9 code. The cluster must continue to run at its current AOS version.

Which method can be used to successfully add the node?

A.
Upgrade the cluster to 5.9 and add the node through Prism Element.
Answers
A.
Upgrade the cluster to 5.9 and add the node through Prism Element.
B.
Use Prism Element to Expand the cluster and select the re-image option.
Answers
B.
Use Prism Element to Expand the cluster and select the re-image option.
C.
Use the CLI and enter cluster add-node node-serial=''node_serial''.
Answers
C.
Use the CLI and enter cluster add-node node-serial=''node_serial''.
D.
Use Prism Element, which will downgrade the node by default during the node add process.
Answers
D.
Use Prism Element, which will downgrade the node by default during the node add process.
Suggested answer: B

Explanation:

When adding a new node with a higher AOS version (5.9) into an existing cluster running an older version (5.8), the recommended method is to use Prism Element to expand the cluster and select the re-image option. This process involves re-imaging the new node to the AOS version currently running in the cluster (5.8), ensuring compatibility and stability across the cluster without requiring an overall upgrade to a newer version. This approach maintains the cluster's operational integrity while integrating the new hardware.

Reference: Nutanix Bible, NCS-Core 6.8 official training materials, and Nutanix support documentation on cluster expansion.

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asked 23/09/2024
Shivanth Jha
36 questions
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