NCA-5.15 · Question #31
Refer to the exhibit. An administrator notices that the Data Resiliency Statue of some components has been reduced to 0. making it impossible to support a node failure in the cluster. What type of…
The correct answer is C. CVM. A CVM (Controller VM) failure is the most impactful single-component failure in a Nutanix cluster because the CVM on each node manages all storage I/O for that node. When a CVM goes down, that entire node is effectively removed from the distributed storage fabric, reducing the…
Question
Refer to the exhibit. An administrator notices that the Data Resiliency Statue of some components has been reduced to 0. making it impossible to support a node failure in the cluster. What type of failure is most likely the cause of this issue?
Exhibit
Options
- ABlock
- BDisk
- CCVM
- DNods
How the community answered
(19 responses)- A5% (1)
- B11% (2)
- C84% (16)
Explanation
A CVM (Controller VM) failure is the most impactful single-component failure in a Nutanix cluster because the CVM on each node manages all storage I/O for that node. When a CVM goes down, that entire node is effectively removed from the distributed storage fabric, reducing the cluster's ability to maintain its Replication Factor (RF). This directly causes the Data Resiliency Status to drop to 0, meaning the cluster can no longer tolerate an additional node failure. A disk failure typically reduces resiliency incrementally, while a CVM failure takes the whole node out of service immediately.
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