NCM-MCI: Nutanix Certified Master - Multicloud InfrastructureDemo

Question

A guest VM has been reported as having poor storage performance. It has an I/O profile of 80% read, 20% write, and HDDs comprise more than 50% of the read source.

What should an administrator do to resolve the issue?

A Increase SSD capacity
B Increase the OPLOG
C Increase the write cache
D Use HDDs with higher RPM

Explanation

A read-dominant workload whose reads are primarily sourced from HDDs needs more SSD-tier capacity so its active working set can reside on the faster tier. The OpLog and write cache primarily improve write handling, whereas the stated bottleneck is HDD-sourced reads. Nutanix guidance specifies sizing the SSD tier to at least the active working-set size.

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Acropolis Advanced Administration Guide

NCM-MCI: Nutanix Certified Master - Multicloud InfrastructureDemo

AstroTutor

Notes

Readiness

QuestionQ63

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