VMware VCP 6.7-DCV – Objective 1.4 – Differentiate between NIOC and SIOC

The following notes will assist you to prepare for this objective:

  • This objective is about managing noisy neighbors!
    • NIOC for network & SIOC for storage
  • You need to demonstrate understanding of
    • What dimensions you can control and applied-to
    • Limitations of service
    • Pre-reqs for implementation
  • Foundation knowledge of proportional share allocation is expected
    • What does low, medium & high mean?
    • What happens when you use numbers instead of labels?
    • How does the power on of another VM affect share allocation?

Reference:

vSphere Resource Management Guide pdf – Chapter 9-Managing Storage I/o Resources

vSphere Networking Guide pdf – Chapter 11 – vSphere Network I/O Control

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