Storage DRS can be enabled and can balance I/O levels based on _______________

The correct answer is B. historical stats. Storage DRS can balance I/O by using storage vMotion. This would be based on historical values for a period of time. Storage DRS would make decisions based on these figures. If the system were using realtime stats, the machines could potentially migrate a lot more. This could…

Create a Design for vSphere 5.x Storage

Question

Options

Areal-time stats
Bhistorical stats

How the community answered

(39 responses)

A
28% (11)
B
72% (28)

Explanation

Storage DRS can balance I/O by using storage vMotion. This would be based on historical values for a period of time. Storage DRS would make decisions based on these figures. If the system were using realtime stats, the machines could potentially migrate a lot more. This could have an effect on the latency figures for some systems. The larger historical sampling in storage DRS allows the system to make a decision with limited risk of impacting I/O--unlike moving a virtual machine over and over again. Chapter 4, Storage Design - The Logical & Physical Approaches

Topics

#Storage DRS#I/O load balancing#historical statistics#SDRS configuration

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