Adaptive Queueing, Storage I/O Control and QoS (Part 1)

Troubleshooting for VMware Solutions

Audience
Public
Source Type
Documentation

The question of the day: Can (or should) I use Adaptive Queueing (AQDA) or Storage I/O Control (SIOC) when QoS Rate Limiting is enabled on a FlashArray volume or vgroup?

We will not go super in-depth about everything under the covers but we will provide a comprehensive overview so that there is an understanding of what each technology is trying to accomplish.

Note: If you are not familiar with Queue Depth then reading my colleagues blog post called Understanding VMware ESXi Queueing and the FlashArray will help understand why we reference queue depth below.