vSphere 6.5 DRS

Testing vSphere 6.5 DRS – CPU Over Commitment Ratio

November 17, 2016 Kim Bottu 2

The CPU over-commitment ratio also known as the vCPU to pCPU ratio. In this post I will test this new feature of vSphere 6.5 and how it impacts a vSphere 6.5 datacenter design. I am testing this because some of the information about this setting is kind of vague and I want to be sure that I understand how it works and what its impact is on production environments and how it will affect vSphere designs. To be able to test the above mentioned features I have setup a small test environment using 2 nested ESXi hosts, a nested VCSA 6.5 server and a handful of VM’s. The Cluster: 2 hosts HA is disabled DRS is enabled ( because this is a DRS feature!) The hosts: Both hosts have the […]

What is new in vSphere 6.5 HA/DRS and VSAN 6.5?

October 18, 2016 Kim Bottu 0

A lot of good things are happening on the HA, DRS and VSAN level. What is new in vSphere 6.5 HA? Simplified admission control settings Starting from vSphere 6.5 all you have to do to set correct admission control settings is to select the number of host failures to tolerate within your cluster and HA will calculate the resources needed and will set the percentage automatically. HA restart priorities: A lot of changes have been made to theVM restart priorities. For starters 2 new priorities have been added which will make it easier to start up all your VM’s if your environment is under contention. Highest  High  Medium  Low   Lowest This post is part of a VMWorld Barcelona early access series: What is […]