VMworld Reveals: DRS 2.0 (#HBI2880BY)

Advertise here with BSAAt VMworld, various cool new technologies were previewed. In this series of articles, I will write about some of those previewed technologies. Unfortunately, I can’t cover them all as there are simply too many. This article is about DRS 2.0, which was session HBI2880BY. For those who want … [Read more...]

Virtually Speaking Podcast #67 Resource Management

Two weeks ago Pete Flecha (a.k.a. Pedro Arrow) and John Nicholson invited me to their always awesome podcast to talk about resource management. During our conversation, we covered both on-prem and the features of VMware Cloud on AWS that help cater the needs of your workload. Being a guest on this podcast is an … [Read more...]

vSphere 6.5 DRS and Memory Balancing in Non-Overcommitted Clusters

DRS is over a decade old and is still going strong. DRS is aligned with the premise of virtualization, resource sharing and overcommitment of resources. DRS goal is to provide compute resources to the active workload to improve workload consolidation on a minimal compute footprint. However, virtualization surpassed … [Read more...]

The difference between an isolation and a partition with vSphere

Advertise here with BSAI have a lot of discussions with customers on the topic of stretched clusters, but also regular vSphere clusters. Something that often comes up is the discussion around what happens in an isolation or partition scenario. Fairly often customers (but also VMware employees) use those words … [Read more...]

Don’t know why DRS is not balancing your cluster? DRS Dump Insight!

Advertise here with BSAI was just reading up and noticed the DRS Dump Insight solution. It is a SaaS based DRS Dump Analyzer which gives you details around why your cluster is not balanced, or why certain recommendations are not made. Especially the “what if” scenarios are cool if you ask me. You can take a … [Read more...]

How to disable DRS for a single host in the cluster

Advertise here with BSAI saw a question today which was interesting, how do I disable DRS for a single host in the cluster? I thought about it, and you cannot do this within the UI, at least… there is no “disable DRS” option on a host level. You can enable/disable it on a cluster level but that is it. … [Read more...]

vSphere 6.5 what’s new – DRS

Advertise here with BSAMost of us have been using DRS for the longest time. To be honest, not much has changed over the past years, sure there were some tweaks and minor changes but nothing huge. In 6.5 however there is a big feature introduced, but lets just list them all for completeness sake: Pro-Active … [Read more...]

HA/DRS configuration with Virtual SAN Stretched Cluster environment

Advertise here with BSAThis question is going to come sooner or later, how do I configure HA/DRS when I am running a Virtual SAN Stretched cluster configuration. I described some of the basics of Virtual SAN stretched clustering in a what’s new for 6.1 post already, if you haven’t read it then I urge you to … [Read more...]

Using VM-Host rules without DRS enabled

Advertise here with BSAThis week I was playing with the VM-Host rules in my environment. In this particular environment I had DRS disabled and I noticed some strange things when I created the VM-Host rules. I figured it should all work in a normal way as I was always told that VM/Host rules can be configured without … [Read more...]

New fling released: VM Resource and Availability Service

I have the pleasure of announcing a brand new fling that was released today. This fling is called “VM Resource and Availability Service” and is something that I came up with during a flight to Palo Alto while talking to Frank Denneman. When it comes to HA Admission Control the one thing that always bugged … [Read more...]