Host in vSAN cluster with 0 components while other hosts are almost full?

Advertise here with BSA Internally someone just bumped into an issue where a single host in a cluster wasn’t storing any of the created vSAN Components / Objects. It was to the point where every single host in the cluster was close to the maximum of 9000 components, but that one host had 0 components. After some … [Read more...]

vSphere FT and vVols/SPBM an unsupported config? Why?

Advertise here with BSA I was pointed out by a customer (thanks Johan), that vSphere FT is not supported when using SPBM on non-vSAN based storage systems. You may wonder why this is, at least I did wonder. I figured it would be a testing constraint of some sort, but after emailing product management, engineering, and … [Read more...]

VCG Notification demo and Changing the Default vSAN Policy Demo

Advertise here with BSA I created two youtube video last week which I just wanted to share with everyone. In these demo’s I am showing the new VCG Notification option. The VCG Notification option is very useful for customers who want to be notified via email when a change to a component of a ready node configuration … [Read more...]

Running ESXi in “Degraded Mode”, what does that mean?

Advertise here with BSA I received a question today, and I didn’t have the answer so I reached out to one of the developers. This person found this line in the ESXi documentation where it states the following, and the question was what does running ESXi in degrade mode actually means, or what is the impact? If a local … [Read more...]

vCenter 7.0 stating “New vCenter server updates are available” while there are no updates?

Advertise here with BSA I have seen this issue reported on the VMware Community Forum a few times, when you run vCenter 7.0 you will receive a message in the vSphere Client stating the following “New vCenter server updates are available”. When you then click “View Updates” however you will notice that there are no … [Read more...]

How to deploy vSphere 7 with Kubernetes on a single not-nested ESXi node

In a previous article I explained how to deploy vSphere with Kubernetes on a nested two node ESXi environment. Because the deployment wizard doesn’t check if you have the required number of ESXi hosts available you can even choose to deploy vSphere with Kubernetes on a single host. William Lam already posted an … [Read more...]

Running vSphere 6.7 or 6.5 and configured HA APD/PDL responses? Read this…

Advertise here with BSA If you are running vSphere 6.7 or 6.5 and have not installed 6.7 P02 or 6.5 P05 yet and you have APD/PDL responses configured within vSphere HA it could be that an issue causes VMs not to be failed over when an APD or PDL occurs. This is a known issue in the release, and P02 or P05 solves this … [Read more...]

vSphere HA internals: restart placement changes in vSphere 7!

Advertise here with BSA Frank and I are looking to update the vSphere Clustering deep dive to vSphere 7. While scoping the work I stumbled on to something interesting, and this is the change that was introduced for the vSphere HA restart mechanism, and specifically the placement of VMs in vSphere 7. In previous … [Read more...]

vSphere HA internals: VMCP super aggressive option in vSphere 7

Advertise here with BSA Most of you probably heard about a feature called VMCP aka VM Component Protection. If not, this is the functionality in vSphere HA that enabled you to restart VMs which have been impacted by a PDL (permanent device loss) or APD (all paths down) scenario. (If you have no idea what I am talking … [Read more...]

vSphere 7 with Kubernetes – 2 Node Lab Deployment

I was really looking forward to get my hands on vSphere 7 with Kubernetes. Although a minimum of 3 hosts is required in a VCF setup, the vSphere Web Client told me a two node cluster should also suffice…and in the meantime I’ve learned even a one node (lab) deployment is an option. In this article […] … [Read more...]