Hello my name is VMware UMDS. How can I help you.
One of the not so well-known features in vSphere is the VMware Update Manager Download Service or in short UMDS. In this post I will cover what UMDS is, use-cases for UMDS, the installation and...
Category: vSphere
Couldn’t format VMFS on nested ESXi (VSAN datastore)
I was working on a blog post and I needed a nested lab for it. So I deployed one on my newly created 2 node VSAN cluster. I used the templates from the Content...
VMware Tools Part 2 – Versions and Changes
In part 1 I covered the overview about VMware Tools (What is VMware Tools, What are the 3 types of VMware Tools, What is the differences between them etc.). In part 2 I will now...
VMware Tools Part 1 – An Overview
I’m doing VMware or in general virtualization since 2007 and over the years I can say about myself that I build a strong knowledge about it. But it comes the time that even the...
HomeLab Part 8: Cooling and AirFlow
In my last post I had a problem with the onboard 10GBit NICs. My assumption is that they were overheated and therefor failed. I read some blog posts of other blogger and some of them...
HomeLab Part 7: SuperMicro X9SRH-7TF & 10Gbit onboard NIC Problem
After running the new homelab for several month now I encounter a really annoying problem with the onboard 10GBit NICs (TX540-A2). I had the problem that an application was not correctly syncing across the direct...
Cisco Nexus 1000V – What should you know before an Update/Upgrade
As a Technical Account Manager, in my case at VMware, you came across a variety of customers and 3 of my 5 current customers running Cisco Nexus 1000V. Because two of my previous customers, when...
PernixData stops working after upgrade to vSphere 5.5 U2 Patch ESXi550-201505002
During a hardware maintenance task I decided to do update my ESXi hosts to the newest available patch. In my case it was patch ESXi550-201505002 which is the replacement for Patch 5 (ESXi550-201504002). After both hosts where updated...
Things you should know (TYSK) – VCSA and AD Authentication
Since I started using the Virtual Center Server Appliance (VCSA) I noticed a strange behaviour which I didn’t understand in the beginning. When using the WebClient or the C# Client and selected “Use Windows session...
Things you should know (TYSK) – vSphere 5.5 and VMDKs larger than 2TB
I had a recent conversation with one of my ex-colleague discussing about a problem he saw on a NFS datastore with VMDKs when he tries to extend it online beyond 2TB. I told him that...