vCenter Server Migration ODBC Connection Requirement

This month, I have started a project with a customer involving the upgrade of the current vSphere 5.5 environment to vSphere 6.5 including to migration to the vCenter Server Appliance. The environment has already been upgraded several times resulting in a configuration that was uh.. lets call it ‘not optimal’. The vCenter Server has been…

To stretch or not to stretch?

In recent projects the use of stretched cluster solutions has been a recurring topic. But why is it a recurring topic, and what are the benefits and drawbacks? The primary benefit of a stretched cluster solution is to enable active-active and workload balanced data centers. The solution has the ability to migrate virtual machines between…

VCSA Migration – Syslog and Dump Collector

In preparation for an upcoming project it was time to try out the vCenter Server Migration Tool for 6.0 (vCenter Server 6 U2M). I started with reading the vSphere Migration Guide and Release Notes to find out what the prerequisites are and if any known issues are reported. vSphere Migration Guide Release Notes In the release notes…

VCSA Upgrade and VM Monitoring

With the release of vCenter Server 6.0 Update 2a and ESXi 6.0 Patch 4 I decided it was time the update the lab environment. Both releases contain a lot of fixes, some specifically for VSAN. Release notes vCenter Server 6.0 Update 2a ESXi 6.0 Patch 4 The update went perfect on the Platform Service Controllers…

vSphere 6.5 Storage – What’s new

This VMworld EU 2016 VMware announced the long awaited vSphere 6.5. This blogpost focuses on the new and enhanced storage features in vSphere 6.5. VMFS-6 A new version of the VMFS file system is introduced providing an all-round performance improvement including faster file creation, device discovery and device rescanning. Maybe the biggest change is that…

Cross vCenter vMotion – Cannot connect to host

21 November – VMware engineering has given a fix for this issue. Results are posted at the end of this post. 17 October – Currently this issue is under investigation by VMware and the SR has been referred to VMware engineering. The workaround for this issue at this time is to not use the provision…

VMCA subordinate CA caveats

vSphere 6 comes with the VMware Certificate Authority service on the VCSA. It’s possible to configure this as a subordinate CA in the existing CA infrastructure. We tested this configuration in our lab environment and ran into some issues with this configuration. As I don’t have any screenshots of the issues, I will try and…