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Category: ESXi (page 1 of 4)

Replace vSAN Witness host

There are several reasons why a replacement of the vSAN Witness could be necessary. Migration from HW Witness to a VM, replacement of a faulty Witness or like it was in my case upgrade of the Witness host to the actual version.

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After upgrade to vCSA 6.5 – Scan for Updates fails with unknown error

After upgrading my production vCSA from 6.0 to 6.5 U1d, the “Scan for Updates” always runs in an unknown error. Before the upgrade everything works fine and the upgrade of the vCSA was easy to and finished without any error.

After some research and logfile analyzing I found two solutions.

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Upgrade the vSAN Witness Appliance

I’m using vSAN within my Homelab. In this post I explain the update (replacement) of the vSAN Witness Appliance. An update is a replacement in fact. You power up a new Witness Appliance, configures it, disable the Stretched Cluster and reconfigure this one with the new Witness.

Sounds to easy? But it is…

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Deploy vSAN Witness Appliance

This little post describes the deployment of the vSAN Witness Appliance.

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Upgrade vCSA 6.0 to 6.5

vSphere 6.5 is now GA. In this post I want to go through the upgrade process of the vCenter Server Appliance (vCSA). First thing I can say. It works really good :)

The upgrade process will create a new machine and transfer all data (you can choose between configuration + events + performance data) from the old one to the new vCSA.

Please think about, when to install the upgrade… All 3rd party software, which is using the vCenter must support the new version. If you have a lab this could be okay, but in your production it is not much fun, if backup or something else fails.

But now to the upgrade…

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