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Category Archives: Hyper-V

Nutanix Changing to Hyper-V

As a follow up to my previous article on how to change the hypervisor on a new node from the factory here are my tips and tricks on how the process has changed since Nutanix no longer include the hypervisor binaries in the NOS Phoenix package. There is now the Foundations Installer...
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Nutanix Foundations Fails to Image

I have been working on a project to change from a six node Nutanix VMware cluster to a Hyper-V one, simple I thought. Here was my intended method:
  • Remove three nodes
  • Reimage to Hyper-V using the Phoenix package and the Foundations VM
  • Create a new cluster.
  • V2V all the VMs using SCVMM
  • Destroy the old cluster
  • Reimage those nodes and add to the...
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VMM – failed to add device ‘Virtual CD/DVD Disk’

So you try to mount an ISO in the VMM library with the shared option and get the following error: [error] Error (12700) VMM cannot complete the host operation on the (SERVER FQDN) server because of the error: 'VMName' failed to add device 'Virtual CD/DVD Disk'. (Virtual machine ID GUID) Failed to open attachment '(Library path to the ISO)'....
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VMM cannot find the device or this device is not valid for a boot device

So you create a new Generation 2 (Gen2) virtual machine and install either Windows Server 2012 or 2012R2, you customise it and then you convert it in to a template in SCVMM. All is normal. You go to deploy that template from the library and it fails with the following: [error]VMM cannot find the device or this device is not valid for a...
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Nutanix Hyper-V Cluster

So I have been working recently on a large VDI project based on the Nutanix converged platform, which I have used before but only in its VMware hypervisor version, this time however the solution was to be based on Hyper-V. So here is what I have learned...... The documentation is not complete or entirely accurate!!!!!  However...
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Changing Nutanix Hypervisor

Nutanix now provide a hypervisor agnostic platform, which is great however if you do not clearly state which hypervisor you want it will come out of the factory with KVM installed, as I found out on my last project. When I contacted Nutanix to ask what to do to change it to Hyper-V I was braced...
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Error in Failover Cluster Manager 2012 Console

So you have taken the leap your going to build that Hyper-V 2012 Cluster.    You build your hosts, you configure Hyper-V and Failover Clustering.   Then like any good IT Professional you patch all the hosts to the same level only to find that when you open the Failover Cluster Management Console you get the bellow...
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Bye-bye Snapshots, Hello Checkpoints!

Just a quick post for those who are using Hyper-V in either Server 2012 R2 or Windows 8.1 (Client Hyper-V). The feature previously known as 'Snapshot' is no longer present - it has been replaced by the term 'Checkpoint'. For those that did not know, this allowed for virtual machines to be returned to a previous state...
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