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Hyper-V 2016 Best Practices

You're reading from   Hyper-V 2016 Best Practices Harness the power of Hyper-V 2016 to build high-performance infrastructures that suit your needs

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Product type Paperback
Published in Oct 2016
Publisher Packt
ISBN-13 9781785883392
Length 246 pages
Edition 1st Edition
Tools
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Authors (2):
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Benedict Berger Benedict Berger
Author Profile Icon Benedict Berger
Benedict Berger
Romain Serre Romain Serre
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Romain Serre
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Table of Contents (10) Chapters Close

Preface 1. Accelerating Hyper-V Deployment 2. Deploying Highly Available Hyper-V Clusters FREE CHAPTER 3. Backup and Disaster Recovery 4. Storage Best Practices 5. Network Best Practices 6. Highly Effective Hyper-V Design 7. Hyper-V Performance Tuning 8. Management with System Center and Azure 9. Migration to Hyper-V 2016

Rolling cluster upgrade


Since Windows Server 2016, there is a new way to migrate a Windows Server 2012 R2 cluster to Windows Server 2016. This is called Rolling cluster upgrade. Now you can mix in the same cluster nodes running on Windows Server 2012 R2 and Windows Server 2016.

Microsoft has implemented a cluster functional level. A cluster running on Windows Server 2012 R2 is at cluster version 8 while a cluster running on Server 2016 is at cluster version 9. When a cluster contains Windows Server 2012 R2 and Windows Server 2016 nodes, it is in mixed OS mode but still in cluster version 8.

To upgrade the cluster, you have to evict each node one by one. When a node is evicted, you have to upgrade the node to Windows Server 2016 (I recommend that you do a clean install). Once the node is in Windows Server 2016, you can add it again to the cluster:

Rolling Cluster Upgrade

Once all cluster nodes are upgraded to Windows Server 2016, you can run this PowerShell cmdlet:

Update-ClusterFunctionalLevel...
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