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Introductie Windows Server 2016

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78 C H A P T E R 3 | Storage Although Microsoft technically supported and provided guidance to use deduplicated volumes with DPM in Windows Server 2012 R2, now further improvements to ensure ease of configuration and support are included within Windows Server 2016 Technical Preview. You can configure this directly in the Windows 2016 GUI or via Windows PowerShell by using the Enable-DeDup cmdlet, but using the new type "Backup." Enable-DedupVolume -Volume -UsageType Backup Another new great option is support for rolling cluster upgrade. You can begin the process of upgrading your cluster nodes to Windows Server 2016 Technical Preview and maintain the deduplication process in Windows Server 2012. Previously this was unsupported. During the migration to Windows Server 2016, all jobs will run in Windows Server 2012 mode. Finally, a minor update, but one still worth noting, is the availability of a Storage Management API (SMAPI) interface for use with System Center 2016 Virtual Machine Manager. This makes it possible for you to set up storage deduplication and status reporting from within System Center 2016 Virtual Machine Manager. Storage Quality of Service One of the "missing" features from previous editions of Windows Server was the ability to apply Quality of Service (QoS) policies in relation to storage traffic. This became a huge problem in virtualization estates; if you wanted to prioritize certain workloads and give them, for example, a guaranteed level of I/O operations per second (IOPS), you simply couldn't do it. In Windows Server 2016 Technical Preview we can now enforce resource fairness or prioritization depending on the policies you want to configure for your storage. The core usage of storage QoS will be focused around Hyper-V VMs deployed on either a Scale-Out File Server or Hyper-V Cluster with Cluster Shared Volumes. Figure 3-14 demonstrates that we can create various policies and apply them to our different VMs, giving you the ability to have different service standards or prioritize business-critical workloads. Figure 3-14: Storage QoS policies and their application to different VM tiers Storage QoS in Windows Server 2016 Technical Preview is turned on by default. This means that you don't need to install an additional role or feature to get going.

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