Performance Overhead of Nested Virtualization on Windows Server 2016 Technical Preview 4

Nested virtualization is running virtualization inside a virtualized environment. On Windows Server 2016 Technical Preview 4, you may run the Hyper-V server role inside a virtual machine. For more information regarding nested virtualization please visit the link below.https://msdn.microsoft.com/en-us/virtualization/hyperv_on_windows/user_guide/nesting No doubt, nested virtualization is extremely useful, especially for the engineering group who need the access the physical…

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Understand Storage Space Tiering in Windows Server 2012 R2

Background Although Windows Server 2012 R2 has already released for more than 2 years, from time to time people still has questions regarding the Storage Space Tiering in it. For example: Storage Space Tiering in Windows Server 2012 R2 is based on file or disk block? What's the write back cache in Storage Space Tiering? Why…

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Performance Consideration for Disaggregated and Hyper-converged Configurations

There are two targeted deployment scenarios for Windows Server 2016 Storage Spaces Direct (S2D). Both cases provide storage for Hyper-V, specifically focusing on Hyper-V IaaS (Infrastructure as a Service) for Service Providers and Enterprises. The disaggregated deployment scenario separate has the Hyper-V servers (compute node) in a separate cluster from the S2D servers (storage node)….

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Build an All-Flash Share Nothing High Available Scale-Out Storage for Private Cloud

NVMe drive can provider 10x better performance compare to the traditional SAS/SATA SSD. However since it needs to be plugged in the PCIe slot instead of the RAID controller, there is no way to create hardware RAID array across multiple NVMe drives. You still cloud leverage the soft RAID capability provided by operating system (e.g….

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Deploy and Manage a Nano Server

Nano Server is a remotely administered server operating system optimized for hosting in private clouds and datacenters. It is similar to Windows Server in Server Core mode, but markedly smaller. Also, there is no local logon capability, nor does it support Terminal Services. It takes up far less disk space, sets up significantly faster, and…

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Leverage GRE Tunneling to enable the multi-tenant direct routing on Windows Server Gateway

Windows Server Gateway (WSG) is multi-tenant gateway but the forwarding gateway functionality is not which can only support one virutal network. That means if you want to enable direct routing for multiple virtual networks, you have to have equal number of dedicated HNV Gateway. That's not cost effiective for service provider. As the paper "GRE Tunneling in Windows…

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Connect Virtual Networks between Windows Azure Pack and Windows Azure

Both Windows Azure Pack and Windows Azure use IPSec S2S VPN to connect on-premise environment to the virutal network in Cloud. Now the question is is that possible connect to those virtual networks together. I decided to give it a try and first created a virutal networks in both Windows Azure (I use Mooncake in this…

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