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Table of contents, Table of contents 1, Beyond Virtualization 6. Before Windows Server 2012 R2 6, Windows Server 2008 R2 Hyper V Enhancements 7. Windows Server 2008 R2 Hyper V Benefits 7, Windows Server 2012 Hyper V and Windows Server 2012 R2 7. Scalability Performance Density 8, Virtual Machine NUMA 9. Enhanced Storage Capabilities 10, Support for Advanced Format Drives 4 KB Sector Disks in Hyper V 11.
New Virtual Hard Disk Format VHDX 12, Online Virtual Hard Disk Resize 15. Online Checkpoint Merge 16, Virtual Fibre Channel in Hyper V 17. Offloaded Data Transfer 19, Enhanced Networking Performance 21. Virtual Receive Side Scaling 21, Dynamic Virtual Machine Queue 23. Single Root I O Virtualization 24, Enhanced Resource Management 26.
Dynamic Memory 26, Hyper V Resource Metering 29, Network Quality of Service QoS 32. Storage Quality of Service QoS 36, Virtualized Workload Performance 37. Security Multitenancy 42, Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 2. The Hyper V Extensible Switch 42, ARP ND Poisoning and Spoofing Protection 44. DHCP Guard Protection 44, Hyper V Virtual Switch Extended Port ACLs 44.
Trunk Mode to Virtual Machines 45, Monitoring 45, Windows PowerShell and WMI 45. Extending the Extensible Switch 46, Extensibility 47. Manageability 49, Partner Extensions 49, Physical Security 50. BitLocker 51, Flexible Infrastructure 53, Linux Support on Hyper V 53. 64 vCPU Support Deeper Integration Services Support 54. Synthetic Frame Buffer Driver 54, Dynamic Memory Support 54.
Live Virtual Machine Backup Support 54, Dynamic Expansion of Live Fixed Sized VHDXs 55. Linux kdump kexec support 55, NMI Support 55, Specification of Memory Mapped I O MMIO Gap 55. Virtual Machine Live Cloning 56, Virtual Machine Mobility 57. Live Migration 57, SMB Based Live Migration 59, Faster and Simultaneous Migrations 59. Live Migration with Compression 59, Live Migration over SMB 60.
Storage Live Migration 61, Shared Nothing Live Migration 62. Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 3. Cross Version Live Migration 65, Reliably Import Virtual Machines 66. Automation Support for Hyper V 68, Hyper V Network Virtualization 70. Practical Applications 72, Network Virtualization Key Benefits 73. Network Virtualization Concepts 74, Packet Encapsulation 76.
Network Virtualization through Address Virtualization 77. Network Virtualization Architecture 79, Network Virtualization Routing Between Virtual Subnets 80. Network Virtualization Routing Outside the Virtual Network 80. High Availability Resiliency 83, NIC Teaming 83, Architecture 84. NIC Teaming Configurations 84, Traffic Distribution Algorithms 85. NIC Teaming In Virtual Machines 86, Failover Clustering 86. Cluster Shared Volumes 87, Active Directory Detached Clusters 89.
Cluster Quorum Dynamic Witness 89, VM Drain on Shutdown 93. VM Network Health Detection 93, Enhanced Cluster Dashboard 94. VM Monitoring 94, Failover Priority Affinity and Anti Affinity 96. Cluster Aware Updating 97, Guest Clustering 100, Shared VHDX 101. Incremental Backup 103, Windows Azure Backup Integration 104.
Hyper V Replica 105, Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 4. Extended Replication 107, Windows Azure Hyper V Recovery Manager 109. Virtualization Innovation 111, Generation 2 VMs 111. Enhanced Session Mode 112, Automatic Virtual Machine Activation 114. Conclusion 116, Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 5.
Beyond Virtualization, Server virtualization has evolved over the past few years from a nascent technology into a mature IT feature. In the process businesses of all shapes and sizes have begun taking advantage of its power to meet shifting. business needs By virtualizing their workloads organizations can control and cut costs while improving the. scalability flexibility and reach of IT systems, With these advances however comes the realization that virtualization by itself does not allow. organizations to build or take advantage of cloud services which are assuming an ever growing role in the. execution of business tasks, Microsoft has taken a leading position in the advancement of virtualization technology with Hyper V First. introduced as part of Windows Server 2008 and then expanded and enhanced in Windows Server 2008 R2. and again in Windows Server 2012 Hyper V provides organizations with a tool for optimizing server. hardware investments by consolidating multiple server roles as separate virtual machines running on a. single physical host machine They can also use Hyper V to efficiently run multiple operating systems. including operating systems other than Windows such as Linux together on a single server and take. advantage of the power of 64 bit computing, This whitepaper discusses the significant improvements made to the virtualization capabilities in Windows. Server 2012 R2 and how these combine with the existing powerful capabilities of Windows Server 2012. Hyper V to provide customers with a comprehensive platform to handle the demands of the modern. datacenter, Before Windows Server 2012 R2, Let s first review the Hyper V improvements that the earlier versions of Windows Server provide Beginning.
with Windows Server 2008 in June 2008 server virtualization via Hyper V technology has been an integral. part of the operating system A new version of Hyper V was included as a part of Windows Server 2008 R2. and this was further enhanced with Service Pack 1 SP1. There are two manifestations of the Hyper V technology. Hyper V is the hypervisor based virtualization role of Windows Server. Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 6. Microsoft Hyper V Server is the hypervisor based server virtualization product that allows customers. to consolidate workloads onto a single physical server This is available as a free download. Windows Server 2008 R2 Hyper V Enhancements, With the launch of Windows Server 2008 R2 Hyper V in October 2009 Microsoft introduced a number of. compelling capabilities to help organizations reduce costs whilst increasing agility and flexibility Key. features introduced included, Live Migration Enabling the movement of virtual machines VMs with no interruption or downtime. Cluster Shared Volumes Highly scalable and flexible use of shared storage SAN for VMs. Processor Compatibility Increase the Flexibility for Live Migration across hosts with differing CPU. architectures, Hot Add Storage Flexibly add or remove storage to and from VMs. Improved Virtual Networking Performance Support for Jumbo Frames and Virtual Machine Queue. With the addition of Service Pack 1 SP1 for Hyper V in October 2011 Microsoft introduced 2 new key. capabilities to help organizations realize even greater value from the platform. Dynamic Memory More efficient use of memory while maintaining consistent workload performance. and scalability, RemoteFX Provides the richest virtualized Windows 7 experience for Virtual Desktop Infrastructure. VDI deployments, Windows Server 2008 R2 Hyper V Benefits.
Hyper V is an integral part of Windows Server and provides a foundational virtualization platform that lets. customers transition to the cloud With Windows Server 2008 R2 customers get a compelling solution for. core virtualization scenarios production server consolidation dynamic data center business continuity. Virtual Desktop Infrastructure VDI and test and development Hyper V provides customers with better. flexibility with features like live migration and cluster shared volumes for storage flexibility In Windows. Server 2008 R2 Hyper V also delivered greater scalability with support for up to 64 logical processors and. improved performance with support for dynamic memory and enhanced networking support. Windows Server 2012 Hyper V and Windows Server 2012 R2. Fast forward to September 2012 and the launch of Windows Server 2012 This brought an incredible. number of new and an enhanced Hyper V Capabilities These capabilities many of which we ll discuss in. this paper ranged from enhancements around scalability new storage and networking features significant. enhancements to the Live Migration capabilities deeper integration with hardware and an in box VM. replication capability to name but a few These improvements new features and enhancements can be. grouped into 4 key areas and it s these key areas we ll focus on throughout this whitepaper looking at both. Windows Server 2012 and R2 The 4 key areas are, Scalability Performance Density customers are looking to run bigger more powerful virtual. machines to handle the demands of their biggest workloads In addition as hardware scale grows. customers wish to take advantage of the largest physical systems to drive the highest levels of density. and reduce overall costs, Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 7. Security Multitenancy Virtualized data centers are becoming more popular and practical every day. IT organizations and hosting providers have begun offering infrastructure as a service IaaS which. provides more flexible virtualized infrastructures to customers server instances on demand Because. of this trend IT organizations and hosting providers must offer customers enhanced security and. isolation from one another and in some cases encrypted to meet compliance demands. Flexible Infrastructure In a modern datacenter customers are looking to be agile in order to respond. to changing business demands quickly and efficiently Being able to move workloads flexibly around. the infrastructure is of incredible importance and in addition customers want to be able to choose. where best to deploy their workloads based on the needs of that workload specifically. High Availability Resiliency As customers confidence in virtualization grows and they virtualize. their more mission critical workloads the importance of keeping those workloads continuously available. grows significantly Having capabilities built into the platform that not only help keep those workloads. highly available but also in the event of a disaster quick to restore in another geographical location is. of immense importance when choosing a platform for today s modern datacenter. Throughout these 4 areas we ll explore the challenges that customers face and how the capabilities found. within Windows Server 2012 R2 can help address those challenges with powerful yet cost effective. Scalability Performance Density, Hyper V in Windows Server 2008 R2 supported configuring virtual machines with a maximum of four virtual. processors and up to 64 GB of memory However IT organizations increasingly want to use virtualization. when they deploy mission critical tier 1 business applications Large demanding workloads such as online. transaction processing OLTP databases and online transaction analysis OLTA solutions typically run on. systems with 16 or more processors and demand large amounts of memory For this class of workloads. more virtual processors and larger amounts of virtual machine memory are a core requirement. Scalability however goes beyond just running workloads Customers also need to ensure that the demands. of workloads can be handled effectively by scalable storage and networking infrastructure and to do so. must take advantage of the latest and greatest hardware innovations. With Windows Server 2012 and subsequently 2012 R2 there were a number of design goals to try to. address these challenges Not only do we want to enable customers to run their most demanding of. applications whilst providing the highest levels of performance and scale but at the same time we want to. ensure that customers can provide optimal resource usage and availability across their infrastructure. From an out and out scalability perspective Hyper V in Windows Server 2012 R2 greatly expands support. for host processors and memory over Windows Server 2008 R2 Hyper V New features include support for. up to 64 virtual processors and 1TB of memory for Hyper V guests a new VHDX virtual hard disk format. with larger disk capacity of up to 64 TB and additional resiliency and alignment optimization which we ll. discuss later These features help ensure that the virtualization infrastructure can support the configuration. of large high performance virtual machines to support workloads that might need to scale up significantly. These however aren t the only improvements in Windows Server 2012 Hyper V as you can see from the. table below, Windows Server 2012 R2 Virtualization Technical Scenarios and Solutions 8. System Windows Server Windows Server Improvement, 2008 R2 Hyper V 2012 R2 Hyper V Factor.
Host Logical Processors 64 320 5, Physical Memory 1TB 4TB 4. Virtual CPUs per Host 512 2 048 4, VM Virtual CPUs per VM 4 64 16. Memory per VM 64GB 1TB 16, Active VMs per Host 384 1 024 2 7. Guest NUMA No Yes, Cluster Maximum Nodes 16 64 4, Maximum VMs 1 000 8 000 8. Table 1 Comparison of Windows Server 2008 R2 Hyper V Windows Server 2012 R2 Hyper V Scalability. From a host perspective you can see from the table that Hyper V supports up to 4TB of physical memory. per host and up to 2 048 vCPUs per host This is a 4x increase over Windows Server 2008 R2 Hyper V and. means that a customer could in reality run 1 024 2 v. Windows Server 2012 Hyper V and Windows Hyper V is an integral part of Windows Server and provides a foundational Hyper V in Windows Server 2012 R2 greatly

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