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Markus Erlacher Technical Specialist Microsoft Corporation.

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Presentation on theme: "Markus Erlacher Technical Specialist Microsoft Corporation."— Presentation transcript:

1 Markus Erlacher Technical Specialist Microsoft Corporation

2 Building on the rock-solid architecture of Windows Server 2008 Hyper-V Integration with new technologies Enabling new dynamic scenarios: Increased Server Consolidation Dynamic Data Center Virtualized Centralized Desktop Customer Driven


4 #1 Customer Request Moving a virtual machine from one server to another without loss of service Enables new dynamic scenarios Load balancing VMs via policy

5 Live Migration via Cluster Manager In box UI Live Migration via Virtual Machine Manager Orchestrate migrations via policy Moving from Quick to Live Migration: Guest OS limitations?:No Changes to VMs needed?:No Changes to Storage infrastructure:No Changes to Network Infrastructure:No Update to Windows Server 2008 R2 Hyper-V:Yes

6 Quick Migration (Windows Server 2008 Hyper-V) 1. Save state a) Create VM on the target b) Write VM memory to shared storage 2. Move virtual machine a) Move storage connectivity from source host to target host via Ethernet 3. Restore state & Run a) Take VM memory from shared storage and restore on Target b) Run Live Migration (Windows Server 2008 R2 Hyper-V) 1. VM State/Memory Transfer a) Create VM on the target b) Copy memory pages from the source to the target via Ethernet 2. Final state transfer a) Pause virtual machine b) Move storage connectivity from source host to target host via Ethernet 3. Un-pause & Run Host 1 Host 2 Host 1 Host 2

7 1. Create VM on target server Host 1 Host 2 Blue = Storage Purple = Networking Shared Storage 3. Final state transfer a) Pause virtual machine b) Move storage connectivity from source host to target host via Ethernet 4. Run new VM on source; Delete VM on target 2. Copy memory pages from the source to the target via Ethernet

8 ConfigurationConfigurationConfigurationConfigurationStateStateStateState

9 Windows Server 2008 R2 Hyper-V NEW Cluster Shared Volume (CSV) CSV provides a single consistent file name space; All Windows Server 2008 R2 servers see the same storage Easy setup; Uses NTFS No reformatting SANs Create one big data store No more drive letter problems Existing tools just work

10 All servers “see” the same storage



13 Today, processors provide one level of address translation, but hypervisor needs to manage two Guest Virtual Address Guest Physical Address System Physical Address Guest OS defines GVA-to- GPA mappings Hypervisor defines GPA-to- SPA mappings Guest Virtual Address System Physical Address Shadow page tables combine these mappings because the processor knows how to perform only one level of translation

14 Hypervisor maintains a Shadow Page Table Combines two layers of translation into a single page table Demand-filled when Child OS touches a page Flushed any time the Child OS modifies its page tables Shadow Page Table overhead Fills and flushes invoke the hypervisor Can account for up to 10% of total CPU time Consumes roughly 1MB of memory per VM

15 Goes by several names Intel calls it Extended Page Tables (EPT) AMD calls it Nested Page Tables (NPT) or Rapid Virtualization Indexing (RVI) Processor provides two levels of translation Walks the guest OS page tables directly No need to maintain Shadow Page Table No hypervisor code for demand-fill or flush operations Resource savings Hypervisor CPU time drops to 2% Roughly 1MB of memory saved per VM

16 Overview Scheduling virtual machines on a single server for density as opposed to dispersion This allows “park/sleep” cores by putting them in deep C states Benefits Enhances Green IT by reducing CPU power consumption




20 Overview Add and remove VHD and pass-through disks to a running VM without requiring a reboot. Hot-add/remove disk applies to VHDs and pass- through disks attached to the virtual SCSI controller Benefits Enables storage growth in VMs without downtime Enables additional datacenter backup scenarios Enables new SQL/Exchange scenarios


22 TCP Offload support Overview TCP/IP traffic in a VM can be offloaded to a physical NIC on the host computer. Benefits Reduce CPU burden Networking offload to improve performance Live Migration is supported with Full TCP Offload

23 Virtual Machine Queue (VMQ) Support Overview NIC can DMA packets directly into VM memory VM Device buffer gets assigned to one of the queues Avoids packet copies in the VSP Avoids route lookup in the virtual switch (VMQ Queue ID) Allows the NIC to essentially appear as multiple NICs on the physical host (queues) Benefits Host no longer has device DMA data in its own buffer resulting in a shorter path length for I/O (performance gain)

24 Jumbo Frame Support Ethernet frames >1,500 bytes Ad hoc standard is ~9k Overview Enables 6x larger payload per packet Benefits Improves throughput Reduce CPU utilization of large file transfers


26 Overview RSV - Virtualized “Centralized Desktop” provisioning, access and management solution on top of Hyper-V Unified user and admin experience for traditional RDS (session per user) and RSV (VM per user). Deployment Scenarios Temporary (until Logoff) VM per user Assignment Permanent VM per user assignment Built-in solution for low complexity deployments Features and management are tuned for Entry Level deployments. Example: 4 RDS/RDVM Servers with few apps.



29 A centralized management application solution for the virtual data center VM VMVM Heterogeneous Management Manage Hyper-V, Virtual Server and VMware from a single console Maximize Resources Centralized virtual machine deployment and management Intelligent placement of virtual machines Fast and reliable Physical to Virtual (P2V) and Virtual to Virtual (V2V) conversion Comprehensive service-level enterprise monitoring with Microsoft ® Operations Manager Increase Agility Rapid provisioning of new and virtual machines with templates and profiles Centralized library of infrastructure components Take advantage and extend existing storage infrastructure Allow for delegated management of virtual machines Take Advantage of Skills Familiar interface, common foundation Monitor physical and virtual machines from one console Fully scriptable using Windows PowerShell™



32 Released and available as a free download at Simplified and optimized Provides basic virtualization capabilities Great stand-alone hypervisor-based virtualization product. Reliable and responsive Micro-kernelized hypervisor with no third party device drivers Rapidly provision new virtual machines Easily integrates into existing infrastructure Leverage existing management tools (e.g,: System Center Virtual Machine Manager) Leverage existing support tools & processes Leverage existing IT Pro skill-set and knowledge

33 Next release of the Microsoft Hyper-V Server product Builds on the architectural foundation of Windows Server 2008 R2 Hyper-V Enhanced capabilities and features Clustering and live migration Support for increased sockets (8) Support for large memory (1 TB) Boot from USB connected storage device

34 Capabilities Microsoft Hyper-V Server Microsoft Hyper-V Server V2WS 2008 R2 EE, DC Processor Architecture - 64 bitYes Hypervisor-basedYes Product TypeStandalone product Operating System Number of SocketsUp to 4Up to 8Up to 8 = EE | Up to 64 = DC MemoryUp to 32 GBUp to 1 TBUp to 1TB memory VM MigrationNoneQuick and Live migrationQuick and Live Migration (EE & DC) Administrative UI Command Line, text based config utility & remote GUI management Command line, text based config utility and remote GUI management Command Line, remote management, and GUI (Hyper-V Manager MMC) ManagementExisting management tools Manageable by SC Virtual Machine Manager Yes (SCVMM 2008)Yes (SCVMM 2008 SP1) Virtualization Rights for Windows Server 2008 guests 00 EE = 4 VM DC Edition = unlimited VM per proc Number of running VM GuestsUp to 192, or as many as physical resources allow Windows Server 2008 CALs Required for Guest Server OS No Yes Storage Direct Attach Storage (DAS): SATA, eSATA, PATA, SAS, SCSI, USB, Firewire Storage Area Networks (SANs): iSCSI, Fiber Channel, SAS Guest OS support Windows Server 2008 R2, Windows Server 2008, Windows Server 2003 SP2, Windows 2000 Server, Novell SUSE Linux Enterprise Server 10, Windows Vista SP1 & Windows XP SP3/SP2

35 Microsoft Hyper-V Server 2008 Free download Windows Server 2008 Production ready & available now System Center Virtual Machine Manager 2008 Available now Windows Server 2008 R2 Beta Available now System Center Virtual Machine Manager 2008 R2 Beta Available now Get started today!

36 Microsoft Virtualization Home: Windows Server Virtualization Blog Site: Windows Server Virtualization TechNet Site: MSDN & TechNet Powered by Hyper-V Virtualization Solution Accelerators How to install the Hyper-V role Windows Server 2008 Hyper-V Performance Tuning Guide Using Hyper-V & BitLocker White Paper 3fda14e84545&DisplayLang=en

37 Presentations TechDays: MSDN Events: MSDN Webcasts: MSDN Events MSDN Events: Save the date: TechEd 2009 Europe, 9-13 November 2009, Berlin MSDN Flash (our by weekly newsletter) Subscribe: MSDN Team Blog RSS: Developer User Groups & Communities Mobile Devices: Microsoft Solutions User Group Switzerland: Managed User Group of Switzerland: FoxPro User Group Switzerland: www.fugs.ch

38 Presentations TechDays: TechNet Events TechNet Events: Save the date: TechEd 2009 Europe, 9-13 November 2009, Berlin TechNet Flash (our by weekly newsletter) Subscribe: Schweizer IT Professional und TechNet Blog RSS: IT Professional User Groups & Communities SwissITPro User Group: NT Anwendergruppe Schweiz: PASS (Professional Association for SQL Server):

39 7. – 8. April 2010 Congress Center Basel

40 Classic Sponsoring Partners Media Partner Premium Sponsoring Partners


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