VIR358 Hyper-V Architecture, Scenarios And Networking
VIR358 Hyper-V Architecture, Scenarios And Networking Jeff Woolsey Senior Program Manager Windows Virtualization Microsoft Corporation 1 Objectives And Takeaways Objective(s) Windows Server 2008 Hyper-V Architecture Why is there a parent partition? Hyper-V Isolation Virtualization Demo Hyper-V Networking
Hyper-V on Laptops, Demo Configs and Considerations Virtualization Comparison 2 Hyper-V Beta In The Press Microsoft's virtualization has three unique advantages: It costs nothing, its administration is integrated into Microsoft's other server management tools, and Windows Server 2008 is the only host OS it needs to support. In that last case, Windows shops derive a serious performance and scalability kick... - Infoworld Even though Hyper-V is still pre-1.0 code, I think Microsoft has done a bang-up job with its hypervisor, and it may just turn this Linux freak into a Windows 2008 junkie for running
his own personal virtualization needs. - ZDNet Yes, jaws actually dropped when it [Hyper-V] was installed in the Test Center. - CRN My experience has left me extremely impressed. Windows Server 2008 on largescale, virtualized enterprise servers will make alternatives a very hard sell. - Infoworld 3 Hyper-V is free as a built-in feature in Server 2008 Standard and ESX Server costs several thousand dollars per copy, depending on the features purchased, so on a pure bang per buck and ease of use basis, it beats ESX and dare I say it the Xen solutions
built into Linux distros hands down. - ZDNet Virtualization In The Industry 4 Virtualization Market Today Computerworld Although virtualization has been the buzz among technology providers, |only 6% of enterprises have actually deployed virtualization on their networks, said Levine, citing a TWP Research report. That makes the other 94% a wide-open market. The Rise of the Virtual Machine and the Real Impact It Will Have
We calculate that roughly 6% of new servers sold last year were virtualized and project that 7% of those sold this year will be virtualized and believe that less than 4% of the X86 server installed base has been virtualized to date. 5 Virtualization 2010 Information Week Oct. 2007 The [virtualization field] is nowhere near saturated. IDC estimates that only 17% of the worldwide server market will be virtualized by 2010, up from 5% in 2005. 6 Microsoft IT Going Green
Production Use Virtual Server in heavy use for 18+ months 2,500+ virtual machines ~100 new VMs per month Consolidation Ratios Test/Development Use Virtual Server in heavy use for 18+ months 500+ virtual machines Consolidation Ratios 16 servers to 1 server 8 servers to 1 server Test/Development Savings 7
Item Physical System Cost Virtual Server Build Cost Savings Number of servers required 477 systems @ a cost of $5k each Total $2.3 million 16 physical host systems @ $20k each Total: $320 thousand Just under 2 million dollars
Hard drive space 19 terabytes 8 terabytes 11 terabytes Rack space 30 racks 2 racks 28 racks Windows Server 2008 Hyper-V 8
Windows Hyper-V Requirements Description Hypervisor based virtualization platform Windows Server 2008 x64 Edition technology Standard, Enterprise and Datacenter Editions Hardware Requirements x64 server with hardware assisted virtualization AMD AMD-V or Intel VT Hardware enabled Data Execution Prevention (DEP) required AMD (NX no execute bit) Intel (XD execute disable) Note: Enabling these BIOS features requires powering down (not rebooting) the server to take effect 9 Architecture
10 Provided by: Hyper-V Architecture OS ISV / IHV / OEM Microsoft Hyper-V Microsoft / XenSource Child Partitions Parent Partition VM Worker Processes Applications
Applications Applications Applications Windows Server 2003, 2008 NonHypervisor Aware OS Xen-Enabled Linux Kernel WMI WMI Provider Provider VM VM Service
Service Windows Server 2008 Windows Kernel VSP VSP Windows Kernel VSC IHV Drivers VMBus
Emulation Emulation Windows hypervisor Designed for Windows Server Hardware 11 Linux Linux VSC VSC VMBus VMBus VMBus User Mode
Hypercall Hypercall Adapter Adapter Kernel Mode Ring -1 Why Not Get Rid Of Parent Partition? No defense in depth Entire hypervisor running in the most privileged mode of the system Virtual Machin e Virtual Machin e
Virtual Machin e User Mode User Mode User Mode Kernel Mode Kernel Mode
Kernel Mode Scheduler Memory Management Storage Stack Network Stack VM State Machine Virtualized Devices Drivers Management API 12 Hardware Ring 3 Ring 0 Ring 1
Micro-kernelized Hypervisor Defense in depth Using hardware to protect Hyper-V doesnt use ring compression, uses hardware assists Further reduces the attack surface Parent Partition VM State Machine Virtualized Devices Management API Storage Stack Network Stack Drivers Virtual Machin e Virtual
Machin e User Mode User Mode Kernel Mode Kernel Mode Scheduler Memory Management Hardware 13
Ring 3 Ring 0 Ring 1 Hyper-V Capabilities 32-bit (x86) & 64-bit (x64) VMs Large memory support (64 GB) per VM SMP VMs (up to 4 cores) Integrated cluster support for HA & Quick Migration BitLocker: Seamless, secure data encryption Live Backup: Volume Shadow Service integration Pass-through disk access for VMs Virtual Machine snapshots New hardware sharing architecture (VSP/VSC/VMBus) Disk, networking, input, video Robust networking: VLANs and NLB
DMTF standard for WMI management interface Support for Full or Server Core installations 14 Windows Server Core Server Core: New minimal installation option Provides essential server functionality Command Line Interface only, no GUI Shell Benefits Less code results in fewer patches and reduced servicing burden Low surface area server for targeted roles More secure and reliable with less management
15 Security Isolation No sharing of virtualized devices Separate VMBus instance per vm to the parent No sharing of memory Each has its own address space VMs cannot communicate with each other, except through traditional networking Guests cant perform DMA attacks because theyre never mapped to physical devices Guests cannot write to the hypervisor Parent partition cannot write to the hypervisor 16 Hyper-V RC0 It Just Works TAP, RDP & MSIT Hyper-V Deployments
Thousands of Hyper-V VMs in PRODUCTION Windows Server 2003/2008 Roles: File, Print, AD, RODC, IIS/Web, TS, Application Services, DHCP, DNS, WSS and more Microsoft Server Products SQL, Exchange, HPC, ISA, Sharepoint, Project Server, VSTS, Configuration Manager, Ops Manager, VMM & more Hyper-V Stats Performance Blockers: ZERO Deployment Blockers: ZERO Application Compatibility Bugs: ZERO Scalability Blockers: ZERO 17 Hyper-V Demo Mike Sterling Program Manager
Windows Virtualization Microsoft Corporation 18 Hyper-V Networking 19 Hyper-V Networking Two physical network adapters at minimum One for management One (or more) for VM networking Dedicated NIC(s) for iSCSI Connect parent to back-end management network Only expose guests to internet traffic
20 Hyper-V Network Configurations Example 1 Physical Server has 4 network adapters NIC 1: Assigned to parent partition for management NICs 2/3/4: Assigned to virtual switches for virtual machine networking Storage is non-iSCSI such as Direct attach SAS or Fibre Channel 21 Hyper-V Setup And Networking 1 22 Hyper-V Setup And Networking 2
23 Hyper-V Setup And Networking 3 24 Each VM On Its Own Switch Child Partitions Parent Partition VM Worker Processes Applications Applications Applications
VM 1 VM 2 VM 3 WMI WMI Provider Provider VM VM Service Service Windows Server 2008 Windows Kernel
VSP VSP VSC Windows Kernel VSC Linux Kernel VSC VSP VSP VSP VSP
VMBus VMBus VMBus VMBus Windows hypervisor Mgmt Mgmt NIC NIC 1 1 VSwitch VSwitch 1 1 NIC NIC 2
2 VSwitch VSwitch 2 2 NIC NIC 3 3 VSwitch VSwitch 3 3 NIC NIC 4 4 Designed for Windows Server Hardware User Mode
VMBus Kernel Mode Ring -1 Hyper-V Network Configurations Example 2 Server has 4 physical network adapters NIC 1: Assigned to parent partition for management NIC 2: Assigned to parent partition for iSCSI NICs 3/4: Assigned to virtual switches for virtual machine networking 26 Hyper-V Setup, Networking And iSCSI
27 Now With iSCSI Child Partitions Parent Partition VM Worker Processes Applications Applications Applications VM 1 VM 2
VM 3 WMI WMI Provider Provider VM VM Service Service Windows Server 2008 Windows Kernel VSC Windows Kernel
Windows hypervisor Mgmt Mgmt NIC NIC 1 1 iSCSI iSCSI NIC NIC 2 2 VSwitch VSwitch 1 1 NIC NIC 3 3
VSwitch VSwitch 2 2 NIC NIC 4 4 Designed for Windows Server Hardware User Mode VMBus Kernel Mode Ring -1 Networking Parent Partition
29 Networking Virtual Switches 30 VM With Legacy And Synthetic NIC 31 Don't forget The ICs! Emulated versus VSC 32 Hyper-V Laptops And Demo Configs And Consideration
33 Hyper-V And Laptops No support for wireless networking Cant sleep/hibernate system Use multiple spindles Disk for system Disk for virtual machines Intel Note: Santa Rosa Chipset and later Supports 4 GB and greater 34 Hyper-V Laptop Configuration Disk 1: Two Partitions Vista SP1 & Windows 2008 Disk 2: Two Partitions
VMs & Storage Disk 1, Partition 2: ~24 GB Disk 2, Partition 2: ~84 GB Windows Server 2008 x64 Edition Storage ISOs Disk 1, Partition 1: ~70 GB Disk 2, Partition 1: ~65 GB Vista SP1 RTM Virtual Machines
Laptop 35 Inexpensive Dev/Demo System Single Proc Quad Core 2.4 GHz 300 GB Drive DVD-RW Burner 1 Gb NIC $700 8 GB DDR2 800 MHz $150 2 500 GB SATA disks $200 ($99 x 2) Total: $1050 36
Creating Virtual Machines Steps 1. 2. 3. 4. 5. 6. 7. Create virtual machine Install guest operating system Install integration components Install anti-virus Install management agents SYSPREP Add it to the SCVMM Library Windows Server 2003 Create vms using 2-way to ensure an MP HAL
37 Microsoft System Center 38 System Center 39 Live host level virtual machine backup In guest consistency Rapid recovery Virtual machine management Server consolidation and resource utilization optimization Conversions: P2V and V2V End to end service management
Server and application health monitoring and management Performance reporting and analysis Patch management and deployment OS and application configuration management Software upgrades What About Heterogeneous Virtualization Management Physical to Virtual Conversion (P2V) Virtual to Virtual Conversion (V2V) Virtual Server to Hyper-V VMware to Hyper-V Virtual Machine Library PowerShell Scripting Delegated Administration Virtual Machine Authoring
VM Templates/Cloning Failover Cluster Integration 40 Virtualization Comparison 41 Virtual Server 2005 versus HyperV 42 Microsoft Virtualization Hyper-V VMWare ESX 3.5 Server x86 & x64
x86 & x64 Large Memory Support 64 GB per VM 64 GB per VM Guest Multi-processing 2/4-core support (free) 2/4-core ($$) Migration Quick Migration WAN Disaster Recovery
Live Migration ($$) Local Disaster Recovery ($$) Unified Physical and Virtual Virtual Machines Virtual Only Architecture Support Management Management Microsoft Provides a Multilevel Approach Infrastructure Management Applications Interoperability 43
Microsoft Roadmap 2008 Windows Server RTM Hyper-V Release Within 180 days of Windows Server 2008 RTM System Center Virtual Machine Manager 2008 System Center Virtual Machine Manager 2008 Beta Adds support for managing Hyper-V Adds support for managing VMware Now Windows Server Hyper-V RC Windows Server Hyper-V Beta With Windows Server 2008 RTM System Center Virtual Machine Manager 2007 Support for Virtual Server
System Center Operations Manager 2007 System Center Configuration Manager 2007 System Center Data Protection Manager 2007 Virtual Server R2 SP1 44 Microsoft Virtualization APIs Virtual Server COM Interface http://msdn2.microsoft.com/en-us/library/ bb309134(VS.85).aspx Virtual Hard Disk Format http://www.microsoft.com/windowsserversystem/ virtualserver/techinfo/vhdspec.mspx Beta Hyper-V WMI Provider APIs http://msdn2.microsoft.com/en-us/library/ cc136992(VS.85).aspx Beta Hyper-V Hypercall Interface
http://www.microsoft.com/downloads/details.aspx? FamilyId=91E2E518-C62C-4FF2-8E503A37EA4100F5&displaylang=en 45 Online Resources Microsoft Virtualization Home http://www.microsoft.com/virtualization Windows Server Virtualization Blog Site http://blogs.technet.com/virtualization/default.aspx Windows Server Virtualization TechNet Site http://technet2.microsoft.com/windowsserver2008/en/servermanager/ virtualization.mspx Windows Server 2008 Hyper-V Release Candidate http://support.microsoft.com/kb/949219 Windows Server 2008 Hyper-V RC Installation Guide http://www.microsoft.com/windowsserver2008/en/us/hypervinstall.aspx
System Center Virtual Machine Manager 2008 Beta http://connect.microsoft.com 46 47 Resources for IT Professionals www.microsoft.com/teched TechTalks Live Simulcasts TechEd Bloggers Virtual Labs http://microsoft.com/technet Evaluation licenses, pre-released products, and MORE! Resources
For virtualization Events Whitepapers Downloads Case Studies Visit: www.microsoft.com/virtualization 1 Year Subscription! Complete an evaluation on CommNet and enter to win! 51
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