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Whats New In 2008 R2 Hyper V And Vmm 2008 R2

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A presentation on the new features of Windows Server 2008 R2 Hyper-V and System Center Virtual Machine Manager 2008 R2.

A presentation on the new features of Windows Server 2008 R2 Hyper-V and System Center Virtual Machine Manager 2008 R2.

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Whats New In 2008 R2 Hyper V And Vmm 2008 R2 Whats New In 2008 R2 Hyper V And Vmm 2008 R2 Presentation Transcript

  • What’s New with Hyper-V 2008 R2 and VMM 2008 R2
    Live Meeting:
    • Install the LiveMeeting Client: http://office.microsoft.com/en-us/help/HA101733831033.aspx
    • Enable audio in Windows and the client
    • Troubleshooting: http://support.microsoft.com/ph/925#tab0
  • What’s New with Hyper-V 2008 R2 and VMM 2008 R2
    Aidan Finn
    BSc, MCSE, MVP
    http://joeelway.spaces.live.com
  • What’s New with Hyper-V 2008 R2 and VMM 2008 R2
    Aidan Finn
    BSc, MCSE, MVP
    http://joeelway.spaces.live.com
  • Agenda
    • Editions
    • Cluster Shared Volumes
    • Live Migration
    • Core Parking
    • Second Level Address Translation
    • Virtual Machine Queue
    • Native VHD
    • Virtual Machine Manager 2008 R2
  • About Aidan Finn
    • Working with large and complex IT since 1996
    • Specialised in servers and systems management
    • MVP:
    • 2008: Configuration Manager
    • 2009: Virtualisation – Systems Management
    • Blog: http://joeelway.spaces.live.com
    • Windows User Group: http://ws-ugi-spaces.live.com
  • Versions
    Max per host support increased:
    • 64 logical processors (cores)
    • 512 virtual processors (8 VP’s per LP)
    • 384 running VM’s
  • Clustering
  • Failover Clustering Pre R2
    • Uses Windows 2008 Failover Clustering for hardware fault tolerance
    • Easier than ever – honestly!
    • Virtual machine treated as cluster resource
    • Each VM should (not must) be on a dedicated LUN *
    • Quick Migration, not Live Migration (aka VMotion)
    * Mandatory for VMM 2008
  • Quick Migration
    • Simple process:
    • VM saves its state
    • Disk fails over to destination host
    • VM restores its saved state
    • 1GB RAM VM Takes 8 seconds on 4GB Fibre Channel SAN with 15K SCSI disks, e.g HP EVA SAN
    • Supported with Fibre Channel and iSCSI
    • Test labs will work with W2008 file shares
    • Live Migration coming in W2008 R2!
  • Cluster Shared Volumes
  • Clustered Shared Volumes
    • Clustered Shared Volumes (CSV) implements hybrid sharing for LUNs
    • One node owns the storage namespace (e.g. directory structure) and metadata
    • Other nodes can own the storage backing an individual file’s data (e.g. VHD)
    • Benefits of CSV:
    • Can store all VM VHDs on one LUN
    • High-performance access to VHDs from owning nodes
    • All nodes have read/write access to file data
    • Seamless VM movement between nodes
    • Any node can read from VHD, so no need to change LUN ownership
    • Seamless LUN ownership transition
    • Persistent handles allow cluster to move LUN without interruption to VM operation
  • Cluster Shared Volumes
    All servers “see” the same storage
  • Live Migration
  • Live Migration
    Create VM on target server
    Copy memory pages from the source to the target via Ethernet
    Final state transfer
    Pause virtual machine
    Move storage connectivity from source host to target host via Ethernet
    Run new VM on target; Delete VM on source
    Host 1
    Host 2
    Blue = Storage
    Purple = Networking
    Shared Storage
  • Live Migration State Transfer
    Memory
    Configuration
    Configuration
    State
    State
    Server 1
    Server 2
  • Requirements
    • Good networking between hosts
    • The same family of processor – no mixing of Intel and AMD
    • You can mix generations of one family by disabling features via one tick box.
  • Core Parking
  • Core Parking
    • Kernel in parent performs core-parking control
    • Hypervisor maps processor usage data into the parent
    • Updates every 100ms
    • Parent tells hypervisor which cores to park
    • Hypervisor lets processors finish work, but stops including them in scheduling decisions
    • Will use them if necessary to meet child CPU guarantees
  • Core Parking Operation
    Core 0
    Core 1
    Core 0
    Core 1
    Core 1
    Core 0
    Core 0
    Core 1
    Socket 0
    Socket 1
    Workload
  • Second Level Address Translation
  • VM Memory Management
    Guest Virtual Address
    Guest Virtual Address
    Guest OS defines GVA-to-GPA mappings
    Shadow page tables combine these mappings because the processor knows how to perform only one level of translation
    Guest Physical Address
    Hypervisor defines GPA-to-SPA mappings
    System Physical Address
    System Physical Address
    Hyper-V R2
    Hyper-V
  • Second Level Address Translation(SLAT)
    • Goes by several names
    • Intel: Extended Page Tables (EPT)
    • AMD: Nested Page Tables (NPT)/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 from 10% to 2%
    • Roughly 1MB of memory saved per VM
    • Benefits Large Memory Workloads
  • Virtual Machine Queue
  • Virtual Machine Queue (VMQ)
    Parent Partition
    VM1
    VM2
    Virtual Machine Switch
    Ethernet
    TCP/IP
    TCP/IP
    Routing
    VLAN Filtering
    Data Copy
    Port 1
    Port 2
    VM NIC 1
    VM NIC 2
    Miniport
    Driver
    NIC
    VM BUS
  • Bottlenecks
    • Copying data from child partition address space to the parent partition address space
    • MAC address lookup and VLAN ID filtering
    • Parent/child context switch overhead
    • Simulating task offload in software for VM to VM traffic
    • Extra copy for VM to VM traffic
  • VMQ Architecture
    Parent Partition
    VM1
    VM2
    Virtual Machine Switch
    Ethernet
    TCP/IP
    TCP/IP
    Routing
    VLAN filtering
    Data Copy
    Port 1
    Port 2
    VM NIC 1
    VM NIC 2
    Miniport
    Driver
    Q1
    Default
    Queue
    Q2
    VM BUS
    Switch/Routing unit
    NIC
  • Performance Improvements
    • Applying VLAN filtering in hardware
    • Concurrent receive processing for multiple VMs
    • Avoiding copy from NIC receive buffers to VM address space
    • Using switch on the NIC to do route lookup on transmit
  • Native VHD
  • Image Types
    • WIM – Used by Windows Installer (Panther), WDS and ConfigMgr
    • VHD – Virtual Hard Disk used by virtualisation products and Windows backups
    • Data center strategy to use VHD to prevent image type explosion
  • Boot from VHD
    • “Surface” (AKA mount) a VHD file
    • Boot from a VHD file
    • W2008 R2 WDS able to deploy VHD files
    • Boot servers or desktops from VHD
  • Management
  • Management
    • Microsoft’s strategy for differentiation
    • Basic management using Hyper-V and Failover Clustering MMC’s
    • Advanced virtualisation management using System Center Virtual Machine Manager
    • VMM 2008 integrates with OpsMgr 2007
    • System Center Enterprise CAL: includes 4 VM’s on the host
    • System Center DataCenter CAL: includes all VM’s on the host
  • VMM 2008
    • Based on PowerShell
    • Easier cluster management
    • Hardware templates
    • Library for VHD’s, PowerShell scripts, ISO
    • Self Service web console
    • Can manage Virtual Server 2005, ESX and many Virtual Center installations
    • Integrates with OpsMgr 2007 SP1
    • Use hardware OEM Pro Tips for hardware view of performance
  • VMM 2008 R2
  • Virtual Machine Manager 2008 R2
    • Used to manage many Hyper-V R2, Hyper-V, Virtual Server R2 SP1, vSphere, ESX/Virtual Center installations
    • Integration with OpsMgr 2007 R2
    • Support for Live Migration
    • Allows many VM’s per LUN for CSV
    • Storage Quick Migration
    • SAN enhancements, e.g. cluster-cluster migration, rapid provisioning & snapshots
    • Network enhancements
    • Maintenance mode
    • Support for disjoint domains
  • Virtual Machine Manager 2008 R2
    • iSCSI: view multiple LUN’s per target
  • Upgrading From 2008
  • Upgrades
    • Hyper-V Server:
    • N/A
    • http://www.microsoft.com/hyper-v-server/en/us/faq.aspx
    • Standalone Server:
    • In-place
    • http://support.microsoft.com/kb/957256
    • Cluster:
    • In-place not supported
    • Rolling upgrade via evict node and create new cluster
    • http://technet.microsoft.com/en-us/library/cc730990.aspx
    • VMM:
    • In-place
    • http://go.microsoft.com/fwlink/?LinkID=139191
  • Upcoming Events
    • In-person and webcast: Windows Server 2008 R2 Active Directory
    • Wilbour Craddock, Microsoft Ireland
    • Details and register: http://tinyurl.com/w2008r2ad
    • September 28th, 09:30GMT
    • MS EPDC2, Leopardstown, Dublin
    • Launch Events!!!
    • Watch your mailbox, demand will be huge
  • That’s All Folks!
    Aidan Finn
    • Blog: http://joeelway.spaces.live.com/
    • Windows User Group: http://ws-ugi.spaces.live.com