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Full on Demo on Setting up High Availability Virtual Machine

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Techinsight Penang 2010 topic

Techinsight Penang 2010 topic

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  • Enabling multiple nodes to concurrently access a single ‘truly’ shared volumeProvides VM’s complete transparency with respect to which nodes actually own a LUNGuest VMs can be moved without requiring any drive ownership changesNo dismounting and remounting of volumes is required
  • Presenters please use this slide to direct participants to websites, books, trials, product pages etc as a follow through to your presentation
  • Transcript

    • 1.
    • 2. FULL ON Demo on Setting Up High Availability Virtual Machine
      Lai YoongSeng
      Consultant
      Redynamics Asia SdnBhd
    • 3. Microsoft
      Windows Server 2008 R2
      Hyper-V
      Requirement to Setup High Availability Virtual Machine
      Science Experiment (Demo)
      Clustered Shared Volume and Live Migration
      Agenda
    • 4. Requirement
      2 X Hyper V Server 2008 R2
      Shared storage – FC / iSCSI
      1 volume for Quorum
      1 volume for Storage- VM
      ClusterNode2
      ClusterNode1
      SAN must support SCSI 3 Persistent Reservation
    • 5. Requirement for using Failover Cluster - Node
      Operating system running Windows Server 2008 R2 or Hyper V R2. Same operating system on all nodes.
      Example:-
      Server Core
      Full Installation Windows Server 2008 R2 Enterprise
      Full Installation Windows Server 2008 R2 Data Center
      Free Hyper V 2008 R2 with Server Core
      Same Drive letter of system drive
      Hyper V role installed
      Same software updates (patches) and service packs
      Domain environment
      5
    • 6. Science Experiment Environment
      Test VM
      Live Migrate
      Gigabit Switch
      ClusterNode1
      ClusterNode2
      Domain controller VM
      ms4udc.ms4u.int
      iSCSI
      iSCSI Target
    • 7. DEMO
      Science Experiment – Building High Availability Virtual Machine
    • 8. Cluster Shared Volume Overview
      Concurrent access to a single file system
      Single Volume
      SAN
      Disk5
      VHD
      VHD
      VHD
    • 9. Solution in R1
      In the past (2008) - 1 LUN for 1 VM
      LUN smallest unit of failover
      Run out of storage space
      Wasted storage space
      Storage management challenging
      Free Space
      Used VHD Space
      Wasted Space
      Out of Space
      VHD
      Many LUNs to Manage
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
    • 10. Solution in R2
      The Solution (R2): 1 LUN for many VMs
      VM smallest unit of failover
      VMs share the pool of unused space
      Flexible utilization and easy management
      Free Space
      Used VHD Space
      Free Space
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
      VHD
    • 11. Single Name Space
      CSV provides a single consistent file name space
      Files have the same name and path when viewed from any node in the cluster
      CSV volumes are exposed as directories and subdirectories under the “ClusterStorage” root directory
      C:ClusterStorageVolume1<root>
      C:ClusterStorageVolume2<root>
      C:ClusterStorageVolume3<root>
    • 12. DEMO
      Setting up Cluster Shared Volume (CSV)
    • 13. What is Live Migration
      Move a running Virtual Machine from one computer to another computer with no perceived downtime for the VM
      VM is not aware of the migration
      Maintain TCP connections of the guest OS
      Building block for Dynamic Data Center through business agility, cost reduction and increase in productivity
      High availability for production workloads
      Host is now offline for servicing (hardware, software)
    • 14. How Live Migration Work?Initiate migration
      Client accessing VM
      Live Migrate this VM to another physical machine
      SAN
      IT Admin initiates a Live Migration to move a VM from one host to another
      VHD
    • 15. How Live Migration Work?Memory copy: Full copy
      Memory content is copied to new server
      VM pre-staged
      SAN
      The first initial copy is of all in memory content
      VHD
    • 16. How Live Migration Work?Memory copy: Dirty pages
      Client continues accessing VM
      Pages are being dirtied
      SAN
      Client continues to access VM, which results in memory being modified
      VHD
    • 17. How Live Migration Work?Memory copy: Incremental copy
      Recopy of changes
      Smaller set of changes
      SAN
      Hyper-V tracks changed data, and re-copies over incremental changes
      Subsequent passes get faster as data set is smaller
      VHD
    • 18. How Live Migration Work?Final transition
      Partition State copied
      VM Paused
      SAN
      Window is very small and within TCP connection timeout
      VHD
    • 19. How Live Migration Work?Post-Transition: Clean-up
      Client directed to new host
      Old VM deleted once migration is verified successful
      SAN
      Since session state is maintained, no reconnections necessary
      ARP issued to have routing devices update their tables
      VHD
    • 20. DEMO
      Live Migration
    • 21. Summary
      Identified the requirement to setup High Availability Virtual Machine (HAVM)
      Clustered Shared Volume
      Live Migration
      Completed the science experiment !
    • 22. Q&A
      Questions & Answers
    • 23. Resources
      Required slide
      Failover Clustering Deployment Guide:
      http://technet.microsoft.com/en-us/library/dd197477.aspx
      MVUG (Malaysia Virtualization User Group) – Join us !
      http://www.facebook.com/group.php?gid=216237734803
      Lai’s Blog – TechInsight Penang , KL Slide, Virtualization related, etc
      http://www.ms4u.info
      laiys@redynamics.com
    • 24. Related Content
      Planning and What’s New in Windows Server 2008 R2 SP1 for Virtualization Session
      Friday 24 Sept 2010
      11.30 – 12.30 am
      IT Pro Track
    • 25. Required slide
      WIN COOL PRIZES!!!
      Complete the True Techie and Crazy Communities Challenge and stand a chance to win…
      Look in your conference bags NOW!!
    • 26. Required slide
      We value your feedback!
      Please remember to complete the overall conference evaluation form (in your bag) and return it to the Registration Counter on the last day in return for a Limited Edition Gift

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