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Module  11 Implementing High Availability for Server Virtualization
Module Overview <ul><li>Overview of Failover Clustering </li></ul><ul><li>Implementing Failover Clustering with Hyper-V </...
Lesson  1 : Overview of Failover Clustering <ul><li>Options for Providing High Availability for Virtualization  </li></ul>...
Options for Providing High Availability for Virtualization High availability options Description Host clustering  <ul><li>...
What Is a Failover Cluster?
Failover Cluster Functionality in Windows Server 2008 R2  <ul><li>Clustered Shared Volumes </li></ul><ul><li>Live migratio...
Configuration Options for a Failover Cluster Quorum  Quorum Modec Description Node Majority <ul><li>Only nodes in the clus...
How Does a Failover Cluster Work with Hyper-V Nodes?  Shared Bus or  iSCSI Connection A dedicated network  connects the  f...
Planning a Failover Clustering Strategy for Hyper-V Identify the total capacity requirements  Identify the application cha...
Best Practices for Failover Clusters Running Hyper-V   <ul><li>Use Windows Server 2008 R2 as the Hyper-V host  </li></ul><...
Lesson 2: Implementing Failover Clustering with Hyper-V   <ul><li>Requirements for Failover Clustering in Hyper-V  </li></...
Requirements for Failover Clustering in Hyper-V <ul><li>Hardware requirements for cluster nodes and storage  </li></ul><ul...
Implementing Hyper-V and Failover Clustering  Validate the cluster configuration  Install the Hyper-V and Failover Cluster...
Demonstration: Implementing Failover Clustering for Hyper-V  <ul><li>In this demonstration, you will see how to implement ...
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Configuring Clustered Shared Volumes  CSV benefits: <ul><li>Fewer LUNs required </li></ul><ul><li>Better use of disk space...
What Is Live Migration?
Considerations for Implementing Live Migration  <ul><li>Verify basic requirements  </li></ul><ul><li>Configure a dedicated...
Demonstration: Implementing Live Migration  <ul><li>In this demonstration, you will see how to implement Live Migration </...
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Lesson 3: Implementing High Availability with VMM 2008 R2  <ul><li>Planning VMM 2008 R2 High Availability  </li></ul><ul><...
Planning VMM 2008 R2 High Availability When planning high availability for VMM, include:  <ul><li>High availability for th...
Configuring Host Clusters to Support High Availability Create a failover cluster in Failover Cluster Management  1 Configu...
Managing Host Clusters  <ul><li>Virtual machine storage must be added to the failover cluster and to CSV before it is acce...
Managing Highly Available Virtual Machines in VMM  <ul><li>Virtual machines created or migrated to a host cluster node wil...
Demonstration: Implementing Clustering in VMM 2008 R2  <ul><li>In this demonstration, you will see how to: </li></ul><ul><...
Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
Lab : Implementing High Availability for Server Virtualization  <ul><li>Exercise 1: Installing and Configuring Failover Cl...
Lab Scenario <ul><li>Contoso, Ltd., has completed its initial deployment of virtual machines on Hyper-V, and has identifie...
Lab Review <ul><li>Why was the new LUN not visible in the host cluster properties the first time you checked? </li></ul><u...
Module Review and Takeaways <ul><li>Review Questions </li></ul><ul><li>Common Issues  </li></ul><ul><li>Real-World Issues ...
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10215 A 11

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10215 A 11

  1. 1. Module 11 Implementing High Availability for Server Virtualization
  2. 2. Module Overview <ul><li>Overview of Failover Clustering </li></ul><ul><li>Implementing Failover Clustering with Hyper-V </li></ul><ul><li>Implementing High Availability with VMM 2008 R2 </li></ul>
  3. 3. Lesson 1 : Overview of Failover Clustering <ul><li>Options for Providing High Availability for Virtualization </li></ul><ul><li>What Is a Failover Cluster? </li></ul><ul><li>Failover Cluster Functionality in Windows Server 2008 R2 </li></ul><ul><li>Configuration Options for a Failover Cluster Quorum </li></ul><ul><li>How Does a Failover Cluster Work with Hyper-V Nodes? </li></ul><ul><li>Planning a Failover Clustering Strategy for Hyper-V </li></ul><ul><li>Best Practices for Failover Clusters Running Hyper-V </li></ul>
  4. 4. Options for Providing High Availability for Virtualization High availability options Description Host clustering <ul><li>Virtual machines are highly available </li></ul><ul><li>Does not require virtual machine operating system or application to be cluster aware </li></ul>Guest clustering <ul><li>Virtual machines are failover cluster nodes </li></ul><ul><li>Virtual machine applications must be cluster aware </li></ul><ul><li>Requires Internet Small Computer System Interface ( iSCSI) for shared storage connections </li></ul>Network load balancing (NLB) <ul><li>Virtual machines are NLB cluster nodes </li></ul><ul><li>Use for Web-based applications </li></ul>
  5. 5. What Is a Failover Cluster?
  6. 6. Failover Cluster Functionality in Windows Server 2008 R2 <ul><li>Clustered Shared Volumes </li></ul><ul><li>Live migration </li></ul><ul><li>Processor compatibility mode </li></ul><ul><li>Windows PowerShell cmdlets for failover clusters </li></ul><ul><li>Additional tests in cluster validation </li></ul>
  7. 7. Configuration Options for a Failover Cluster Quorum Quorum Modec Description Node Majority <ul><li>Only nodes in the cluster have a vote </li></ul><ul><li>Quorum is maintained when more than half of the nodes are online </li></ul>Node and Disk Majority <ul><li>The nodes in the cluster and a disk witness have a vote </li></ul><ul><li>Quorum is maintained when more than half of the votes are online </li></ul>Node and File Share Majority <ul><li>The nodes in the cluster and a file share witness have a vote </li></ul><ul><li>Quorum is maintained when more than half of the votes are online </li></ul>No Majority: Disk Only <ul><li>Only the quorum-shared disk has a vote </li></ul><ul><li>Quorum is maintained when the shared disk is online </li></ul>
  8. 8. How Does a Failover Cluster Work with Hyper-V Nodes? Shared Bus or iSCSI Connection A dedicated network connects the failover cluster nodes
  9. 9. Planning a Failover Clustering Strategy for Hyper-V Identify the total capacity requirements Identify the application characteristics Identify the application components that must be highly available Create the Hyper-V design Identify the applications that require high availability 1 2 3 4 5
  10. 10. Best Practices for Failover Clusters Running Hyper-V   <ul><li>Use Windows Server 2008 R2 as the Hyper-V host </li></ul><ul><li>Plan for failover scenarios </li></ul><ul><li>Plan the network design for failover clustering </li></ul><ul><li>Plan the shared storage for failover clustering </li></ul><ul><li>Use the recommended failover cluster quorum mode </li></ul><ul><li>Deploy standardized Hyper-V hosts </li></ul><ul><li>Develop standard management practices </li></ul>
  11. 11. Lesson 2: Implementing Failover Clustering with Hyper-V   <ul><li>Requirements for Failover Clustering in Hyper-V </li></ul><ul><li>Implementing Hyper-V and Failover Clustering </li></ul><ul><li>Demonstration: Implementing Failover Clustering for Hyper-V </li></ul><ul><li>Configuring Clustered Shared Volumes </li></ul><ul><li>What Is Live Migration? </li></ul><ul><li>Considerations for Implementing Live Migration </li></ul><ul><li>Demonstration: Implementing Live Migration </li></ul>
  12. 12. Requirements for Failover Clustering in Hyper-V <ul><li>Hardware requirements for cluster nodes and storage </li></ul><ul><li>Software requirements for cluster nodes </li></ul><ul><li>Network infrastructure requirements </li></ul>
  13. 13. Implementing Hyper-V and Failover Clustering Validate the cluster configuration Install the Hyper-V and Failover Clustering features Configure shared storage Create the cluster Install and configure Windows Server 2008 or Windows Server 2008 R2 1 2 3 4 5 Create a virtual machine on one of the cluster nodes 6 Make the virtual machine highly available 7
  14. 14. Demonstration: Implementing Failover Clustering for Hyper-V <ul><li>In this demonstration, you will see how to implement failover clustering for Hyper-V </li></ul>
  15. 15. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  16. 16. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  17. 17. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  18. 18. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  19. 19. Configuring Clustered Shared Volumes CSV benefits: <ul><li>Fewer LUNs required </li></ul><ul><li>Better use of disk space </li></ul><ul><li>Virtual machine files are in a single logical location </li></ul><ul><li>No special hardware required </li></ul><ul><li>Increased resiliency </li></ul>To implement CSV: Add the storage to the CSV Add the disks to failover cluster storage Create and format volumes on shared storage 1 2 3
  20. 20. What Is Live Migration?
  21. 21. Considerations for Implementing Live Migration <ul><li>Verify basic requirements </li></ul><ul><li>Configure a dedicated network adapter for the private virtual network </li></ul><ul><li>Use similar host hardware </li></ul><ul><li>Verify network configuration </li></ul><ul><li>Manage Live Migrations </li></ul>
  22. 22. Demonstration: Implementing Live Migration <ul><li>In this demonstration, you will see how to implement Live Migration </li></ul>
  23. 23. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  24. 24. Lesson 3: Implementing High Availability with VMM 2008 R2 <ul><li>Planning VMM 2008 R2 High Availability </li></ul><ul><li>Configuring Host Clusters to Support High Availability </li></ul><ul><li>Managing Host Clusters </li></ul><ul><li>Managing Highly Available Virtual Machines in VMM </li></ul><ul><li>Demonstration: Implementing Clustering in VMM 2008 R2 </li></ul>
  25. 25. Planning VMM 2008 R2 High Availability When planning high availability for VMM, include: <ul><li>High availability for the VMM Server </li></ul><ul><li>High availability for the SQL database </li></ul><ul><li>High availability for library servers </li></ul><ul><li>High availability for the Self-Service Portal </li></ul>
  26. 26. Configuring Host Clusters to Support High Availability Create a failover cluster in Failover Cluster Management 1 Configure shared storage for storing virtual machine files 2 Add the host cluster to VMM 3 Configure common virtual networks on all nodes 4 Consider implementing PRO to automate virtual machine management 5
  27. 27. Managing Host Clusters <ul><li>Virtual machine storage must be added to the failover cluster and to CSV before it is accessible in VMM </li></ul><ul><li>To store multiple virtual machines on a LUN, you must enable CSV </li></ul><ul><li>To manage host cluster membership, use Failover Cluster Management </li></ul><ul><li>When you remove a host cluster, the nodes are removed from VMM but failover clustering is not affected </li></ul>
  28. 28. Managing Highly Available Virtual Machines in VMM <ul><li>Virtual machines created or migrated to a host cluster node will be highly available by default </li></ul><ul><li>VMM will use Live Migration if it is an option </li></ul><ul><li>Use cluster reserves to limit the number of virtual machines that are deployed on a host cluster </li></ul><ul><li>Turning on maintenance mode for host cluster nodes applies specified virtual machine management tasks </li></ul>
  29. 29. Demonstration: Implementing Clustering in VMM 2008 R2 <ul><li>In this demonstration, you will see how to: </li></ul><ul><ul><li>Add a host cluster to the Virtual Machine Manager Administrator Console </li></ul></ul><ul><ul><li>Configure a virtual machine to be highly available </li></ul></ul><ul><ul><li>Test live migration in VMM </li></ul></ul>
  30. 30. Notes Page Over-flow Slide. Do Not Print Slide. See Notes pane.
  31. 31. Lab : Implementing High Availability for Server Virtualization <ul><li>Exercise 1: Installing and Configuring Failover Clustering </li></ul><ul><li>Exercise 2: Configuring Live Migration </li></ul><ul><li>Exercise 3: Configuring Host Clustering in VMM </li></ul>Logon information Estimated time: 75 minutes NYC-Host1, NYC-Host2 Host machines Virtual machines NYC-DC1 User name Administrator Password Pa$$w0rd
  32. 32. Lab Scenario <ul><li>Contoso, Ltd., has completed its initial deployment of virtual machines on Hyper-V, and has identified some additional virtual machines to virtualize. The virtual machines are running business-critical applications, so it is imperative that the virtual machines be very highly available. Contoso has decided to implement failover clustering using Windows Server 2008 R2 to enable the required level of high availability. </li></ul>
  33. 33. Lab Review <ul><li>Why was the new LUN not visible in the host cluster properties the first time you checked? </li></ul><ul><li>Do you need to configure highly available virtual machines before adding the host cluster in VMM? </li></ul><ul><li>How will your deployment of high availability for virtual machines differ from the deployment in the lab? </li></ul>
  34. 34. Module Review and Takeaways <ul><li>Review Questions </li></ul><ul><li>Common Issues </li></ul><ul><li>Real-World Issues and Scenarios </li></ul><ul><li>Best Practices </li></ul><ul><li>Tools </li></ul>

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