Introduction to Virtualization. Paul A. Strassmann George Mason University October 29, 2008, 7:20 to 10:00 PM

Transcription

1 Introduction to Virtualization Paul A. Strassmann George Mason University October 29, 2008, 7:20 to 10:00 PM 1

2 Data Center Transformation 2

3 Scope of Virtualization Services 3

4 Virtualization Evolution 4

5 Business Continuity is the Objective 5

6 How to Understand the Virtualization Development Virtualization is an industry-changing movement that will touches all aspects of IT infrastructure and drive new levels of flexibility and dynamism in IT. Virtualization is addressing the process and operational issues around deploying and managing a large-scale virtual environment. 6

7 Part I Virtualization Concepts 7

8 The Existing Role of the Operating System 8

9 Virtualization is Based on Insertion of a Hypervisor on Top of Hardware 9

10 Virtualization Allows Transformation of a Server for Multiple Applications 10

11 Capacity Utilization: Stand-Alone vs. Virtualized Servers Dedicated Application Virtualized Applications 11

12 Hypervisor Installs Immediately Supports Desktops and Laptops 12

13 Virtual Machines Run on Any Hardware Configuration 13

14 Virtual Machines Can Run on a Shared Infrastructure 14

15 A Single Software Can Span Different Hardware Components 15

16 Virtualization Allows Moving Applications Without Service Interruption 16

17 Advantages of Virtualization Zero downtime maintenance Freedom from vendor-imposed upgrade cycles Instant provisioning Pooling hardware resource Virtual hardware supports legacy operating systems efficiently Dynamic resource sharing Security and fault isolation Business continuity, backups, and automated restoration 17

18 Example of the Impact of Virtualization Before After 18

19 Labor Costs are 1/3 of the Costs of a Server Cooling & Cost of Space (10%) Administrative (33%) Server Amortization (44%) Storage & Network (12%) 19

20 Operations Require One Staff per Virtual Machines Note: Without virtualization one staff can handle up to 30 servers. 20

21 Examples of Productivity Using Virtualization 21

22 Non-Disruptive Automated Patch Management 22

23 Transforming Costs, Efficiency and Availability 23

24 Impact of Virtualization 24

25 Part II Deploying Virtualization 25

26 From Dedicated Processing to Pooled Processing 26

27 Pooling of Hardware for Shared Capacity Performance 27

28 Logical Resource Pooling and Distributed Resource Scheduling 28

29 Where to Run Your Application? 29

30 Part III - Continuity Business Continuity 30

31 Challenges of Traditional Disaster Recovery 31

32 Infrastructure Challenges of Traditional Recovery 32

33 Making Better Use of Recovery Infrastructure 33

34 Virtual Site Recovery Management 34

35 Eliminating Downtime for Hardware Maintenance 35

36 Eliminating Downtime for Storage Changes 36

37 Redistribution of Workload to Handle Peak Processing Demands 37

38 Automatic Restart of a Failed Server 38

39 Backup Can Be Performed With Various Backup Products 39

40 How to Run a Virtualized Data Center that is Fault Tolerant 40

41 Extending the Virtual Infrastructure to End-User Clients 41

42 Part IV Virtual Appliances 42

43 Traditional Approach: A Collection of Hardware and Cables 43

44 Virtualization is Based on Insertion of a Hypervisor on Top of Hardware 44

45 A Virtual Appliance Can Run a Range of Applications 45

46 There is an Extensive Catalogue of Diverse Virtual Appliances 46

47 47

48 Future Directions: Virtualized Environment + Tools to Support SOA 48

49 Part V Virtual Desktop 49

50 Driving Change 50

51 Apply Virtualization to the Desktop 51

52 The Virtual Desktop Runs in a Secure Data Center 52

53 Virtual Desktop Infrastructure: Client Access 53

54 Hospital Case Study: Desktop Replacement & Centralization 54

55 Insurance Case Study: Business Continuity 55

56 Thin-Client Support 56

57 The Uses of Virtual Desktops 57

58 Summary Virtualization offers major savings in data center operations. Virtualization makes possible significant reductions in the costs of managing data centers, with simplification of systems management tasks. Virtualization offers back-up and increased redundancy for delivery of high performance and high availability services. Virtualization is a step in the direction of cloud computing. 58