Nov. 15, 2011 webcast   when is virtual machine software the wrong choice
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Nov. 15, 2011 webcast when is virtual machine software the wrong choice

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We've all read the hype proclaiming that virtual machine software, sometimes called hypervisors, are the answer to every computing question. The truth is that different problems need different tools. ...

We've all read the hype proclaiming that virtual machine software, sometimes called hypervisors, are the answer to every computing question. The truth is that different problems need different tools. Virtual machine software is only one of five things at the virtual processing layer of virtualization and is not always the best choice. This webcast will review the model of virtualization described in Virtualization: A Manager's Guide and discuss different virtualization solutions for different IT problems.

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Nov. 15, 2011 webcast   when is virtual machine software the wrong choice Nov. 15, 2011 webcast when is virtual machine software the wrong choice Presentation Transcript

  • Kusnetzky Group, LLC © 2011 When is Virtual Machine Software the Wrong Choice? Dan Kusnetzky, Distinguished Analyst and Founder Kusnetzky Group LLC
    • What is virtualization anyway?
    • Virtualization has been in use for a long time
    • Many layers of virtualization in use today
    • Processing virtualization
    • When is virtual machine software the right choice?
    • Another virtualization choice for consolidation and optimization
    • When is it the wrong choice?
    • Some suggestions
    Agenda Kusnetzky Group, LLC © 2010
    • Moving a function into an artificial environment
        • Uses excess capacity
        • Processing
        • Memory
        • Storage
        • Networking
    • Offer an "ideal" environment for that function
    What is virtualization anyway? Kusnetzky Group, LLC © 2010
    • Virtualization technology first appeared on Mainframes in the 1960s
    • Single vendor midrange systems introduced virtualization in the 1970s and 1980s
    • It appeared on Industry Standard Systems (X86) in the 1990s
    Virtualization has been in use for a long time Kusnetzky Group, LLC © 2010
  • There are Many Layers of Virtualization in Use Today Kusnetzky Group, LLC © 2010
    • There are five different types of processing virtualization
      • Parallel processing monitors
      • Workload monitors
      • Clustering monitors
      • Virtual machine software
      • Operating system virtualization and partitioning
    • Each creates artificial processing environment
    Processing Virtualization Kusnetzky Group, LLC © 2010
    • When the goal is workload consolidation
      • Move workloads onto a smaller number of physical servers
      • Decrease hardware and hardware service costs
      • May or may not decrease management costs
    • When the goal is workload optimization
      • Moving workloads to make best use of available resources
    When is Virtual Machine Software the right choice? Kusnetzky Group, LLC © 2010
    • Operating system virtualization and partitioning
      • Single operating system in use
      • Isolated workloads
      • Uses less memory and storage
      • Faster context switching
    • Examples
      • LPARs (Logical Partitions)
      • VPARs (Virtual Partitions
      • Containers
    Another virtualization choice for consolidation and optimization Kusnetzky Group, LLC © 2010
    • When another form of virtualization would be better
      • When virtual access is needed
      • When application virtualization is needed
      • When other forms of processing virtualization are needed
        • Processing performance
        • Workload scalability
        • Reliability/availability/disaster recovery
    When is it the wrong choice? Kusnetzky Group, LLC © 2010
    • Know what applications and workloads are in the environment
    • Know the real requirements of your environment
      • Performance
      • Reliability
      • Availability
      • Scalability
    • Select the proper tool for the task at hand rather than the tool du jure
    • "If you don't know where you're going, you're likely to end up somewhere else.” Lawrence Peter
    Suggestions Kusnetzky Group, LLC © 2010
    • Special Offer for Webcast Attendees
    • Visit http://oreilly.com to purchase your copy of Virtualization: A Manager's Guide and enter code 4CAST to save 40% off print book & 50% off ebook with special code 4CAST
    Visit http://oreilly.com/webcasts to view upcoming webcasts and online events.