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09ntc Server Virtualization Session Slides
 

09ntc Server Virtualization Session Slides

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Slides from the 2009 Nonprofit Technology Conference Session on Server Virtualization. These slides introduce the main concepts and suggest approaches for small, medium and large business scenarios. ...

Slides from the 2009 Nonprofit Technology Conference Session on Server Virtualization. These slides introduce the main concepts and suggest approaches for small, medium and large business scenarios. the latter set of slides are by matt eshelman of CITIDC, who presented with me.

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09ntc Server Virtualization Session Slides 09ntc Server Virtualization Session Slides Presentation Transcript

  • Virtualization
    • What the Dramatic Changes in Server Management Mean to Us
    • This is a Traditional Server Room
    • This is a Virtualized Server Room
  • On average, 10% of server processor is utilized per server*. *per IDC
  • Virtualization allows for maximized use and dynamic allocation of processing power
  • Energy Use and Server Budget are Reduced
  • Server Recovery and Backup is as Easy as…
  • Drag n’ Drop Backup
  • Server Templates
  • Mixture of Operating Systems on One Server
  • 24/7 Availability
  • Instant Testing Environments
  • How It Works (1)
    • Server virtualization uses a Hypervisor - a streamlined Operating System with connectivity, virtualization and management features.
    • Intel and AMD include virtualization support on specific chipsets; this is required for some server virtualization products.
    Peter Campbell, Techcafeteria August, 2008
  • How It Works (2)
    • Virtual machines (VMs) are loaded into memory by the Hypervisor. They emulate standalone servers.
    • Users connect to VMs, but VMs can be copied and moved without interruption.
    • Load Balancing and Fault Tolerance can be used to mirror VMs and insure business continuity.
  • Hypervisor Dynamically Adjusts VM Hosts to Best Use Resources
  • Load Balancing and Automatic Failover Insures Stability
  • Reduced Costs, Energy Efficiency, Manageability
    • This is all still pretty new - assumptions about proper configuration and server requirements still vary.
    • Virtualized databases can be impacted by conflicts between virtualization and caching.
    • There is some debate about whether domain controllers should be virtualized.
    • Smaller vendors might resist supporting virtualized applications; large vendors won’t.
    Potential Issues Peter Campbell, Techcafeteria August, 2008
  • Products
    • Commercial
      • VMWare (Server, Desktop, Fusion)
      • Citrix Xen Server and Desktop
      • Microsoft Virtual Server, WinServer 2008
      • Virtual Iron
    • Open Source
      • Xen (FOSS version of Citrix product)
      • KVM
      • VirtualBox
    Peter Campbell, Techcafeteria August, 2008
  • Questions Peter Campbell, Techcafeteria August, 2008
  • Virtualization Scenarios
    • Matthew Eshleman
    • Director of Professional Network Services
    • Community IT Innovators
    • [email_address]
    • www.citidc.com
  • Tools & Terminology
    • Virtualization Hypervisor
    • Physical to Virtual Conversion Software
    • Storage Area Network (SAN)
    • iSCSI or Fiber Channel SAN Connection
    • Storage Management (LUN)
    • Backup & Disaster Recovery RPO & RTO
  • Backup & Disaster Recovery
    • Backup
      • What are the RPO and RTO requirements?
      • Use existing backup to tape or disk
      • Online backup services
      • Backup appliances
    • Disaster Recovery
      • Part of business continuity
      • Manual or Automated systems
  • Small Office Virtualization
    • Single SBS Server
    • Server out of warranty & out of space
    • Additional services required
      • Accounting server
      • Terminal server
      • Intranet
      • etc
  • Small Office Virtualization
    • Benefits
    • Preserve existing server
    • Expand HW capacity
    • Minimal user disruption
    • Lower HW Costs
    • Adds flexibility
    • Risks
    • Adds complexity
    • Need to adjust backup plan
    • Single point of failure
  • Mid Sized Consolidation
    • 2-6 existing physical servers
    • Increasing application requirements
    • Increasing availability requirements
    • Maxing out electrical system
    • Maxing out cooling system
  •  
  • Mid Sized Consolidation
    • Benefits
    • Lowered Hardware Costs
    • Reduced Warranty Expense
    • Reduced Energy Consumption
    • Improved HW utilization
    • Risks
    • Solution needs to be appropriately designed
    • Consider backup & disaster recovery requirements
    • Adds complexity
    • Server sprawl
  • Enterprise Virtualization
    • Appropriate starting at 4-8 physical servers
    • High availability
    • Highly flexible and expandable
    • Dedicated IT staff
    • Significant investment
  •  
  • Enterprise Virtualization
    • Benefits
    • Lowered Hardware Costs
    • Reduced Warranty Expense
    • Reduced Energy Consumption
    • Improved HW utilization
    • High availability
    • Flexibility
    • Risks
    • Software costs
    • Complexity
    • Management
  • Virtualization Conclusions
    • Virtualization can be used in most cases
    • Requires appropriate planning
    • Provides additional flexibility and cost savings
    • Relatively low barrier to entry
  • QUESTIONS?
  • TXT Your Session Evaluation! TXT NTC178 to 69866 Or complete online at http://nten.org/ntc-eval or on a paper evaluation available in the session room. Each completed session evaluation enters you to win a FREE 2010 NTC Registration!