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Introduction to Virtualization Michael Otey Technical Director Windows IT Pro Magazine What this session covers Types of Virtualization Hardware Virtualization Virtual Machine Virtualization Application Virtualization Future directions in Virtualization Hardware Partitioning

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introduction to virtualization

Introduction to Virtualization

Michael Otey

Technical Director

Windows IT Pro Magazine

what this session covers
What this session covers
  • Types of Virtualization
    • Hardware Virtualization
    • Virtual Machine Virtualization
    • Application Virtualization
  • Future directions in Virtualization
scenarios for hardware partitioning
Scenarios for Hardware Partitioning
  • Server Consolidation
    • Reduced TCO
    • Increased server utilization
  • Separate production and test environments
  • Application Isolation
hardware partitioning5
Hardware Partitioning
  • Physical system is divided into multiple partitions
  • One or more CPUs per partition
  • Full electrical isolation between partitions
  • Redundant hardware components
hardware partitioning6
Hardware Partitioning
  • High-end Servers
    • HP Itanium
    • Unisys ES7000
    • Fujitsu PrimeQuest
  • Multiple hardware partitions
    • Up to 8
  • Assignment of physical resource per partition
    • CPUs
    • Memory
    • I/O
  • Cluster “in-a-box” support
hardware partitioning summary
Hardware Partitioning Summary
  • Can Consolidate multiple servers
    • Reduced administration
  • Requires high-end servers
    • Usually Itanium based
    • Can be expensive
  • Limited number of partitions
virtualization scenarios
Virtualization Scenarios
  • Server consolidation
  • Multiple OS & Application support
  • Lab and Deployment Testing
  • Training
  • Disaster Recovery
  • Application Isolation
virtual machine virtualization10
Virtual Machine Virtualization

V i r t u a l

Applications

Applications

Applications

Guest OS(Windows NT)

Guest OS(Windows 2000)

Guest OS(Windows 2003)

Virtual Machine

Virtual Machine

Virtual Machine

P h y s i c a l

Virtual Machine Manager

Host Operating System

System Hardware

virtualization overview
Virtualization Overview
  • Virtual Machine Guest Environment
vm hard disk options
VM Hard Disk Options
  • Virtual Hard Disks
    • Fixed
    • Dynamic
  • Virtual Hard Disk Features
    • Snapshots
    • Undo disks
    • Differencing Disks
vm networking options
VM Networking Options
  • Virtual Networking
    • None
    • Internal
    • External (Bridged)
virtual machine additions
Virtual Machine Additions
  • Installed after the guest OS
    • Typically from installed IS image
    • Improves VM performance
  • Enhanced SVGA video drivers
  • Improved mouse support
  • Drag-and-drop with the host
  • Time synchronization
64 bit support
64-bit Support
  • 64-bit host support
    • Windows Server SE and EE x64
  • x64 eliminates physical memory restrictions
  • 64-bit Virtual Machine Manager
    • Larger kernel address space
virtual machine types and uses
Virtual Machine Types and Uses
  • Desktop Products
    • Development
    • Testing
    • Training
  • Server Products
    • Server consolidation
    • Disaster Recovery
    • High Availability
    • Testing and deployment
virtual machine products
Virtual Machine Products
  • Desktop
    • VMware Workstation 5.5
    • Virtual PC 2004
vmware workstation 5 5
VMware Workstation 5.5
  • First VM Product
  • 64-bit host & guests
  • 2-way virtual SMP
  • SCSI VHDs
  • Multiple snapshots
  • Compatible VM images w/ Virtual Server
  • Can Import MS VM Images
  • USB & Audio support
  • $189
vmware workstation 5 520
VMware Workstation 5.5
  • Supported Hosts
vmware workstation 5 521
VMware Workstation 5.5
  • Supported Guests
virtual pc 2004
Virtual PC 2004
  • Technology from Connectix
  • 32-bit only
  • Compatible VM Images w/ MS Virtual Server
  • VPC 2007 w/ Vista
  • Audio – no USD
  • Now Free
virtual desktop products summary
Virtual Desktop Products Summary
  • Microsoft Virtual PC
    • Free
    • Less hosts & guests support
    • Less VM features and capabilities
    • Soon to be replaced by Virtual PC 2007
  • VMware Workstation
    • Costs more
    • More host & guests support
    • Better features (Snapshots, USB)
    • 64-bit hosts and guests
virtual server products
Virtual Server Products
  • Server Products
    • VMware Virtual Server 1.01
    • Microsoft Virtual Server 2005 R2
    • VMware ESX Server 3.0
    • Others: XEN 3.0 & Virtuozzo
vmware virtual server
VMware Virtual Server
  • Features
    • 64-bit host & guest support
    • Virtual SMP Support
    • USB Support
    • VM Snapshots
    • Import MS VM Images
    • Windows and Web Management
    • Central Management with VirtualCenter
  • Limitations
    • No support for host clustering
vmware virtual server27
VMware Virtual Server
  • Supported Hosts
vmware virtual server28
VMware Virtual Server
  • Supported Guests
virtual server 2005 r2
Virtual Server 2005 R2
  • Features
    • 64-bit host support
    • Web-based management
    • New support for Linux distributions
    • Support for MSCS
  • Limitations
    • No 64-bit guest support
    • No guest audio
    • No guest USB
vs2005 r2 mscs host support
VS2005 R2 MSCS Host Support
  • Support for Microsoft Clustering Services
    • Windows Server 2003 Enterprise Edition or Datacenter Edition
  • VS is MSCS cluster-aware
    • Eliminates single point of failure
    • Automatic VM startup
windows server 2003 r2
Windows Server 2003 R2
  • Applies to any virtualization product running on Windows Server 2003 R2
  • VM licensing changes
    • Windows Server 2003 Enterprise Edition R2
      • Base OS
      • Four additional VM OS
    • Windows Server 2003 Datacenter Edition
      • Unlimited VMs
vmware esx server 3 0
VMware ESX Server 3.0
  • Leader in the enterprise virtualization products
  • Bare metal installation
    • No host OS
    • Best performance
esx server overview
ESX Server Overview

V i r t u a l

Applications

Applications

Applications

Guest OS(Linux)

Guest OS(Windows 2000)

Guest OS(Windows 2003)

Virtual Machine

Virtual Machine

Virtual Machine

P h y s i c a l

Virtual Machine Manager (ESX Server)

System Hardware

vmware esx server 3 034
VMware ESX Server 3.0
  • Features
    • CPU virtualization – 4-way Virtual SMP
    • Direct SAN LUN mapping, boot from SAN
    • Up to 16GB RAM per VM
    • Can import MS VM Images
    • Can cluster VMs across physical hosts
    • Centralized management using VirtualCenter
    • Not free:
      • $1000 Standard Edition
      • $5750 Enterprise Edition
vmware esx server 3 035
VMware ESX Server 3.0
  • Limitations
    • Unfamiliar management for Windows administrators
    • No official support for MSCS host
    • No USB support in the guests
vmware esx server 3 036
VMware ESX Server 3.0
  • Supported 32-bit Guests
vmware esx server 3 037
VMware ESX Server 3.0
  • 64-bit Guests
    • Windows 2003 64-bit SP1 (Standard, Enterprise)
    • Red Hat Enterprise Linux 3 64-bit (UP6, UP7)
    • Red Hat Enterprise Linux 4 64-bit (UP2, UP3)
    • SuSE Linux Server (SLES) 9 64-bit (SP3)
    • Solaris 10 1/062
other virtualization platforms
Other Virtualization platforms
  • XEN
    • XEN 3.0 -- Open source
      • Limited guest support
      • Requires OS Source code changes
    • XEN Enterprise – commercial
      • Windows and Linux support
  • Virtuozzo
    • Linux roots
    • Virtualizes the OS rather than the hardware
virtual servers summary
Virtual Servers Summary
  • VMware Virtual Server
    • Free, excellent host and guest support
    • 64-bit host and guest support
    • No clustering support
  • Microsoft Virtual Server 2002 R2
    • Free, Microsoft-only hosts, good guest support
    • 64-bit host support, no 64-bit guest support
    • Support Microsoft Clustering for hosts

(Both benefit for Windows Server 2003 R2 licensing)

virtual servers summary40
Virtual Servers Summary
  • ESX Server
    • Highest costs, bare metal performance
    • Virtual SMP, highest guest capacities
    • No clustering for hosts, clustering for guests
  • XEN
    • Free, open source, requires OS source code changes
  • Virtuozzo
    • Not free, virtualizes OS not hardware
application virtualization scenarios
Application Virtualization Scenarios
  • Legacy applications
  • Incompatible applications
  • End of DLL Hell
  • No OS changes
  • Can be coupled w/ AD or other management frameworks for client management and deployment
application virtualization43
Application Virtualization
  • Runs as an application
  • Virtualizes OS settings
    • Registry
    • File System
application virtualization products
Application Virtualization Products
  • Softricity SoftGrid
    • Application virtualization
    • Deployment
  • Altiris Software Virtualization Solution
    • Application virtualization
softricity softgrid
Softricity SoftGrid
  • $5000 base price w/ 20 CALs
  • Purchased by Microsoft
  • Requires AD
  • Requires a backend applications server
  • On-demand deployment
    • Streams software to clients
  • Policy-based management
softgrid overview
SoftGrid Overview
  • Install SoftGrip Application Server
  • Deploy SoftGrid Clients
  • Add SoftGrid Application Groups to AD
  • Sequence target applications
  • Assign applications to SoftGrid AD groups
altiris svs
Altiris SVS
  • Free
  • No complex infrastructure requirements
  • Implemented as a file system filter driver
    • Redirects registry and file system calls
altiris svs overview
Altiris SVS Overview
  • Install SVS on the client
  • Create an application layer
  • Install the target application into the application layer
  • Activate the application layer
windows server 2007 hypervisor
Windows Server 2007 Hypervisor
  • Hardware assisted virtualization
    • Intel Virtualization Technology
    • AMD Virtualization Technology
  • Windows Server 2007 Hypervisor
  • Compatible with MS VM Images
virtualization management
Virtualization Management
  • VMware Infrastructure
    • No AD requirement
    • Manages Virtaul Server, GSX Server and ESX Server VMs
  • Microsoft System Center for Virtual
    • Requires AD
    • Manages Microsoft Virtual Server 2005 VMs
    • Currently in beta
additional resources
Additional Resources
  • Hardware Partitioning
    • HP Integritywww.hp.com/enterprise/cache/262803-0-0-225-121.html?jumpid=reg_R1002_USEN
    • Unisys ES7000www.unisys.com/products/enterprise__servers/high_d_end__servers/features.htm
    • Fujistu PrimeQuestwww.fujitsu-siemens.it/products/mission_critical/primequest440_480.html
additional resources54
Additional Resources
  • Desktop Virtualization
    • Microsoft Virtual PC 2004www.microsoft.com/windows/virtualpc
    • VMware Workstation 5.5www.vmware.com/products/ws/
additional resources55
Additional Resources
  • Server Virtualization
    • Microsoft Virtual Server www.microsoft.com/windowsserversystem/virtualserver
    • VMwarewww.vmware.com
      • Virtual Server
      • ESX Server
additional resources56
Additional Resources
  • Application Virtualization
    • Softricity SoftGridwww.softricity.com
    • Altiris SVSwww.altiris.com/Products/SoftwareVirtualizationSolution.aspx
thank you

Thank You!

Michael Otey

mikeo@windowsitpro.com