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VMware Esx Short Presentation


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VMware Esx Short Presentation for BarcampCork 2009

VMware Esx Short Presentation for BarcampCork 2009

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  • 1. VMware ESX Server Datacenter-Class Virtual Infrastructure for Mission-Critical Environments Copyright © 2005 VMware, Inc. All rights reserved.
  • 2. VMware Mission
    • Transform industry standard server and desktop computing through virtualisation
    Copyright © 2005 VMware, Inc. All rights reserved. Application OS Hardware Virtualisation Hardware App OS App OS 70% Reduction in Operating Costs 40% Reduction in Hardware and Software Costs Increased Reliability & Responsiveness Greatly Enhanced Business Continuity Increased Utilisation & Return on Assets Application OS Hardware
  • 3. What is Virtual Infrastructure? Copyright © 2005 VMware, Inc. All rights reserved. Infrastructure is what connects resources to your business Virtual infrastructure is a dynamic mapping of your resources to your business Result: d ecreased costs and increased efficiencies and responsiveness VMware technology provides a thin virtualisation layer that encapsulates operating systems and applications into portable virtual machines
  • 4. What is Virtualisation? Copyright © 2005 VMware, Inc. All rights reserved. Hardware Application Operating System With Virtualisation Without Virtualisation
      • VMware provides hardware virtualisation that presents a complete x86 platform to the virtual machine
      • Allows multiple applications to run in isolation within virtual machines on the same physical machine
      • Virtualisation provides direct access to the hardware resources to give you much greater performance than software emulation
  • 5. Three Key Properties of Virtualisation Copyright © 2005 VMware, Inc. All rights reserved.
    • Partitioning
    • Run multiple operating systems on one physical machine
    • Fully utilise server resources
    • Support high availability as shared data is cluster-ready for failover and redundancy
    • Encapsulation
    • Encapsulate the entire state of the virtual machine in hardware-independent files
    • Save the virtual machine state as a snapshot in time
    • Re-use or transfer whole virtual machines with a simple file copy
    • Isolation
    • Isolate faults and security at the hardware level
    • Dynamically control CPU, memory, disk and network resources per virtual machine
    • Guarantee service levels
  • 6. VMware ESX Server Copyright © 2005 VMware, Inc. All rights reserved.
    • ESX Server is a virtual machine platform with a bare-metal architecture for highest possible performance
    • Lean virtualisation-centric VMkernel delivers complete control over hardware resources
    • Supports dynamic allocation of computing resources
    • Highly available, fault-tolerant and secure design
    • Supports both scale-up and scale-out strategies
    Datacenter-Class Virtual Infrastructure for Mission-Critical Environments
  • 7. Bare-Metal vs. Hosted Virtualisation
    • Bare Metal
    • Hosted
    Copyright © 2005 VMware, Inc. All rights reserved.
    • Device support is inherited from host operating system for maximum hardware compatibility
    • Virtualisation installs like an application rather than like an operating system
    • Can run alongside conventional applications
    • Maximum performance with lowest overhead using certified hardware
    • Highly efficient direct I/O pass-through architecture for network and disk
    • Highly secure micro-kernel virtualisation layer— only 100Ks of lines of code versus 10–25 million lines of host operating system code
    • Advanced features like VMotion available
    (ESX Server) (Workstation, ACE & GSX Server)
  • 8. ESX Server Components Copyright © 2005 VMware, Inc. All rights reserved. VMkernel Shared SAN Storage VMware Management Interface (MUI) & Remote Console
    • VMkernel
      • Manages all virtual machines
    • Service console
      • Linux-based bootstrap manager and administrative interface
    • VMware management interface (MUI)
      • Access to ESX Server admin
    • ESX Server remote console
      • Access to virtual machines
    • VMware Scripting API
      • Automate management & monitoring
  • 9. ESX Server Remote Management Features Copyright © 2005 VMware, Inc. All rights reserved.
    • Web-based management interface
      • Create, modify, stop, start, suspend/resume virtual machines
      • Monitor CPU and memory usage
      • Access from any browser
    • Remote console
      • Windows and Linux versions
      • Create, configure & manage VMs
      • Full mouse and keyboard support
      • Remote full screen
      • Tabbed “quick switch” interface
      • Good low-bandwidth performance
    • SSL security
  • 10. ESX Server is a Resource Multiplier with Very Granular Resource Management Copyright © 2005 VMware, Inc. All rights reserved.
    • All physical resources are shared by virtual machines resulting in a multiplier effect
      • The goal is to maximise hardware utilisation for greatest ROI while providing isolation
    • ESX Server provides very granular resource allocation per virtual machine
      • Can establish minimum, maximum, and proportional share amounts per VM for CPU, memory, disk and network bandwidth and modify these allocations while they are running
      • Allows apps to use greater resources periodically without requiring a constant allocation
    Resource Physical Server Virtualisation CPU Memory Storage Network 4-Way Server 20–30 VMs 6GB Server 12GB VM Memory 2 HBAs (paired) 32 Virtual Disks 2 NICs (teamed) 16 Virtual NICs
  • 11. VMware Virtual SMP
    • Add-on module for ESX Server
    • Allows single virtual machine to span two processors
    • Benefits
      • Increased virtual machine performance
      • Move more intensive workloads into virtual machines
      • Meet requirements of applications designed for 2-way systems
      • Develop and test applications in dual processor environments
    • Compatible with dual-core and hyperthreaded processors
    Copyright © 2005 VMware, Inc. All rights reserved.
  • 12. Copyright © 2005 VMware, Inc. All rights reserved. Device Management for Hardware Virtualisation
    • VMkernel virtualises the physical hardware and presents each virtual machine with a standardised virtual device
    • This standardisation makes virtual machines uniform and portable across platforms
    1-4 Ports 1-4 Ports 1-2 Drives 1-4 Ethernet Adapters 1-4 SCSI Adapters 1-15 Devices Each Up to 2 CD-ROMs Up to 3.6GB RAM and 1 CPU or 2 CPUs with VMware Virtual SMP
  • 13. Network Management for Network Virtualisation Copyright © 2005 VMware, Inc. All rights reserved.
    • VMs use virtual NICs mapped to one or more physical NICs through virtual switches
      • Each virtual NIC gets its own MAC address
      • Zero collisions occur for internal traffic
    • NIC Teaming groups 2-10 physical NICs to form a highly redundant network device
      • Statically load-balances traffic for all VMs
      • Traffic shaping can manage bandwidth per VM
      • Failover is offered transparently to all VMs
    • Extra Security available for virtual NICs
      • VMs on the same virtual switch cannot see each other’s traffic
      • Disallow MAC address changes by the OS
      • Disallow forged source MAC transmits
      • Disallow promiscuous mode
    Teamed Physical NICs
  • 14. Access Management ESX Roles Allow Granular Management Control Copyright © 2005 VMware, Inc. All rights reserved.
    • ESX Server allows for four levels of privilege to control access to ESX Servers and their virtual machines
    • VirtualCenter extends the ESX Server access control by allowing staff to manage all ESX Servers from a central point with active directory domain integration
  • 15. ESX Server Hardware Support Copyright © 2005 VMware, Inc. All rights reserved.
      • Dell
      • HP
      • IBM
      • Intel white box compatible servers and blades
      • NEC
      • Unisys
      • Bull
      • Dell
      • EMC
      • Fujitsu Siemens
      • HP
      • IBM
      • Network Appliance
      • NEC
      • 3PAR
      • Adaptec
      • LSI Logic
      • Adaptec
      • Dell
      • HP
      • IBM
      • LSI Logic
      • Mylex
      • Emulex
      • QLogic
      • Intel
      • Broadcom
      • 3Com
      • Fujitsu Siemens
    Rack and Blade Servers Storage Area Networks SCSI Controllers RAID Controllers Fibre Channel Adapters Ethernet NICs
  • 16. ESX Server Guest Operating System Support
    • Support for a broad range of guest operating systems
      • Windows Server 2003: Standard, Enterprise, Web Editions, and Small Business Server
      • Windows 2000: Server and Advanced Server
      • Windows NT : 4.0 Server
      • Windows XP Professional
      • Red Hat Linux 7.2, 7.3, 8.0, and 9.0
      • Red Hat Enterprise Linux 2.1 and 3
      • SUSE Linux 8.2, 9.0 and 9.1
      • SUSE Linux Enterprise Server 8
      • Novell NetWare 5.1, 6.0 and 6.5
      • FreeBSD 4.9
    Copyright © 2005 VMware, Inc. All rights reserved.
  • 17. Thank You. Copyright © 2005 VMware, Inc. All rights reserved.