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Virtualization

Virtualization

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Virtualization

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  1. Virtualization Michael Lonski Allegro Consultants

  2. Who… • OpenEdge v3.2 and Unix since 1987 • International speaker and author • Helped found Allegro in 1993 • 35 programmers and DBAs • Contract programming, project management, integration and consulting

  3. Database server Web server EDI server Datawarehouse Dedicated RF PC Typical I.T. environment • Warm backup? • Test server? • Reporting server? • Standard PC client?

  4. Utilization and costs Database server 70% utilization No failover machine Web server 2% utilization No cold backup EDI server 1% utilization Out-dated OS and HW Data warehouse 90% while cube building 15% utilization normally License does not allow testing copy Dedicated RF PC 25% utilization Impossible to Re-create machine

  5. Database server Web server Data warehouse EDI server Dedicated RF PC What is virtualization? Physical server 1 Physical server 2

  6. Database server HP-UX 10.20 PA-RISC CPU Progress 7 Web server Sun Solaris 7 SPARC CPU Apache EDI server Windows 95 Pentium 3 CPU Incompatibilities

  7. Database server Linux Web server Windows Server 2003 EDI server Windows 95 Virtual servers Physical server 1

  8. Basic benefits • Fewer physical servers to maintain • Higher utilization • Easy to “move” virtual servers • Longer life expectancy

  9. Database server Web server Forms server Forms server Moving virtual servers Physical server 1 Physical server 2

  10. Abilities • Buy the right “amount” of server • Step up to faster servers easily • Replace older servers without risks • Perform maintenance without downtime

  11. How does it work? Physical server Physical disk

  12. How does it work? (cont’d) Physical server Physical disk Host operating system and VMWare

  13. How does it work? (cont’d) Physical server Physical disk Host operating system and VMWare Virtual server 1 - blank Virtual disk Virtual server 2 - blank Virtual disk

  14. How does it work? (cont’d) Physical server Physical disk Host operating system and VMWare Virtual server 1 – database server RedHat Linux QAD MFG/pro Virtual disk Virtual server 2 - blank Virtual disk

  15. How does it work? (cont’d) Physical server Physical disk Host operating system and VMWare Virtual server 1 – database server RedHat Linux QAD MFG/pro Virtual disk Virtual server 2 – data warehouse MS Windows Server 2003 Business Objects Virtual disk

  16. Database server Data warehouse Data warehouse How does it work? (cont’d) Physical server 1 Physical server 2

  17. Related Technologies • VMotion – instantaneous migration • VMFS – cluster file systems • DRS – dynamic resource allocation • ESX Server – self-optimizing data center • Many others…

  18. Additional benefits • Encapsulate your server • Room to grow • Easy to set up new servers • Room for testing machines

  19. Additional benefits • Scalability • Snapshot backups • True failover • Desktop player

  20. Issues • Only some VM is free • x86 very inexpensive • Proprietary Unix is expensive • CPU/Chipset dependent • Licenses often murky • Support from QAD and Progress • Converter

  21. Efficiency and less downtime • One physical machine • Multiple OSes • Movable OSes • Maximize utilization of servers • Ease set up of new servers • Simplify testing • Reduce downtime

  22. Any questions?

  23. Thanks for attending!