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Apc - 26oct2011
- 1. Virtualizarea î ntre extaz ş i agonie Eduard Bodor Data Center BDM for Central Europe Beneficii aduse şi provocări introduse
- 2. Increasing pressure Data Center … on data center planning and operation We created – and continue to improve – a new way to plan, design, install, manage, and maintain data centers In response … Energy and service cost control Increasing availability expectations Regulatory requirements Server consolidation Dynamic power variation Uncertain long-term plans for capacity or density Cloud computing Energy efficiency Virtualization
- 7. Power and cooling need to be optimized too! POWER infrastructure COOLING infrastructure Right-sized, efficient, LEAN power and cooling Right-sized, efficient, LEAN server utilization Actual POWER needed Actual COOLING needed Less TOTAL power, less TOTAL heat, but now LOCALIZED Need to decommission unused capacity to save electrical cost of “fixed losses” of power and cooling systems THE GOAL: PLUS BEFORE virtualization AFTER virtualization and consolidation Application Operating System Application Operating System Application Operating System Application Operating System Application Operating System Application Operating System VM VM VM Application Operating System Application Operating System Application Operating System Application Operating System Application Operating System Application Operating System Application Operating System Application + OS Application Operating System Application + OS Application Operating System Application + OS Application Operating System Application + OS Application Operating System Application + OS Application Operating System Application + OS
- 8. BEFORE virtualization: Room cooling is working Constant load day and night
- 9. AFTER virtualization: Pop-up hot spots 7am – 8 am 9am – noon Lunchtime 1pm – 4pm 4pm – 6pm 6pm – 7am 8am – 9am
- 10. Hot spots move around 7am – 8 am 9am – noon Lunchtime 1pm – 4pm 4pm – 6pm 6pm – 7am 8am – 9am
- 11. Hot spots move around 7am – 8 am 9am – noon Lunchtime 1pm – 4pm 4pm – 6pm 6pm – 7am 8am – 9am
- 14. InfraStruxure Operations PRO Pack System Center Operation Manager Monitoring software (ISX Central) ISX Operations UPS a Virtual Machine Manager PRO Pack UPS b Rack 1 Server Virtual job UPS on battery Monitoring software detects anomality ISX Operations registers alarm and calculates an impact analysis. ISX Operations communicates with Virtual Machine Manager through SCOM PRO Pack Based on the impact analysis from ISX Operations , the relevant virtual jobs are moved to healthy hosts. Rack 2 = impact analyzer Location + power path
Hinweis der Redaktion
- Virtualization allows you to right size IT hardware to processing demand. While using the processing capacity (memory, storage, I/O capacity) to its maximum level instead of having many computers more or less running in idle mode, the question is no longer „how many servers do you need“ but „how much computing power do you need“. In a car pooling situation you would no longer ask for the number of cars needed, but for the number of seats...
- Virtualization has clear and unambiguous benefits from the IT perspective, and these continue to be validated as virtualization continues its march toward becoming routine. So... data centers virtualize in the first place to improve efficiency... namely PROCESSING efficiency. And the gains there can be dazzling... 8 to 1... sometimes even 10 to 1 server efficiency gains are possible. And that directly lowers capex and opex. So from a MICRO perspective, inside the servers, the operational and energy benefits are obvious. BUT.... on the MACRO level, some surprising causes and effects emerge. And THAT’s what our message is. Once the IT systems are virtualized, and those capex and opex gains are beginning to appear, the virtualization story doesn’t end. The data center can become MORE unstable and costly as a direct result of virtualization... and the power and cooling infrastructure can become a wildcard if you don’t know how to do it right.
- So, to summarize… virtualization is a fantastic tool in the efficiency tool box, but it has serious power and cooling implications beyond the well-publicized IT issues that you see all over the IT press these days. It should come with a warning label about the implications that many users may not understand, or even KNOW about. Ignoring that warning label can cost you big bucks that are waiting to be claimed, if only you know what to do to make it right.
- To learn more about virtualization and how to optimize power and cooling to maximize benefits, APC White Paper #118 is the best all-around reference to consult. This white paper provides a lot of additional background and amplifying information on the topic of virtualization and it was a primary source of technical information used in developing this presentation. (Review the topics addressed by the white paper.) New slide/notes.