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OS often dictates hardware choice in virtual environments
This article is part of the Virtual Data Center issue of October 2008, Vol. 5
Server platforms exhibit differences in the level of sophistication of virtualization software, especially in virtualization infrastructure and management capabilities. To make the best architectural choice, IT managers should understand these differences. OS choice generally dictates hardware choice. The OS on which applications are deployed usually dictates the underlying hardware platform choices. If your organization has a Windows environment, for example, choosing the right hardware platform is fairly straightforward. Windows runs on x86-based hardware and on Itanium-based platforms. If your organization runs advanced 64-bit applications, then Unix is the dominant OS choice. If your organization runs z/OS or other mainframe OSes, clearly a mainframe platform and an associated microprocessor architecture should be chosen. Platform choice is important. The IT marketplace has begun to bifurcate and move toward (1) scale-up architectures (including scale-up x86 multiprocessor servers, RISC servers and mainframes) and (2) ...
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Features in this issue
With virtual architecture, your hardware considerations change, so you can’t make hardware purchases in isolation. Virtualization has implications for CPU, memory, storage and network bandwidth.
Your choice of operating system often dictates your hardware choice.
Organizations have progressed in their virtual deployments, and many now use virtual machines for disaster recovery strategies. But a virtual architecture introduces new concerns for data recovery, data management and more