Is virtual machine software a panacea?

Is virtual machine software a panacea?

Summary: A client was probing where and how virtual machine software should fit in an organization's overall IT strategy. The discussion got a bit heated at time because I asserted that while virtual machine software is an important addition to an organization's set of tools, it is clearly not a panacea.

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A client was probing where and how virtual machine software should fit in an organization's overall IT strategy. The discussion got a bit heated at time because I asserted that while virtual machine software is an important addition to an organization's set of tools, it is clearly not a panacea. There are many other virtualization technologies that are better suited to some important tasks.

I've put some of those ideas, the ones that would not make the client easily identifiable, into a recently published paper. The paper, Virtual Machine Software is not a Panacea, can be found here.

Do you agree with this reasoning? Since I made no attempt to make the document comprehensive, I'm sure that there are other points that were not included. What other points do you think I should have added?

Topics: Software, Virtualization

About

Daniel Kusnetzky, a reformed software engineer and product manager, founded Kusnetzky Group LLC in 2006. He's literally written the book on virtualization and often comments on cloud computing, mobility and systems software. In his spare time, he's also the managing partner of Lux Sonus LLC, an investment firm.

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4 comments
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  • But why?

    I'm about to get started rolling out VMWare across some early production machines - it's been working well in my test environment. Why wouldn't I just use my management suite to manage these as well?

    Or - should I prepare for sleepless nights and google searches...
    VirtualGeek
    • More a warning than anything else

      His paper isn't really saying there's a problem with virtualization, or not to do it. More that there are issues assosiated with virtualization that need to be addressed. As a Sys Engineer for a VMware Reseller, I do many virtualization projects for lots of different companies and manage it internall for our own servers and as a hosting service. There are many benefits in virtualization, but I do agree that the items in the paper at least need to be considered, and probably addressed now instead of waiting for them to become an issue later.
      evan@...
  • RE: Is virtual machine software a panacea?

    People need to take the time to move from focus on a single technology, e.g. virtual machine software, to look at the big picture.
    dkusnetzky@...
  • What should be done

    You didn't really answer the question. Should we be following the same best practices for virutal machines as we are for physical? SHould we use the exact same tools, policies and processes? Do we need to worry about added risk and if so, what should we be considering?
    virtualbille