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Virtually Speaking

Dan Kusnetzky, Paula Rooney and Ken Hess

Study: 1/3 of enterprises plan to switch primary hypervisor within 12 months

By | November 2, 2011, 8:51am PDT

Summary:   The vast majority of enterprises are using a mixture of hypervisors and more than one third of those companies plan to switch their primary virtualization engine in the next year. And despite the itch to consolidate, the vast majority of enterprises don’t really have a good handle on the scope of virtualization going on in their respective [...]

 

The vast majority of enterprises are using a mixture of hypervisors and more than one third of those companies plan to switch their primary virtualization engine in the next year.

And despite the itch to consolidate, the vast majority of enterprises don’t really have a good handle on the scope of virtualization going on in their respective companies. Does that sound right to you?

According to a quarterly study dubbed the V-index conducted by UK market researcher Vanson Bourne (and commissioned by one vendor), roughly 38 percent of 500 enterprises interviewed across the U.S. and Europe intend to change their primary server hypervisor in the next 12 months and the same is true for 34 percent of the same population doing desktop virtualization.

The consolidation trend is reportedly being driven by rising costs, complex licensing models and maturing features of virtualization platforms. The V-index study, commissioned by VMware premier partner Veeam, has 84 percent of enterprises using VMware, 43 percent using Microsoft Hyper-V, 53 percent using Citrix Xen and 16 percent using other hypervisors, with the quarter to quarter increase share going to VMware.

That’s not surprising (given the source of the study), but more seriously because of VMware’s known dominance and leadership in the market. Veeam is a top VMware Technology Alliance partner with offices in the U.K. and Columbus, Ohio in the U.S. and provides VMware backup and VMware management software.

And I suppose it’s not surprising that CIOs, according to the same study, “overestimate” the number of virtual machines by 80 percent. Most CIOs, after all, want to believe that they are getting all the power they can get out of their servers — and that they are hip to the cloud thing.  For instance, the “perceived” ratio of VMs to physical servers is 9:1, the V-index found.  But the reality is that the ratio is more like five virtual machines per each server, the V-Index maintains.

But the information itself is interesting, and useful to ponder. The V-index, which got its start last July, offers interesting measurements of virtualization.  I would be very interested in getting enterprise  feedback on its findings and the extent to which consolidation — and the extent of actual virtualization –is going on in corporations across the globe. 

Below, I’ve pulled verbatim a list of initial finding of the v-index when launched in July. Please feel free to comment, question, take issue with or agree with some of the key findings of the third quarter v-index released today or any of these basic findings arrived at last summer:

39.4% of all servers within all of the enterprises surveyed were virtual.

  • The average number of physical servers in an enterprise is 664.
  • 91.9% of all enterprises are using virtualization to some degree.
  • Of these enterprises, each has on average 470 virtual machines. At the same time, the average number of physical hosts is 113 per enterprise.
  • The average perceived virtual machine to physical host consolidation ratio is 9.8:1, i.e. on average enterprises believe that each of their physical hosts is hosting 9.8 virtual machines.
  • However, by calculating the ratio of virtual machines to physical hosts for each individual enterprise, the actual average consolidation ratio comes to 6.3:1.
  • Of those enterprises using virtualization, 84% use VMware, 61% use Microsoft Hyper-V, 55.4% use Citrix Xen and 12% use other hypervisors.
  • 58% of enterprises use VMware as their primary hypervisor, 20.2% use Citrix Xen, 18.6% use Microsoft Hyper-V and 3% use another hypervisor*.
  • Enterprises have identified a number of barriers to increased virtualization penetration:
    • 38.8% cited concerns about reliability
    • 37% cited the need to wait for a hardware refresh before deployment
    • 32.4% cited concerns around application performance
    • 32.4% cited concerns around backup and restoration
    • 30.8% cited concerns around managing the virtual estate
  • 81.4% of enterprises using virtualization are planning to increase their level of server virtualization in the next 12 months.
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    Paula Rooney is a Boston-based writer who has followed the tech industry for almost two decades.

    Disclosure

    Paula Rooney

    Paula Rooney owns no stock in the companies that she covers. She holds a 401K that is managed by JPMorgan.

    Biography

    Paula Rooney

    Paula Rooney has covered the technology industry for more than 15 years, starting with semiconductor design and mini-computer systems at EDN News and later focused on PC software companies including Microsoft, Lotus, Oracle, Red Hat, Novell and other open source and commercial software companies for CRN and PCWeek. She received a silver award from the American Society of Business Publication Editors in 2005 for her profile on Linus Torvalds and edited and co-authored "Partnering With Microsoft," a book about Microsoft's channel published by CMP Publishing in 2004. Rooney graduated from the Columbia University Graduate School of Journalism in 1997. In her off time, she enjoys scuba diving, sailing, sun worshipping, running and reading. She resides on the shores of Scituate, Massachusetts.

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    hjfexwz 62 gwq
    dmakrekdw31-24379076675253733066497299515348 25th Nov
    cbcqsn,enecrljx24, cnjib.
    1/10 the cost of vmware. I'd expect a lot of sweeping out of vmware if this is accurate.
    @Johnny Vegas I think that Hyper-V and XenServer both have a good chance of wiping out VMWare especially on the low end. Windows 2008/7 are excellent under Hyper-V. Windows 2008/7 and Linux are great under XenServer. I think if one was virtualizing very old versions of Windows, Linux, DOS or Netware then VMware is likely the better performing option. As legacy systems go away it makes more sense to leverage hypervisors designed specifically to work with the newer systems. The $0 entry level price point of Hyper-V and Xen are a very attractive foot in the door. There is a ton of value to be had for free and upgrading to complex failover and automation setups from the free versions is a matter of just buying some licenses.
    Um, where does it say that anyone is switching hypervisors?
    For those looking at desktop virtualization, the big savings comes in moving the workload to a hypervisor on the client vs. in a data center. PC prices have come down so that desktops are close to thin clients in costs - desktop virtualization on the client side gives all the benefits of server-hosted VDI, but it leverages the lower priced end-point hardware to deliver cost savings and higher performance (because it executes locally, it feels like a native PC).
    -Sham Sao, SVP
    VirtualComputer.com
    0 Votes
    + -
    Look before you leap
    ericinva 7th Nov
    Given VMware's dominance in the hypervisor market coupled with their recent less-than-popular change in
    licensing, it seems to me that they'd have the most to lose if people start switching hypervisor platforms in large numbers. But if "switching" means the wholesale swapping out of one platform for another, those doing so can lose as well. I shudder to think of the implications of moving a bunch of critical virtual machines from VMware to, say, KVM.

    Consider, too, the implications of switching virtualization gears midstream. Entire processes and workflows are built around provisioning and management of the current virtualized ecosystem. And then there are integration points with other data center infrastructure. You may have the best backup solution for your current virtual environment, but what about the new one?

    If an enterprise concludes that a vendor is putting too much of a squeeze on them, a better approach might be to gradually introduce new (read: competing) vendors to their data center floor. There's no rule saying that if one server in a data center is virtualized with, for example, Hyper-V that they ALL have to be, and being able to play one vendor against the other is a great way to get more favorable pricing. What's more important is having the right tools to manage such critical things as application availability across disparate physical and virtual platforms.

    Eric Hennessey
    Sr. Principal Technical Product Manager
    Symantec Corp.
    0 Votes
    + -
    hjfexwz 62 gwq
    dmakrekdw31-24379076675253733066497299515348 25th Nov
    cbcqsn,enecrljx24, cnjib.

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