Five offerings show technology is ready for prime time whatever your OS or price point.

Joe Hernick, IT Director

April 30, 2009

2 Min Read

Take A Test Drive
VMware, Citrix, and Virtual Iron all have full-featured demos available to try before you buy. If time allows, it may be worth the effort to build test clusters for your two top hosting candidates.

Live migration is a critical element of VM cluster management; however, you'll be able to save a lot of money if your organization can tolerate brief production outages to shuffle a VM from host to host. Likewise, assess your appetite for high-availability capabilities; high availability comes at an additional licensing premium.

Finally, a warning: The VM tools in this Rolling Review made it ludicrously easy to create a virtual server. Too easy. Ensure that your virtual environment maintains the same rigor and change-control discipline as the physical side of your shop. Wanton creation of guests and fluctuating resource demands can lead to "VMotion sickness." Don't let your virtual world get away from you.

Joe Hernick is an InformationWeek Analytics contributor and former Fortune 100 IT executive.

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About the Author(s)

Joe Hernick

IT Director

Joe Hernick is in his seventh year as director of academic technology at Suffield Academy, where he teaches, sits on the Academic Committee, provides faculty training and is a general proponent of information literacy. He was formerly the director of IT and computer studies chair at the Loomis Chaffee School in Windsor, CT, and spent 10 years in the insurance industry as a director and program manager at CIGNA.

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