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Can virtualization help?
The reasons for the cool reception to storage virtualization have been well documented: it's costly, can be difficult and time-consuming to implement, and is tough to back out of if desired. While virtualization has certainly made inroads, survey responses largely reflect the difficulties associated with it, as 48% indicated that they haven't virtualized any of their storage. Those who have taken the virtualization plunge appear to be proceeding cautiously, with approximately 20% virtualizing some of their block or file storage. Still, among those who haven't virtualized, 67% have no planned storage virtualization purchases for 2008.
While he could add virtualization via his installed Hitachi Universal Storage Platform (USP) array, Keller at the University of Oklahoma still isn't convinced. "To do virtualization, I've got to give up some of my FED [front-end director] ports," he says. "I don't want to give up those resources."
With a droopy economy and lots of new capacity needs, storage managers will be watching
| every penny, trying to get past 2008 relatively unscathed. That explains the heightened interest in iSCSI, dedupe, VTLs and a handful of other newer technologies. It won't be an easy year, but it will be an interesting one.
This was first published in June 2008