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Vol. 9 Num. 4 June 2010

Virtual servers and their impact on data storage

Almost every IT shop has virtualized at least some of its servers, putting much of the burden of server consolidation on data storage systems. By Jeff Byrne Managing data storage resources has proven to be a challenge in virtual server environments since server virtualization first took root in data centers approximately seven years ago. By consolidating multiple virtual machines (VMs) on a single physical system, server virtualization imposes additional pressure on storage and I/O resources, and complicates functions such as data protection and storage management. In a recent Taneja Group end-user research study, we learned how your storage management peers are coping with the impact of server virtualization, and how they're attempting to employ the technology to their advantage. A total of 360 IT managers from a mix of North American enterprise and midsized organizations gave us their perspectives via an online survey, supplemented by follow-up phone discussions with selected respondents. Moving beyond Fibre Channel A majority...

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Features in this issue

  • Companies are better prepared for disasters

    More than 50% of the respondents to our disaster recovery (DR) survey are very confident that their DR plans will save their company from disaster. But one-third don't even test their plans.

Columns in this issue

  • Backup is too hard

    Storage environments are getting more complex, which makes data protection even tougher. While backup software does more these days, it's still frustrating the hell out of users.

  • Are more Symantec OST-like APIs needed?

    One of the by-products of Symantec's OpenStorage interface is a performance improvement in backup and recovery operations.

  • NFS a good match for VMware

    by  Tony Asaro

    With server virtualization proliferating, most companies are hooking those virtualized environments into Fibre Channel SANs; but there may be a better alternative.

  • Virtual servers and their impact on data storage

    Taneja Group senior analyst and consultant Jeff Byrne opines on how almost every IT shop has virtualized at least some of its servers, shifting much of the burden of server consolidation onto data storage systems.