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Vol. 7 No. 3 May 2008

All thin provisioning is not created equal

  Thin provisioning (TP), a virtualized storage technology that creates an allocated amount of pooled disk space that apps share, is supported by most array vendors. One of the biggest advantages of TP is that it lets the storage admin increase capacity utilization and not overprovision storage. But not all TP implementations are alike. Because of intense vendor marketing that emphasizes each company's "superior" implementation, it's difficult for a user to evaluate and compare products. Ashish Nadkarni, principal consultant at Framingham, MA-based GlassHouse Technologies, says users should consider the following when comparing TP offerings: What's the maximum supported pool size? What seems like a fairly straightforward question was answered differently by all of the vendors contacted for this article. "For LUNs, which have been thin provisioned, the maximum LUN size is 1TB; for flexible volumes it is 16TBs," writes Rich Clifton, NetApp's senior VP and general manager, virtualization and grid infrastructures business units, in ...

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Features in this issue

  • Hard disk drives become more affordable

  • Legal toolkit for storage systems

    Storage managers may be reluctant to admit it, but they and the storage systems they manage are key players in most companies' compliance and legal readiness procedures. While ediscovery is the current buzzword, there's currently no all-encompassing ediscovery tool on the market. But you can assemble an effective toolkit with some of the point products that are available now.

  • Ask the Expert: NFS vs. CIFS

    What should you consider when choosing between Network File Sharing (NFS) or Common Internet File System (CIFS)?

Columns in this issue

  • Hot Spots: Just say 'Yes' to a new IT strategy

    by  Bob Laliberte

    Software will increasingly transcend the self-imposed technology barriers that have evolved in larger data center environments. The ability to create policy-based programs that not only automate processes, but empower others to help themselves, will dramatically improve efficiency.

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