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Vol. 2 No. 9 November 2003

Creating a model for data backup capacity

One of the major benefits commonly touted for implementing a storage network is improved utilization. With proper planning and cooperation, you can forecast storage needs for a given budget cycle and consolidate storage purchases, resulting in considerable savings. However, most managers neglect the backup environment, particularly the tape infrastructure. This leads to a flurry of panicked activity, often resulting in a hurried purchase to address the immediate need. Repeating this numerous times results in a chaotic backup infrastructure. Forecasting your tape drive needs Once you model your current tape environment and measure your actual data growth needs, you can forecast when your current environment will run out of steam. In this real example, the environment was basically already maxed out. By consolidating backup servers on a common platform, the tape infrastructure could be better used, resulting in extended life before it hit the capacity ceiling. To develop a model for capacity planning, there are two dimensions of ...

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Features in this issue

  • Defragmenting Disks Falls by the Wayside

    The deal on disk fragmenting

  • Too many SAN islands

    by  Jeff Moad

    One of the main challenges to growing SANs is the proliferation of independent SAN islands. We look at how and why a multinational financial services company consolidated many islands into larger ones, but stopped short of a single, unified SAN.

  • Sane strategies for SAN growth

    What's the right way to design storage networks for growth? There's no simple answer to that question, but understanding the implications of storage- or network-centric approaches will help you make the right choices.

  • New directions for switches

    With all of the recent acquisitions and new partnerships forming this year, finding the right Fibre Channel switch for you is even more confusing. This article will help you chose the right one.

Columns in this issue