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Vol. 3 No. 12 February 2005

Mitigating risk is challenging and can be very expensive

Nearly every discussion of risk has to start with a definition of the term--and I won't buck that trend here. Risk is the level of exposure to unfavorable consequences from unplanned or unforeseen circumstances. In the world of enterprise storage, unfavorable consequences range from an inability to meet some aspect of a committed service level, such as performance, to the catastrophic, where substantial or all storage resources are unavailable to the business units. It's important to note that unplanned circumstances that expose companies to risk are different than unforeseen circumstances. For example, an unplanned circumstance might be that while we thought about the possibility of our East and West coast campuses experiencing simultaneous disasters, we considered it so remote an occurrence as to be unworthy of any investment in mitigation or planning. On the other hand, an unforeseen circumstance means we didn't even think about the possibility of a particular event occurring--like the night shift operator deciding to spray ...

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Features in this issue

  • No-sweat SAN design

    Whether you're planning a new storage area network (SAN) or dealing with the growing pains of an existing one, SAN design tools can ease the process.

  • E-mail archivers keep companies legit

    Storage managers must deal with stricter government regulations and rapidly escalating e-mail stores. There are many e-mail archiving programs available, but finding the one that best meets your company's needs is the key.

  • D2D Backup: Disk's dual role

    In part one of a three-part series on disk-based backup, we describe how SAN disk-as-disk and NAS disk-as-disk work, as well as the pros and cons of each configuration.

  • Backup exec: Time to grow up

    New version of Backup Exec catches up with Windows growth.

  • Scaling SANs

    Horizontal and vertical scaling are two methods of improving a SAN's capacity and performance. We discuss how to choose the appropriate approach for your environment.

Columns in this issue