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Vol. 3 No. 12 February 2005

No-sweat SAN design

Common SAN designs There are many possible design possibilities when creating a storage area network (SAN). Josh Judd, author of Multiprotocol Routing for SANs, identifies the most common SAN design options. Storage area networks (SANs) remain complicated beasts. Despite vendors' efforts to simplify SAN implementation and management, they remain difficult to build, maintain and manage. Surprisingly, there are only a couple of SAN design tools that help storage administrators to design and update a SAN over time. The need for SAN design automation is clear. "As soon as you go beyond a SAN that is small--maybe one switch and a few devices--you can't design it with paper and pencil, a spreadsheet or a whiteboard," says Bill North, director of research, storage software at International Data Corp. (IDC). "Everything just breaks down." For most organizations, expanding a SAN is a trial-and-error process. SAN design projects rarely start with a blank slate; instead they expand or consolidate storage that's in place. Storage managers ...

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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