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Vol. 3 No. 12 February 2005

SAN anxieties allayed

When IBM discontinued support for direct-attached Serial Storage Architecture (SSA) disks in its Unix RS/6000 (pSeries) servers a few years ago, directory database services provider LSSi Corp., Edison, NJ, was forced to take the plunge into storage area network (SAN) storage. That was much to the dismay of Mike McLendon, LSSi's director of technology. "I was really dreading introducing a new technology," McLendon recalls. A year ago, McLendon still had his doubts about the SAN, which comprised 30TB across several IBM FAStT900s. "The jury is still out as the systems are new, but we'll know more by the end of 2004 if the SAN is a win, draw or loss," he wrote at that time. By the end of 2004, however, McLendon was feeling more upbeat about the company's decision to go down the SAN path. Here are a few things McLendon specifically likes about the SAN: The incremental cost of adding additional storage is less expensive with the SAN than it was in a direct-attached environment. Adding additional storage capacity is much easier. "We ...

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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