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Access "SAN anxieties allayed"

Published: 19 Oct 2012

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 don't have to stop any processes... Access >>>

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Features
    • New wave of virtualization by Marc Staimer

      Second-wave storage virtualization products address the cost and complexity related to six significant problems.

    • Switch partitions gain steam by Alex Barrett

      If you're looking to consolidate SANs, without giving up the benefits of keeping your sites physically separate, the new switch partitioning capabilities might be for you.

    • Varieties of data protection

    • Tale of the tape

      Storage magazine's first tape reliability survey reveals that despite its low media cost and portability, many storage pros consider tape a weak link in the backup chain.

    • 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.

    • 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.

    • 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.

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