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Vol. 1 No. 12 February 2003

Modernize mainframe storage

  The best of both worlds Market pressures and new technologies are pushing the world of the mainframe and open systems together. Here's how: FICON, at 100MB/s, offers a faster replacement for 17MB/s ESCON interconnects and provides compatibility with Fibre Channel (FC) storage area networks (SANs) as well as the ability to span much longer distances. New storage management systems address both mainframe and open systems storage through a single interface. Hierarchical Storage Management (HSM), used for decades on mainframes, is becoming common in open systems environments as tape and slower nearline disk arrays move lesser-used data away from primary disk. Storage experts skilled in the mores of expensive mainframe storage are imposing tighter restrictions on their users than space-hungry open systems administrators. IBM's Linux on the mainframe provides the logical benefits of an open systems environment--such as a native SCSI stack--while retaining the large-scale benefits of the mainframe, such as the ability to run ...

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Features in this issue

  • Midrange Arrays Inherit High-End Smarts

    Virtualization layers, once a feature of only the most expensive storage subsystems, are beginning to ship with midrange storage systems.

  • Optimize database storage

    by  Jim Booth

    In this article, author and consultant Jim Booth maintains that different database objects may each require their own type of storage to make the database operations run more smoothly. Whether you're dealing with tablespaces, indexes, redo logs or archives -- there's a right and wrong storage choice for each database component. This article explains what they are.

  • Inside the new Symmetrix

    by  Michael Desmond

    Inside the new Symmetrix

Columns in this issue

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