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Vol. 7 No. 7 September 2008

DAS revs up for a resurgence

Once seemingly headed to the great storage junkyard, DAS may well prove to be the classic car of the storage market as it re-emerges with improved performance and new Web 2.0-friendly uses. DAS has hung around even after the advent of networked systems because it's cheap, easy to use and doesn't require nearly as much storage expertise as SAN management, making it much easier to find administrators for DAS. "DAS is a huge part of the market and it gets no respect," says Lee Johns, director of marketing, Hewlett-Packard (HP) StorageWorks entry storage and storage blades. "Anytime anyone wants to talk about storage, they want to talk about the SAN." SAS drives replacing SCSI drives gave DAS a boost, he says. Johns says HP was seeing "a general sort of slow decline" in DAS adoption, but "the performance of small form-factor SAS drives has really helped" DAS pick up again. "We're seeing innovation and growth in DAS business," says Praveen Asthana, global director of storage and networking at Dell. "[Vendors] are putting some storage...

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Features in this issue

  • Ask the Experts: RTOs and RPOs

    Is there a standard ratio between RTOs and RPOs, or are they independent of each other?

  • CDP in depth

    Continuous data protection (CDP) technology is now a viable alternative to traditional backup software and storage system-based replication software. But CDP products can vary significantly, especially in the context of different storage architectures. Depending on specific environments, companies may have to evaluate very different criteria before settling on a CDP product.

  • The lure of open-source backup programs

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