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Access "DAS: The last bastions"

Published: 19 Oct 2012

Something strange happened last quarter: According to IDC, the total percent of storage revenue--internal and external--that went to DAS increased to 56% of the market, up from 55% the previous quarter. External networked storage decreased from 45% to 44% of the market. But neither IDC analysts nor external storage vendors are willing to concede a trend. "We haven't seen anything that signals a shift in our data," says Jay Krone, EMC's director of Clariion platform marketing. If anything, IDC's numbers say more about server sales than they do about storage, per se. "The server industry had a bang-up Q4 for server sales under $6,000," says Krone. Those extra servers, he hypothesizes, "might be enough to move the needle toward SCSI JBOD." Furthermore, sales of external storage were "particularly weak" at IBM, points out Brad Nisbet, program manager for IDC storage systems, further skewing the data. In EMC's own Fibre Channel (FC) array business, the trend is decidedly away from direct-attached arrays--more than 80% of all Clariions ship with a switch or into ... Access >>>

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What's Inside

    • DAS: The last bastions

      DAS holdouts

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      Two protocols—iFCP and FCIP—tap the scalability of the Internet Protocol and Ethernet networks, and can be used to overcome Fibre Channel networking limitations when connecting SAN islands. But iFCP and FCIP operate very differently; find out which one is right for your environment.

    • Is the time right for optical storage?

      Optical storage has languished on the periphery of enterprise storage, but new technologies with higher capacities and more competitive per-gigabyte prices are moving optical into the mainstream.

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      The competition among director-class products has never been more intense. If you're considering directors for the first time, or re-examining your fabric strategy, here's what you need to know.

    • New backup strategies

      In the final installment of his series on disk-based data protection, W. Curtis Preston describes how options such as snapshots, replication, continuous data protection and data reduction backup can improve the backup process.

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