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Vol. 4 No. 4 June 2005

Midrange arrays get a makeover

What you will learn from this tip: Two fixtures of the midrange modular array scene have received substantial makeovers, and more are on the way. Last month, IBM announced a successor to the DS4500 (formerly FAStT900) -- the new DS4800. Based on an OEM version of Engenio's 6998 controller, the DS4800's newest asset is its 4Gb/sec Fibre Channel (FC) host interface which, according to Engenio, delivers 550,000 IOPS from cache vs. 148,000 IOPS for the previous-generation 5884. Furthermore, the 550,000 IOPS are roughly twice as much as EMC quotes for its Clariion CX700. The DS4800 is scheduled to ship next month. Related information Special Report: Midrange arrays   Profiles: Midrange arrays What's ahead for midrange arrays Monolithic vs. midrange Based on those performance numbers, it's no surprise that IBM is recommending the DS4800 for performance-intensive environments -- at least, for now. Another Engenio OEM for this product, Silicon Graphics Inc. (SGI), sells the array as the SGI InfiniteStorage TP9700, and has placed it in ...

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Features in this issue

  • HIPAA spurs interest in replication

    HIPAA driving replication interest

  • iFCP vs. FCIP

    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.

  • E-mail retention basics

  • 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.

  • EMC expelled over maintenance fees

    by  Alex Barrett

    A school district in Dallas chooses between EMC, IBM and Xiotech midrange arrays and discovers a huge difference in maintenance fees between the vendors.

  • Directors take on more tasks

    by  Phil Goodwin

    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.

  • Survey Says: Mixed-disk tiers not for everyone

  • 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.

  • Storage spending report

    Storage magazine's exclusive semiannual Purchasing Intentions Survey shows budgets slowly climbing, a move toward tiering and an increased focus on using disk for backup.

Columns in this issue