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Vol. 2 No. 4 June 2003

QLogic Throws Curve Ball in Fibre Channel Plans

Until recently, Fibre Channel's (FC) future seemed clear, if distant, with 10Gb/s connectivity coming around 2004, up from 2Gb/s today. But then QLogic--arguably one of the most important providers of FC silicon--announced that it would also develop 4Gb/s components. Toe Cards Want to do iSCSI, but the CPU hit your servers take got you down? A TCP/IP offload engine, or TOE card, might be the answer. Following are a few TOE cards on the market, some of which also offload the iSCSI protocol. VENDOR PRODUCT FEATURES CDW.COM PRICE Adaptec ASA-7211 iSCSI card Single port 1 Gb Ethernet NIC with TCP/IP and iSCSI offload $627.26 (fiber optic) $579.36 (copper) Alacritech 100x1 Single Port Server Adapter Single port 10/100BASE-TX Fast Ethernet Network Interface Adapter (NIC) with TCP/IP offload $349.57 Intel PRO 1000 T IP Storage Adapter Single port 1Gb Ethernet TCP/IP and iSCSI NIC and accelerator $567.01 To clarify, 4Gb/s FC has always been on the roadmap for the back end, i.e., between controllers and disk drives. But for FC switches ...

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Features in this issue

  • Inverse multiplexing

    Inverse multiplexing

  • Copy basics

    by  David Braue

    Snapshot and replication are important tools in building a foolproof disaster recovery plan. This article helps you pick the optimal solution that fits within your budget and is best suited for your company's individual backup needs.

  • The case for network smarts

    Let's face it: SANs as they currently exist only deliver about half of what you might hope for in the way of efficiency and optimal utilization. The best bet to deliver the other 50% is network-based storage intelligence. You'll have to get past the magic-wand claims for this latest pancea from storage vendors, though. And not every incarnation of smart switches or appliances is going to be right for you.

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