Access "QLogic Throws Curve Ball in Fibre Channel Plans"
This article is part of the Vol. 2 No. 4 June 2003 issue of Should you consolidate your direct-attached storage (DAS)?
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 and host bus adapters (HBAs), ... Access >>>
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