• A fabric is just the hardware that glues everything together
• NICS, cabling, fibre switches, storage devices
• A brocade, for example, is a brand of fibre switch
• dual-fabric means two separate networks
• The SAN fabric is used ONLY for SAN, not for other traffic
• SAN NICs are called HBAs: Host Bus Adapters
• QLogic, Emulex, JNI all make HBAs

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