- 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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