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RAID over IP was a joke. I remember reading this story about someone flooding routers to turn them into a broadcasts to view the flow of packets over the network. I imagined the same thing, then said, hey with HDDs and broadcast, you could simulate RAID. I made a long stretch on that one.

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That's probably not too far off. If you wanted to do mirror a write, you could imagine broadcasting that same packet to a set of devices. The devices would have to figure out whether or not they needed to store the packet. Otherwise, you'd be sending N packets to the same switch for N-way mirroring. In a typical hardware RAID, the sector write is sent to the RAID controller once.

It's probably not too long of a stretch.

Writing with multicast and using tcp only for the control plane? Interesting concept.

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