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> Tell me, what does "suspend" do, and what does "freeze" (snapshot) do? > > And name *one* thing that have in common. Both of them have to ensure you can make a consistent snapshot. Doing that means you've got to be able to define a single "point" at which the snapshot is made and is internally self-consistent. That in both cases tends to mean you've got to ensure nothing occurs which pees on the image while you are making that snapshot (such as outstanding O_DIRECT I/O to user pages). Alan - To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/ | ||||||||||
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