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SubjectRe: File system compression, not at the block layer


Richard B. Johnson wrote:

>
> Actually not. You need a FIFO to cache your bits into buffers of bytes
> anyway. Depending upon the length of the FIFO, you can "rubber-band" a
> lot of rotational latency. When you are dealing with a lot of drives,
> you are never going to have all the write currents turn on at the same
> time anyway because they are (very) soft-sectored, i.e., block
> replacement, etc.
>
> Your argument was used to shout down the idea. Actually, I think
> it was lost in the NIH syndrome anyway.
>


In a drive with multiple platters and therefore multiple heads, you
could read/write from all heads simultaneously. Or is that how they
already do it?


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