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SubjectRe: File system compression, not at the block layer
Date
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Timothy Miller <miller@techsource.com> said:

[...]

> 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?

No. Current disks have bad blocks (way too small on disk to be able to
ensure 100% OK), and they are remapped by the drive firmware to spare
cilinders. To have the exact same blocks broken on each surface would be a
real lottery.
--
Dr. Horst H. von Brand User #22616 counter.li.org
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