Don Quixote de la Mancha wrote:
> On Tue, Mar 2, 2010 at 10:17 PM, Tony Nelson
> <tonynelson@xxxxxxxxxxxxxxxxx> wrote:
>> Palimpsest is worse than that. It claims a disk that has any
>> *reallocated* sectors is bad.
>
> That's just wrong.
>
> The most one could claim is that a drive with no remapped sectors was
> in some way better than one with, but disk drives have supported
> sector remapping since the beginning of time.
No. The SEAGATE ST-138 for example did not. In fact, I don't believe
any of the stepper motor technology drives did. Certainly, the very
very old wichester technology drives (the size of small clothes washers)
I used to use did not.
> The very first hard drive I ever owned was a 135 MB (MegaBytes, not
> GigaBytes!) full-height 5 1/4" Fujitsu SCSI-1 drive that I put in a
> "shoebox" case.
The first hard discs I used were 5MB and were the size of a small
clothes washer, like three and a little feet high, and two feet
square, and weighed a couple of hundred pounds (a hundred or so
kilograms), and were on casters. When head motion was vigorous,
they would "walk" around the computer room, and we'd comment
on them being in "rinse cycle". They also made the terminals
nearby (like within 5 feet or so [2 meters]) displays jump
around on the screen due to the strong pulsing magnetic fields
used to position the heads.
I don't go back as far as drums, or using raw discs with no file
system, though.
Mike
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