[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: Canadian readers



> Because in order to support higher densities, they have a magnetic coating
> with a higher coercivity than DD disks.  An Apple DD drive cannot write these
> disks "hard" enough to saturate the media, and the result is that data
degrades
> over time.  While HD disks may appear to work initially, they prove unreliable
> for longer-term storage.  Many report data loss within days.  Others, weeks
> or months.  Your mileage will depend on exactly what the coating formulation
> is for your particular HD disks, and what kind of tolerances your disk drive
> has on write current and read signals.
> 
> DSDD disks are not too hard to come by, and should always be used with
> DD drives (except, perhaps for short-term data transfer in an emercency).
> -michael
> 

Oddly enough, about an hour after remarking that I'd heard HD disks
were unreliable, I found three that I had put stuff on  20 hours earlier
that wouldn't  do a darn thing. %(*#$%^&*(%$%%!!!! :)

Oh well.

Norm

-- 


ndeveau at klis dot com