> -----Original Message-----
> From: IBM Mainframe Discussion List On Behalf Of Paul Gilmartin
>
> [ snip ]
>
> Well, if IBM's new DASD architecture were manufactured in the same
> manner as previous DASD devices, you would have 278,921,216 tracks
> on each surface. What diameter do you think such platters would be?
> How long would it take the access arm to traverse the radius?
How much power would it take to spin them fast enough to be usable? :-)
-jc-
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