Messages in this thread | | | Date | Tue, 23 Mar 1999 09:46:14 +1030 (CST) | From | Alan Modra <> | Subject | Re: [OFFTOPIC] Re: disk head scheduling |
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On Mon, 22 Mar 1999, Richard B. Johnson wrote:
> > http://www.fujitsu.co.jp/hypertext/hdd/drive/overseas/mpd3xxxah/mpd3xxxah.html > > > > 12555 cylinders, 13250 tracks per inch, 269951 bits per inch > > > > Hot damn! You got me. Do you think it's real or virtual. I think they > include the heads, in other words tracks = cylinders. If not, they have > a real invention to keep a head centered over a track that is less than > 1/12555 inch in width (0.00007965 in) think about it.
It's real. For an interesting look at current disk head technology, start from http://ssdweb01.storage.ibm.com/oem/mrheads/mainmrhead.htm
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