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15 Feb

hard drive structure

Posted February 15, 2011 by prettyitgeek in OS,Linux.

  • sector:minimum unit of read/write. containing 3D address,data,CRC.
  • block:set of sectors
  • inode:inode table,record file property and blocks file located in
  • track:from outside 0,1,2…
  • cylinder:set of tracks with same No.
  • disk No.:double sides,upside down:0,1;2,3;..

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