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Disk drive device and a method for controlling the same

  • US 6,289,416 B1
  • Filed: 08/26/1998
  • Issued: 09/11/2001
  • Est. Priority Date: 08/26/1997
  • Status: Expired due to Fees
First Claim
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1. A method for controlling a disk drive device containing a rotating data recording disk and a cache memory which includes K queue entries (K is an integer) for storing data sent from a host processor comprising:

  • (a) detecting that N queue entries in said cache memory store said data (wherein N is equal to or smaller than K, and N is an integer), (b) successively writing said data stored in said N queue entries into said rotating data recording disk, (c) detecting that an error rate at said writing of said data exceeds a predetermined level, and (d) decreasing said K queue entries by a predetermined number X, wherein X is equal to or less than K−

    N, and X is an integer.

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