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High capacity disk storage system having unusually high fault tolerance level and bandpass

  • US 4,722,085 A
  • Filed: 02/03/1986
  • Issued: 01/26/1988
  • Est. Priority Date: 02/03/1986
  • Status: Expired due to Term
First Claim
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1. A high capacity disk storage system comprising:

  • a relatively large plurality of independently operable disk subsystems, each disk subsystem comprising disk means containing stored data, wherein data is stored on the disk means of said disk subsystems in the form of data words, each data word comprising a plurality of data digits along with a plurality of associated error check digits, each disk means storing one digit from each data word;

    means coupled to said disk subsystems for reading a data word from the disk means thereof and for producing data word electrical signals corresponding thereto; and

    error circuit means to which said data word electrical signals are applied, said error circuit means being operable to produce electrical signals corresponding to the data digits of a data word read from said disk means, in a manner such that an error in a data digit will be detected and corrected by said error circuit means using the associated error check digits of the data word.

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