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Systems and methods of storing data

  • US 8,880,977 B2
  • Filed: 12/19/2011
  • Issued: 11/04/2014
  • Est. Priority Date: 07/22/2011
  • Status: Active Grant
First Claim
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1. A method of writing data, the method comprising:

  • in a data storage device with multiple physical pages including a first physical page and a second physical page, performing;

    receiving a data page to be stored in the data storage device;

    initiating an encode operation to encode the data page, wherein the encode operation generates first encoded data;

    storing a first portion of the first encoded data to the first physical page;

    initiating storage of a second portion of the first encoded data to the second physical page, wherein the first portion of the first encoded data includes sufficient redundancy such that the data page can be recovered by using the first portion of the first encoded data without using the second portion of the first encoded data; and

    initiating a decode operation to recover the data page, wherein the decode operation uses a representation of the first portion of the first encoded data that is read from the first physical page without using any data from the second physical page.

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