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Method and system for in-place updating content stored in a storage device

  • US 9,043,680 B2
  • Filed: 01/13/2008
  • Issued: 05/26/2015
  • Est. Priority Date: 01/11/2007
  • Status: Active Grant
First Claim
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1. A method for reliably in-place updating original content of an original version stored in storage blocks of a non-volatile storage to yield updated content of an updated version, according to an update sequence for updating content in said blocks, wherein the non-volatile storage does not store the updated version in addition to the original version, the method comprising:

  • obtaining an error recovery result indicative of a result achievable by applying a first error recovery function to data which is used in in-place updating the original content, wherein a part of said data is recoverable by applying a second error recovery function to (i) said error recovery result and (ii) another part of said data;

    after obtaining the error recovery result, in-place updating the original content by writing the updated content to the non-volatile storage in place of the original content,wherein the data includes a single version of content.

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