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Data transformation during recycling

  • US 9,400,609 B1
  • Filed: 11/04/2015
  • Issued: 07/26/2016
  • Est. Priority Date: 11/04/2015
  • Status: Active Grant
First Claim
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1. A storage system comprising:

  • one or more electronic processors configured to;

    determine that transformations of data should be attempted;

    determine a data block is in use by at least one user of the storage system;

    determine a transformation of the data block should be done based upon the determination that the data block is in use by at least one user of the storage system;

    determine a transformation to be done to the data block based upon the determination that the transformation of the data block should be done;

    transform the data block based upon the determined transformation;

    write the transformed data block to the storage system; and

    recycle, as part of a recycle operation, a portion of storage space to free up space available for data writing, wherein the transformation is integrated into the recycle operation, wherein the transformation requires no additional input/output requests from the recycle operation, and wherein the write the transformed data block to the storage system is part of the recycle operation.

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