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SYSTEM AND METHOD FOR INLINE ERASURE CODING FOR A DISTRIBUTED LOG STRUCTURED STORAGE SYSTEM

  • US 20200012564A1
  • Filed: 07/09/2018
  • Published: 01/09/2020
  • Est. Priority Date: 07/09/2018
  • Status: Active Grant
First Claim
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1. A method comprising:

  • receiving a write request for first data from a file system;

    selecting a physical sector on a selected storage device in an array of storage devices on which to store the first data;

    assigning a key to the physical sector;

    storing the key and an indication of the physical sector in a key-to-physical medium map;

    erasure coding the data, including generating parity data associated with the first data;

    writing the first data and the parity data as a data stripe to each storage device in the array of storage devices; and

    in response to receiving the write request, sending the key to the file system.

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