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Fault-tolerant distributed information handling systems and methods

  • US 9,916,200 B2
  • Filed: 08/12/2016
  • Issued: 03/13/2018
  • Est. Priority Date: 08/12/2016
  • Status: Active Grant
First Claim
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1. A method in an information handling system (IHS) comprising:

  • (1) N hosts, wherein N is a positive integer, and wherein each of the N hosts is configured to store at least one fragment of data, (2) an N+1 host configured to store at least a first code derived from at least one fragment of data stored by each of a subset of the N hosts, (3) an N+2 host configured to store at least a second code derived from at least one fragment of data stored by each of the subset of the N hosts, the method comprising;

    in response to receiving a request by a first agent corresponding to any of the N hosts regarding a first fragment of data stored by a second host from among the at least the subset of the N hosts;

    the first agent transmitting via a multicast operation an updated first fragment of data to the second host, the N+1 host, and the N+2 host;

    a second agent corresponding to the second host transmitting via a multicast operation the first fragment of data to the N+1 host and N+2 host;

    an N+1 agent corresponding to the N+1 host generating a third code derived from at least the first code, the first fragment of data, and the updated first fragment of data; and

    an N+2 agent corresponding to the N+2 host generating a fourth code derived from at least the second code, the first fragment of data, and the updated first fragment of data.

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