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Systems and methods for distributed atomic storage operations

  • US 10,019,320 B2
  • Filed: 06/06/2014
  • Issued: 07/10/2018
  • Est. Priority Date: 10/18/2013
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • assigning two or more storage controllers of a storage system to an atomic storage request, each of the two or more storage controllers assigned to implement respective sub-requests of the atomic storage request based on associations between addresses of the atomic storage request and logical address spaces managed by respective storage controllers of the storage system;

    generating completion metadata for the atomic storage request, the completion metadata comprising one or more of;

    a number of storage controllers assigned to the atomic storage request and an identifier of each of the assigned storage controllers; and

    configuring each storage controller of the assigned storage controllers to store the completion metadata generated for the atomic storage request in response to completing implementation of the respective sub-requests assigned to the storage controller.

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