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MANAGING OPPORTUNISTIC LOCKS IN A DISTRIBUTED FILESYSTEM

  • US 20150356110A1
  • Filed: 06/06/2014
  • Published: 12/10/2015
  • Est. Priority Date: 06/06/2014
  • Status: Active Grant
First Claim
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1. A computer-implemented method for managing opportunistic locks for a distributed filesystem, the method comprising:

  • collectively managing the data of the distributed filesystem using two or more cloud controllers, wherein collectively managing the data comprises storing the data for the distributed filesystem in one or more cloud storage systems, wherein the cloud controllers cache and ensure data consistency for data stored in the cloud storage systems;

    receiving at a first cloud controller a request from a first client to access a file in the distributed filesystem, wherein the first client requests an opportunistic lock for the file from the first cloud controller; and

    if no other outstanding client accesses on the other cloud controllers of the distributed filesystem preclude the requested opportunistic lock, granting the first client the opportunistic lock for the file.

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