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Migrating data from legacy storage systems to object storage systems

  • US 9,208,181 B2
  • Filed: 10/24/2014
  • Issued: 12/08/2015
  • Est. Priority Date: 12/06/2012
  • Status: Active Grant
First Claim
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1. A method for migrating a dataset from a file storage system to an object storage system by converting a file to an object, comprising:

  • identifying file data associated with a file of a file system of a file storage system;

    converting the file into an object using the file data;

    responsive to determining that a prior object version of the object does not exist within at least one data constituent volume of an object storage system;

    storing the object within a first data constituent volume of the object storage system, the storing comprising;

    identifying a service level objective for the file; and

    selecting the first data constituent volume for storage of the object based upon the first data constituent volume comprising one or more characteristics that correspond to the service level objective; and

    creating an entry within a namespace volume associated with the object storage system, the entry comprising a redirector mapping a front-end data path for the object to a back-end data path, the back-end data path specifying a path to the object within the first data constituent volume; and

    responsive to determining that the prior object version of the object does exist within a second data constituent volume of the object storage system;

    receiving a data difference between the prior object version and the object;

    creating a new object within the second data constituent volume based upon the prior object version and the data difference; and

    creating a new redirector, within the namespace volume, for the new object.

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