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Providing access information to a storage controller to determine a storage tier for storing data

  • US 10,140,050 B2
  • Filed: 07/15/2016
  • Issued: 11/27/2018
  • Est. Priority Date: 09/24/2014
  • Status: Active Grant
First Claim
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1. A computer program product for managing data at a client system and in communication with a storage controller managing data access to a plurality of storage tiers, the computer program product comprising a computer readable storage medium having computer readable program code embodied therein that executes in the client system to perform operations, the operations comprising:

  • maintaining access information at the client system for each data record in a data store at the client system, wherein the access information indicates a level of access to each data record in the data store;

    receiving a write request directed to a data record in the data store;

    generating a command identifying the data record to cause the data record to be written by the storage controller and including the access information for the data record and an old address at which the data was previously written; and

    transmitting the command to the storage controller, wherein the storage controller uses the access information to determine one of the plurality of storage tiers on which to store the data record that is different from the storage tier including the old address included in the command.

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