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METHOD TO ALLOW STORAGE CACHE ACCELERATION WHEN THE SLOW TIER IS ON INDEPENDENT CONTROLLER

  • US 20130036265A1
  • Filed: 08/03/2011
  • Published: 02/07/2013
  • Est. Priority Date: 08/03/2011
  • Status: Active Grant
First Claim
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1. A method for providing storage acceleration in a data storage system via a first storage controller of the data storage system, said method comprising:

  • opening an Application Programming Interface (API) via the first storage controller, the first storage controller being connected to a first storage tier, the first storage tier including a solid-state drive (SSD);

    receiving a query at the first storage controller, the query being provided to the first storage controller via a host mapper of the system, the query being generated based on a input/output (I/O) command issued by a host of the system, the query requesting read data; and

    when the requested read data is at least one of;

    located in a cache of the first storage controller, or located on the SSD connected to the first storage controller, retrieving the requested read data and providing the requested read data to the host mapper in response to the query.

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