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Storage controller

  • US 20070192560A1
  • Filed: 03/24/2006
  • Published: 08/16/2007
  • Est. Priority Date: 02/10/2006
  • Status: Active Grant
First Claim
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1. A storage controller connected to a host system including a storage device for providing a storage area to said host system, and a controller for controlling the input and output of data between said storage area and said host system, comprising:

  • a logical volume accessible by said host system;

    a pool associated with said logical volume and including one or more physical storage areas configuring a storage area of said logical volume; and

    a memory for storing attribute information showing an attribute of a physical storage area included in said pool;

    wherein said controller is configured to add a new physical storage area to said pool based on said attribute information.

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