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Log-structure array

  • US 20020118582A1
  • Filed: 02/22/2002
  • Published: 08/29/2002
  • Est. Priority Date: 02/23/2001
  • Status: Active Grant
First Claim
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1. A method of adding an information storage device to a plurality of information storage devices in an information processing system in which a processor is connected for communication with the information storage devices by means of a log structured array (LSA) controller in which the information is stored as a plurality of stripes extending across the devices of the array, the LSA controller further defining a directory, the method comprising connecting the additional information storage device to the LSA controller and logically appending an additional strip provided to each existing stripe by the additional storage device to the end of each stripe in the directory.

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