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Storage system using flash memories, wear-leveling method for the same system and wear-leveling program for the same system

  • US 20070233931A1
  • Filed: 05/26/2006
  • Published: 10/04/2007
  • Est. Priority Date: 03/29/2006
  • Status: Active Grant
First Claim
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1. A storage system using flash memories comprising a storage controller and plural flash memory modules as storage media, each flash memory module comprising at least one flash memory chip, and a memory controller for leveling erase counts of blocks belonging to the flash memory chip, the storage controller:

  • combining the plural flash memory modules into a first logical group, translating a first address used for accessing the flash memory modules belonging to the first logical group to a second address used for handling the first address in the storage controller, and combining the plural first logical groups into a second logical group.

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