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NON-VOLATILE MEMORY DATA STORAGE SYSTEM WITH RELIABILITY MANAGEMENT

  • US 20100017650A1
  • Filed: 05/25/2009
  • Published: 01/21/2010
  • Est. Priority Date: 07/19/2008
  • Status: Abandoned Application
First Claim
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1. A non-volatile memory data storage system with two-stage controller, comprising:

  • a host interface for communicating with an external host;

    a main storage includinga first plurality of flash memory devices, wherein each memory device includes a second plurality of memory blocks; and

    a third plurality of first stage controllers coupled to the first plurality of flash memory devices; and

    a second stage controller coupled to the host interface and the third plurality of first stage controller through an internal interface, the second stage controller being configured to perform RAID operation for data recovery according to at least one parity.

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