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METHOD TO EFFICIENTLY LOCATE META-DATA STRUCTURES ON A FLASH-BASED STORAGE DEVICE

  • US 20110131231A1
  • Filed: 11/30/2009
  • Published: 06/02/2011
  • Est. Priority Date: 11/30/2009
  • Status: Active Grant
First Claim
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1. A method for facilitating fast reconstruction of metadata structures on a memory storage device, comprising:

  • writing a plurality of checkpoints holding a root of metadata structures in an increasing order of timestamps to a plurality of blocks respectively on the memory storage device utilizing a memory controller, each checkpoint is associated with a timestamp, wherein the last-written checkpoint contains a root to the latest metadata information from where metadata structures are reconstructed.

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