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Storage control system with erase block mechanism and method of operation thereof

  • US 9,239,781 B2
  • Filed: 10/10/2012
  • Issued: 01/19/2016
  • Est. Priority Date: 02/07/2012
  • Status: Active Grant
First Claim
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1. A method of operation of a storage system comprising a plurality of memory devices partitioned into a plurality of memory groups, the method comprising:

  • selecting a super block corresponding to a super device;

    wherein the super block comprises a plurality of blocks from a first subset of the plurality of memory devices, the first subset including at least one memory device from each of two or more of the memory groups; and

    wherein the super device comprises a plurality of super blocks including the super block;

    performing an operation on the super block; and

    updating metadata corresponding to the super block;

    wherein the metadata is stored in one or more blocks within the super block, the one or more blocks designated for storing non-host information; and

    wherein the metadata includes a program-erase count indicative of the number of times the super block has been programmed and erased.

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