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Semi-static distribution technique

  • US 20050114594A1
  • Filed: 11/24/2003
  • Published: 05/26/2005
  • Est. Priority Date: 11/24/2003
  • Status: Active Grant
First Claim
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1. A method for distributing parity across a disk array, the method comprising the steps of:

  • adding a new disk to pre-existing disks of the array;

    dividing each disk into blocks, the blocks being organized into stripes such that each stripe contains one block from each disk; and

    distributing parity among blocks of the new and pre-existing disks without recalculation or moving of any blocks containing data.

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