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Storage system

  • US 6,446,162 B1
  • Filed: 10/28/1999
  • Issued: 09/03/2002
  • Est. Priority Date: 10/30/1998
  • Status: Expired due to Term
First Claim
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1. Storage system (100) comprising:

  • a plurality of storage units (110-120), each one of which comprising a plurality of storage zones (121-126) having mutually different expected data retrieval times, at least one data unit being stored in said plurality of storage units (110-120), said data unit comprising N blocks, wherein N≧

    2, the blocks comprising redundant information such that any one of a plurality of selections comprising N−

    K of the N blocks suffices for retrieving the data unit, wherein K≧

    1; and

    a reader for retrieving said data unit from the plurality of storage units (110-120), the reader being arranged for determining a particular one of said plurality of selections on the basis of a selection procedure, the selection procedure taking into account said expected data retrieval times.

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