Patent ID: 6446162
Filing Date: 2002-09-03
Classification: G06F,H04N

Abstract:
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&gE;2, the blocks comprising redundant information such that any one of a plurality of selections comprising Nâˆ’K of the N blocks suffices for retrieving the data unit, wherein K&gE;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.