Patent ID: 6549983
Filing Date: 2003-04-15
Classification: G06F

Abstract:
A method of accessing target data in a computer, comprising the acts of:accessing the target data from a first auxiliary storage device if the target data is stored in a first information block stored in the first auxiliary storage device, or accessing the target data from a second auxiliary storage device if the target data is stored in a second information block stored in the second auxiliary storage device, wherein first information blocks each comprise a first block size, wherein second information blocks each comprise a second block size larger than the first block size, and wherein each second information block comprises a plurality of first information blocks; and fetching the target data from a lower level storage device if the target data is not stored in the first or second auxiliary storage devices, the target data being included in a specific first information block associated with a specific second information block stored in the lower level storage device; wherein only the specific first information block is fetched and stored in the first auxiliary storage device if at least a particular number of first information blocks associated with the specific second information block are stored in the first auxiliary storage device; and wherein the specific second information block is fetched and stored in the second auxiliary storage device if less than the particular number of first information blocks associated with the specific second information block are stored in the first auxiliary storage device.