04875155 is referenced by 68 patents and cites 34 patents.

Data is accessed by record identification in a peripheral sub-system having cache and back store to transfer the most recently updated version of one or more records stored in the subsystem where one version of a record may be in a back store and a modified version of the record may be in a cache storage, by a method and apparatus including table lookup means for indicating for each record of each track of each device in said back store whether record data stored in cache is modified with respect to a version of the same record stored in back store; and means responsive to the indicating means for transferring the modified or backing store version of a record in accordance with predetermined criteria.

Title
Peripheral subsystem having read/write cache with record access
Application Number
6/749897
Publication Number
4875155
Application Date
June 28, 1985
Publication Date
October 17, 1989
Inventor
Guy E Martin
Tucson
AZ, US
Peter L H Leung
Tucson
AZ, US
Vernon J Legvold
Tucson
AZ, US
James L Iskiyan
Tucson
AZ, US
Agent
H F Somermeyer
G E Clark
Assignee
International Business Machines Corporation
NY, US
IPC
G06F 12/08
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