1
Robert Baird, Gerald P Bozman, Alexander S Lett, James J Myers, William H Tetzlaff: Multiprocessor system includes operating system for notifying only those cache managers who are holders of shared locks on a designated page by global lock manager. International Business Machines Corporation, R Bruce Brodie, July 6, 1993: US05226143 (123 worldwide citation)

A conditional broadcast or notification facility of a global lock manager is utilized to both serialize access to pages stored in local caches of counterpart processors in a distributed system and to ensure consistency among pages common to the caches. Exclusive use locks are obtained in advance of ...


2
Robert Baird, George Eisenberger, Alexander S Lett, James J Myers, William H Tetzlaff, Jay G Unger: Concurrency management using version identification of shared data as a supplement to use of locks. International Business Machines Corporation, Douglas R Millett, April 25, 1995: US05410697 (116 worldwide citation)

A method for managing concurrency using a serializing token as a supplement to locks for accessing the same page by different processes and ensuring coherence between data caches and a shared access backing store supporting the processes defined onto multiple processors. A shared lock and a new toke ...


3
Robert Baird, Robert R Berbec, Gerald P Bozman, Alexander S Lett, James J Myers, William H Tetzlaff, Jay H Unger: Method for dynamically expanding and rapidly accessing file directories. International Business Machines Corporation, R Bruce Brodie, June 8, 1993: US05218696 (64 worldwide citation)

A computer-implemented method for the name-oriented accessing of files having at least zero records, any access path to files and records through an external store coupling the computer being defined by a pair of related directories. A first directory of record entries is sorted on a two-part token. ...


4
Robert Baird, Gerald P Bozman, George Eisenberger, Albert Kamerman, Alexander S Lett, John J McAssey, James J Myers, William H Tetzlaff, Pong sheng Wang: Highly available fault tolerant relocation of storage with atomicity. International Business Machines, R Bruce Brodie, April 2, 1996: US05504857 (44 worldwide citation)

A computer implemented method for robustly copying pages to system managed storage in order to maintain data in a consistent state and in order to provide continuous access availability of the pages to executing applications. The method achieves data consistency by atomically shadow copying applicat ...


5
Gerald P Bozman, George Eisenberger, Alexander S Lett, James J Myers, William H Tetzlaff, Jay H Unger: Method for managing a data cache using virtual external storage addresses as arguments. International Business Machines Corporation, R Bruce Brodie, February 11, 1992: US05088026 (27 worldwide citation)

A method to manage the access of data or pages mapped into a very large virtual external address space through a cache without disturbing the logical view of the data and without having to assign physical or real backing store to said logical view. A data cache is used in which pages are indexed acc ...