1
Thomas W Beglin, Jane R Bittihoffer, Harvey E Kamionka, Jerry W Pence: Managing data storage devices connected to a digital computer. International Business Machines Corporation, H F Somermeyer, September 13, 1988: US04771375 (108 worldwide citation)

A storage-management program, executable in one host or simultaneously in a plurality of hosts, manages concurrently executing migration, recall, and recycle (such as defragmentation) tasks. Accesses to data storage volumes (tape, disks, etc.) are managed in accordance with predetermined contention ...


2
Thomas W Beglin, Jane R Pence, Harvey E Kamionka, Jerry W Pence: Managing data storage devices connected to a digital computer. International Business Machines Corporation, H F Somermeyer, January 20, 1987: US04638424 (93 worldwide citation)

A storage-management program, executable in one host or simultaneously in a plurality of hosts, manages concurrently executing migration, recall, and recycle (such as defragmentation) tasks. Accesses to data storage volumes (tape, disks, etc.) are managed in accordance with predetermined contention ...