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Reserve/Release Record-Level Lock For DASD Shared By Multiple Central Processing Units Disclosure Number: IPCOM000068179D
Original Publication Date: 1979-Nov-01
Included in the Prior Art Database: 2005-Feb-20

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Related People

Chandra, AN Katcher, AM Smith, DN [+details]


A RESERVE/RELEASE procedure implemented in channel software enables any one of several central processing units (CPUs) sharing a direct-access storage device (DASD) to lock and unlock individual records stored in that device without denying other CPUs access to other records stored therein, regardless of their locations.