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Method to protect shared physical sequential DASD data sets from data integrity problems by preventing concurrent output access within a GRSplex.

IP.com Disclosure Number: IPCOM000021002D
Original Publication Date: 2003-Dec-16
Included in the Prior Art Database: 2003-Dec-16

Publishing Venue

IBM

Abstract

A method to provide multi-tiered levels of support for concurrent output access to a shared Physical Sequential DASD dataset based on the customer's data integrity requirements. The customer has the option of requesting no additional data integrity protection over what is currently available, requesting a warning message to be issued in the case of a concurrent output access violation, requesting to fail the attempt to concurrently access the shared dataset for output, or to selectively bypass this protection based on either the dataset name or by an authorized application requesting this protection be bypassed.