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Processing label 1 accessibility code z/OS DFSMS Using Magnetic Tapes SC23-6858-00 |
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For tapes with Version 3 or Version 4 labels, the accessibility field in the HDR1 label is also checked if the volume is not RACF protected. If it contains a valid Version 3 or Version 4 character, the file access exit is entered. For more details about accessibility, see Protecting data. |
Copyright IBM Corporation 1990, 2014
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