Multiple logical input/output subsystem facility

An input/output subsystem is configured as a plurality of input/output subsystem images, each of which appears to a program as an independent input/output subsystem. An input/output subsystem image is identified by an input/output subsystem image identifier, which is used by various programs to desi...

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Bibliographische Detailangaben
Hauptverfasser:	Brice, Jr, Frank W, Easton, Janet R, Gainey, Jr, Charles W, Glassen, Steven G, Glendening, Beth, Halma, Marten J, Kubala, Jeffrey P, Lehmann, Hans-Helge, Lu, Tan, Meritt, Allan S, Oakes, Kenneth J, Shapley, Charles E, Trotter, John S, Wyman, Leslie W, Yudenfriend, Harry M
Format:	Patent
Sprache:	eng
Online-Zugang:	Volltext bestellen
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Beschreibung
Zusammenfassung:	An input/output subsystem is configured as a plurality of input/output subsystem images, each of which appears to a program as an independent input/output subsystem. An input/output subsystem image is identified by an input/output subsystem image identifier, which is used by various programs to designate the particular input/output subsystem image for which an I/O operation is to be performed. An input/output subsystem image includes, for instance, one or more input/output paths. An input/output path of an input/output subsystem image is identified by an input/output path identifier, as well as a physical input/output path identifier.