Method and means for sharing I/O resources by a plurality of operating systems
Provides a method for increasing the connectivity of I/O resources to a multiplicity of operating systems (OSs) running in different resource partitions of a computer electronic complex (CEC) to obtain sharing of the I/O resources among the OSs of the CEC, including channels, subchannels (devices),...
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| creator | HALMA MARTEN J FREDERICKS KENNETH J HOUGH ROGER E JOHN SUZANNE M BRICE, JR. FRANK W ELLIOTT JOSEPH C GALBRAITH ROBERT E SACHS MARTIN W MERITT ALLAN S OAKES KENNETH J WYMAN LESLIE W STUCKI DAVID E RATHJEN, JR. JOHN C MALINOWSKI PAUL A |
| description | Provides a method for increasing the connectivity of I/O resources to a multiplicity of operating systems (OSs) running in different resource partitions of a computer electronic complex (CEC) to obtain sharing of the I/O resources among the OSs of the CEC, including channels, subchannels (devices), and control units (CUs). The invention provides image identifiers (IIDs) for assigning resources to the different OSs. Each shared I/O resource has a sharing set of control blocks (CBs) in which a respective CB is assigned to (and located by) a respective IID of one of the OSs. Each of the CBs in a sharing set provides a different image of the same I/O resource. The different CB images are independently set to different states by I/O operations for the different OSs, so that the OSs can independently share the same I/O resource. |
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The invention provides image identifiers (IIDs) for assigning resources to the different OSs. Each shared I/O resource has a sharing set of control blocks (CBs) in which a respective CB is assigned to (and located by) a respective IID of one of the OSs. Each of the CBs in a sharing set provides a different image of the same I/O resource. The different CB images are independently set to different states by I/O operations for the different OSs, so that the OSs can independently share the same I/O resource.</description><edition>6</edition><language>eng</language><subject>CALCULATING ; COMPUTING ; COUNTING ; ELECTRIC DIGITAL DATA PROCESSING ; PHYSICS</subject><creationdate>1995</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950509&DB=EPODOC&CC=US&NR=5414851A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19950509&DB=EPODOC&CC=US&NR=5414851A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HALMA; MARTEN J</creatorcontrib><creatorcontrib>FREDERICKS; KENNETH J</creatorcontrib><creatorcontrib>HOUGH; ROGER E</creatorcontrib><creatorcontrib>JOHN; SUZANNE M</creatorcontrib><creatorcontrib>BRICE, JR.; FRANK W</creatorcontrib><creatorcontrib>ELLIOTT; JOSEPH C</creatorcontrib><creatorcontrib>GALBRAITH; ROBERT E</creatorcontrib><creatorcontrib>SACHS; MARTIN W</creatorcontrib><creatorcontrib>MERITT; ALLAN S</creatorcontrib><creatorcontrib>OAKES; KENNETH J</creatorcontrib><creatorcontrib>WYMAN; LESLIE W</creatorcontrib><creatorcontrib>STUCKI; DAVID E</creatorcontrib><creatorcontrib>RATHJEN, JR.; JOHN C</creatorcontrib><creatorcontrib>MALINOWSKI; PAUL A</creatorcontrib><title>Method and means for sharing I/O resources by a plurality of operating systems</title><description>Provides a method for increasing the connectivity of I/O resources to a multiplicity of operating systems (OSs) running in different resource partitions of a computer electronic complex (CEC) to obtain sharing of the I/O resources among the OSs of the CEC, including channels, subchannels (devices), and control units (CUs). The invention provides image identifiers (IIDs) for assigning resources to the different OSs. Each shared I/O resource has a sharing set of control blocks (CBs) in which a respective CB is assigned to (and located by) a respective IID of one of the OSs. Each of the CBs in a sharing set provides a different image of the same I/O resource. 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The invention provides image identifiers (IIDs) for assigning resources to the different OSs. Each shared I/O resource has a sharing set of control blocks (CBs) in which a respective CB is assigned to (and located by) a respective IID of one of the OSs. Each of the CBs in a sharing set provides a different image of the same I/O resource. The different CB images are independently set to different states by I/O operations for the different OSs, so that the OSs can independently share the same I/O resource.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Method and means for sharing I/O resources by a plurality of operating systems |
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