Boots – shoes – and leggings
Patent
1990-09-18
1994-02-15
Shaw, Dale M.
Boots, shoes, and leggings
364DIG1, 3642287, 3642288, 36424294, 36424296, 364260, 3642601, 395600, H04L 1244, G06F 1300
Patent
active
052874532
ABSTRACT:
A cluster computer system includes a plurality of independently operated computer systems located in close proximity to each other. Each system includes a system bus, a memory, and a set of local peripheral devices which connect in common to the system bus. The computer systems are interconnected for transferring messages to each other through the channels of a high speed cluster controller which connect to the system buses. Each system further includes a cluster driver which transfers the messages between the memory of the computer system and the corresponding cluster controller channel when the system is configured to operate in a cluster mode of operation. User application programs issue monitor calls to access files contained on a peripheral device(s). The fast remote file access (FRFA) facility included in each system upon detecting that the peripheral device is not locally attached, packages the monitor call and information identifying the user application into a message. The message is transferred through the cluster driver and cluster controller to the FRFA of the computer system to which the peripheral device attaches. The monitor call is executed and the response is sent back through the cluster controller and delivered to the user application in a manner so that the peripheral device of the other computer systems appears to be locally attached and the monitor call appears to be locally executed.
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VAXclusters: A Closely-Coupled Distributed System by N. P. Kronenberg, H. M. Levy & W. D. Strecker.
Barry Lance L.
Bull HN Information Systems Inc.
Driscoll Faith F.
Shaw Dale M.
Solakian John S.
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