Architecture for dynamic service processor exchange providing mu

Details Architecture for dynamic service processor exchange providing mu Architecture for dynamic service processor exchange providing mu

1996-03-25

1998-06-30

Swann, Tod R.

Electrical computers and digital processing systems: memory

Storage accessing and control

Hierarchical memories

39518202, 39518203, 39518209, 3952005, 39520068, 39580015, 39518221, 39518222, 395701, 711104, G06F 1114

Patent

active

057746427

ABSTRACT:
A computer system for dynamic service processor exchange comprising a first, active service processor connected by a network and a maintenance unit (CMU) to a central system (4) and to a second, backup service processor (2). Each service processor has, in addition to an operating system, a supervisor processor and at least one service broken down into two portions, namely a "body" portion comprising a service processor and a "presentation" portion comprising an interface with the operator allowing a display of the window type with a menu bar. Each service processor further has a maintenance station handler interface (10,20) for processing communications with other service processors by means of the maintenance unit (CMU). The supervisor processor manages the numbers in question and the services, starts the services, and has access to a system configuration table. The computer system permits dynamic service exchange between the active and the backup service processors without the use if system dependent service processors.

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"Asymmetric Multiprocessing System", IBM Technical Disclosure Bulletin, vol. 29. No. 4, Sep. 1986 (New York, US), p. 1614.
"Dual Service Processor Backup System", IBM Technical Disclosure Bulletin, vol. 29, No. 4, Sep 1986 (New York, US), p. 1631.
Van Wolverton, Running MS DOS, pp. 26-29.

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