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Multiple sup swap mechanism

  • US 4,894,828 A
  • Filed: 12/22/1987
  • Issued: 01/16/1990
  • Est. Priority Date: 12/22/1987
  • Status: Expired due to Term
First Claim
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1. In a data processing system having at least one main processor performing system tasks and a plurality of service processors, including a first service processor performing primary service functions and a second service processor performing secondary service functions, a method for providing service facilities from said service processors, comprising the steps of:

  • using a main processor to detect a failure indication in said first service processor; and

    upon detection of a failure indication, transferring said primary service functions from said first service processor to said second service processor.

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