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Process for reconfiguring an information processing system upon detection of a component failure

  • US 6,789,214 B1
  • Filed: 05/31/2000
  • Issued: 09/07/2004
  • Est. Priority Date: 06/10/1999
  • Status: Active Grant
First Claim
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1. A process for reconfiguring an information processing system comprising a plurality of components forming hardware and software resources, and running under the control of a given operating system, in which at least one user application is being run comprising:

  • detecting a pre-established failure risk in at least one of said components in a preliminary step;

    after said detection of a failure risk, a first step of activating at least one specific program for executing a specific job, under the control of said operating system, in a non-preemptive mode, in order to place said information processing system in a predetermined coherent frozen state, in which each user application currently running is halted in an orderly fashion and no other application is allowed to be run;

    executing in a second step said specific job for reconfiguring said information processing system by performing operations for reallocating and/or de-allocating all or some of said components of the system, in order to prepare for isolation of each of said components for which said pre-established failure risk has been detected;

    isolating each of said components for which said failure risk has been detected in a third step, so that said isolated component is no longer recognized by said information processing system and no longer constitutes one of said resources; and

    releasing said information processing system in a final step, to allow operation of said information processing system and the running of at least one of said user applications.

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