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Applying firmware updates in a system with zero downtime by selectively offlining and onlining hardware using a scale-up hypervisor layer

  • US 9,851,996 B2
  • Filed: 03/24/2015
  • Issued: 12/26/2017
  • Est. Priority Date: 03/24/2015
  • Status: Active Grant
First Claim
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1. A method comprising:

  • running a scale-up hypervisor on a server complex including at least one server;

    running a single operating system and at least one application on top of the scale-up hypervisor;

    identifying a firmware update available for a first hardware component within the server complex;

    the scale-up hypervisor removing all workload from the first hardware component; and

    applying the identified firmware update to the first hardware component while the first hardware component is idle and the hypervisor continues running the single operating system and the at least one application.

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