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IN SERVICE UPGRADES FOR A HYPERVISOR OR HARDWARE MANAGER HOSTING VIRTUAL TRAFFIC MANAGERS

  • US 20130219030A1
  • Filed: 11/07/2012
  • Published: 08/22/2013
  • Est. Priority Date: 02/21/2012
  • Status: Active Grant
First Claim
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1. A method for upgrading at least one hypervisor in a cluster of nodes with a network device that is operative to perform actions, comprising:

  • determining the at least one hypervisor for upgrading, wherein the at least one hypervisor corresponds to at least one virtual traffic manager for a virtual cluster of virtual traffic managers that span at least two nodes;

    deactivating the operation of the at least one determined hypervisor and the at least one corresponding virtual traffic manager while the virtual cluster remains operative;

    upgrading the at least one deactivated hypervisor; and

    re-activating the at least one upgraded hypervisor and each corresponding virtual traffic manager for the virtual cluster.

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