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Systems, methods and apparatus for a virtual machine cache

  • US 9,612,966 B2
  • Filed: 07/03/2012
  • Issued: 04/04/2017
  • Est. Priority Date: 07/03/2012
  • Status: Active Grant
First Claim
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1. An apparatus, comprising:

  • a virtual machine cache configured to cache data, of one or more virtual machines operating on a host computing device, in a cache storage device of the host computing device, wherein the cache data is admitted into the cache storage device in response to storage requests of the respective virtual machines;

    a cache retention module configured to retain cache data of a virtual machine of the one or more virtual machines in response to the virtual machine being transferred from the host computing device to a remote host computing device, the retained cache data corresponding to data of a primary storage system; and

    a cache transfer module configured to provide retained cache data of the transferred virtual machine to the remote host computing device in response to a request of the transferred virtual machine operating on the remote host computing device.

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