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CREATION OF VIRTUAL MACHINE PLACEHOLDERS IN A DATA STORAGE SYSTEM

  • US 20170199791A1
  • Filed: 03/28/2017
  • Published: 07/13/2017
  • Est. Priority Date: 01/14/2013
  • Status: Active Grant
First Claim
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1. A method of creating virtual machine placeholders in a data storage system comprising:

  • receiving data about one or more virtual machines existing on one or more primary storage devices from a virtual machine hypervisor, the one or more primary storage devices comprising computer hardware;

    migrating a first virtual machine from the one or more virtual machines to one or more secondary storage devices during one or more backups;

    creating on the one or more primary storage devices a virtual machine placeholder for the first virtual machine that has been migrated to the one or more secondary storage devices,the virtual machine placeholder comprises fewer assigned resources than the first virtual machine,the virtual machine placeholder is created at least in part during the one or more backups that migrated the first virtual machine from the one or more primary storage devices to one or more secondary storage devices,the virtual machine placeholder is recognized as the first virtual machine by one or more virtualization applications, andwherein the virtual machine placeholder comprises a reference to the location of first virtual machine in the one or more secondary storage devices; and

    using the reference in the virtual machine placeholder to restore the first virtual machine from the one or more secondary storage devices to the one or more primary storage devices.

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