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Proxy Backup of Virtual Disk Image Files on NAS Devices

  • US 20110047340A1
  • Filed: 08/21/2009
  • Published: 02/24/2011
  • Est. Priority Date: 08/21/2009
  • Status: Active Grant
First Claim
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1. A computer-accessible storage medium storing program instructions executable to:

  • perform a backup of a virtual machine executing on a virtualization server computer by;

    requesting a snapshot of a virtual disk image file of the virtual machine to be created on a network-attached storage (NAS) device coupled to the virtualization server computer, wherein the virtual disk image file stores a plurality of files used by the virtual machine;

    receiving access information useable to access the snapshot on the NAS device; and

    using the snapshot to backup the virtual disk image file from the NAS device to a backup storage device without transferring the virtual disk image file through the virtualization server computer.

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