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US 2011/0035358 A1Published application
Optimized copy of virtual machine storage files
AssigneeDell Software Inc.
InventorDilip Naik
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Abstract
A facility is described for optimizing the copying of virtual machine storage files. In various embodiments, the facility refrains from copying portions of the virtual machine storage file that do not contain any meaningful data for the purposes of the guest file system within the virtual machine storage file. In some embodiments, the facility refrains from copying portions of the file that are in use by the guest file system, but are of no practical value.
Claims26
A method performed by a computer system for performing an optimized copy of virtual machine storage files, comprising:
- identifying a file system;
- obtaining a file system cluster size and a number of clusters for the identified file system;
- identifying a location within a virtual machine storage file of a first cluster;
- and
- copying the virtual machine storage file from a beginning of the virtual machine storage file to the identified location to a destination file.
2 more elements
Dependencies are inferred from the claim text.