Sharing files among different virtual machine images

Details Sharing files among different virtual machine images Sharing files among different virtual machine images

2011-08-16

2011-08-16

To, Baoquoc (Department: 2162)

Data processing: database and file management or data structures

File or database maintenance

Database backup

C707S752000, C707S753000, C707S754000

Reexamination Certificate

active

08001086

ABSTRACT:
A system for sharing files among different virtual machine images includes a processor, a memory, and an input/output subsystem. The processor is configured for: a) creating a first virtual image; b) determining whether there exists a second virtual image similar to the first virtual image; c) comparing the files of the first and second virtual images to determine a set of common files; d) creating a common file collection; f) creating a second version of the first virtual image with files in the first virtual image that are not in the common file collection; g) creating a second version of the second virtual image with files in the second virtual image that are not in the common file collection; h) receiving a request for modification of the file within one of the virtual images; and i) determining whether the file to be modified is in the set of common files.

REFERENCES:
patent: 2004/0034849 (2004-02-01), Cohen et al.
patent: WO01/57649 (2001-08-01), None

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