Hashing storage images of a virtual machine
US9195494B2 · kind B2 · utility
3Cited by
2References
18Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Apr 7, 2014 |
| Grant date | Nov 24, 2015 |
| Priority date | — |
| Expiry date | Apr 7, 2034 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2009/45583
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Virtual machine images are transferred from a source storage location to a target storage location over a network. In one embodiment, a host at the source storage location computes signature values of a plurality of disk blocks that contain a plurality of virtual machine images. Each computed signature value corresponds to one of the disk blocks. A subset of the disk blocks, all of which have different signature values, is then transferred from the source storage location to the target storage location. Only one copy of duplicate disk blocks is transferred.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.