Patent · US Expired

Restoring virtual devices

US7266572B2 · kind B2 · utility

3Cited by
15References
21Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 27, 2002
Grant dateSep 4, 2007
Priority date
Expiry dateNov 27, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S707/99954
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

Restoring data includes providing data in a first storage area that contains sections of data, providing data in a second storage area where the second type has, for each section of data thereof, at least one of: a pointer to a corresponding section of data of the first storage area and a pointer to corresponding section of data of a third storage area of the first type. In one embodiment, a sections of the first storage area are replaced with pointers to the third storage area. In other embodiments, sections of a fourth storage area of the first type are replaced with pointers to the third storage area and optionally with pointers to the first storage area. In another embodiment, data is copied from the second storage area to a third storage area of the second type.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.