Deactivating virtual devices and rolling backup

Details Deactivating virtual devices and rolling backup Deactivating virtual devices and rolling backup

2002-11-27

2008-03-04

Lewis, Cheryl (Department: 2167)

Data processing: database and file management or data structures

Database design

Data structure types

C707S793000

Reexamination Certificate

active

07340461

ABSTRACT:
Handling data includes providing a first storage area of a first type that contains sections of data, providing a second storage area of the first type that contains sections of data, providing a third storage area of a second type where the second type has, for each section thereof, a pointer to one of: a corresponding section of data of the first storage area and a corresponding section of data of the second storage area, causing the third storage area to be not available for accessing, and after causing the third storage area to not be available for accessing, providing data from the second storage area corresponding to pointers of the third storage area that point to sections of the second storage area.

REFERENCES:
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patent: 6636874 (2003-10-01), Douceur et al.
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patent: 7249130 (2007-07-01), Vishlitzky et al.
patent: 7266572 (2007-09-01), Vishlitzky et al.
U.S. Appl. No. 10/134,420, filed Apr. 29, 2002.

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