Simultaneous activation of virtual devices

Details Simultaneous activation of virtual devices Simultaneous activation of virtual devices

2002-11-27

2011-10-04

Timblin, Robert (Department: 2167)

Data processing: database and file management or data structures

File or database maintenance

Database backup

C707S660000, C711S006000

Reexamination Certificate

active

08032492

ABSTRACT:
Establishing a plurality of storage areas includes associating each of a first plurality of storage areas of a first type that contain sections of data with corresponding ones of second plurality of storage areas of a second type having pointers to alternative sections of data storage areas of the first type, where initially none of the second plurality of storage areas is available for accessing data corresponding thereto, and, after associating all of the first and second plurality of storage areas, activating the second plurality of storage areas to make the second plurality of storage areas available for accessing data. Exclusive access may be enabled for all of the first plurality of storage areas prior to activating the second plurality of storage areas or to each storage area one at a time.

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