Techniques for virtualizing data

Details Techniques for virtualizing data Techniques for virtualizing data

2011-07-26

2011-07-26

Bataille, Pierre-Michel (Department: 2186)

Electrical computers and digital processing systems: memory

Storage accessing and control

Memory configuring

C711S203000, C711SE12001

Reexamination Certificate

active

07987335

ABSTRACT:
Techniques for virtualizing data are disclosed. In one particular exemplary embodiment, the techniques may be realized as a method for virtualizing data comprising identifying source data to be virtualized, intercepting an input/output (i/o) request to the source data, determining whether the input/output request is a read request or a write request, in the event the input/output request is a write request, storing one or more changes contained in the write request, and in the event the input/output request is a read request, determining whether a portion of data requested has been modified and responding to the read request. Responding to the read request may comprise providing stored data in the event a portion of the data requested has been modified, and utilizing source data in the event the data requested is unmodified.

REFERENCES:
patent: 7334095 (2008-02-01), Fair et al.
patent: 2004/0139128 (2004-07-01), Becker et al.

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