Method and system for shredding data within a data storage...

Details Method and system for shredding data within a data storage... Method and system for shredding data within a data storage...

2007-12-11

2007-12-11

Lane, Jack (Department: 2185)

Electrical computers and digital processing systems: memory

Storage accessing and control

Control technique

C711S135000, C711S159000, C711S161000, C711S162000, C711S163000

Reexamination Certificate

active

11086871

ABSTRACT:
A method and system for shredding data within a data storage subsystem is disclosed. According to one embodiment, a method is provided of continually shredding data within a data storage subsystem in which all the data of a first storage element is made permanently unreadable followed by the performance of a data shred process. In the described data shred process, second storage element is first selected (e.g., from plurality of candidate or potential storage elements), which includes a first storage object to be preserved and a second storage object to be shredded. Once the second storage element is selected, data of the first storage object is stored/copied within the first storage element. Thereafter, all data of the second storage element is rendered permanently unreadable.

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