The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Feb. 01, 2011
Filed:
Aug. 10, 2006
Tsung-lin Tsai, Kaohsiung, TW;
Jun-yao Wang, Tainan, TW;
Shou-jen Wey, Tainan, TW;
Industrial Technology Research Institute, Hsinchu, TW;
Abstract
A snapshot mechanism of a data processing system is provided herein. The snapshot mechanism includes providing a snapshot storage unit for storing the data created when snapshotting the target storage units and generating a plurality of snapshot images accordingly. Two different types of address tables in the snapshot image are used for corresponding to the storage units of the snapshot storage unit and the target storage units. The status of the target storage units can be recovered to the status at a predetermined time ago according to the snapshot images. The two types of address tables are respectively used for storing the data created by the data processing system and history data so as to prevent the data stored in the target storage units to be overwritten.