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:
Jun. 25, 1996
Filed:
Jul. 27, 1994
Nobuo Kobayashi, Kawasaki, JP;
Fujitsu Limited, Kawasaki, JP;
Abstract
A data restoring apparatus for saving data into second storage unit and for restoring the saved data back into the first storage unit after an abnormality occurs in a data processing system, whose program updates data comprising first data and second data stored in the first storage unit. The first data includes a plurality of data blocks and the second data specifies the relation between the data blocks. The present invention sets a checkpoint during execution of the program, saves a data block of the first data into the second storage unit when the data block is to be updated by the program, saves the second data into the second storage unit when the checkpoint is set, restores the first data and the second data, both saved in the second storage unit, into the first storage unit, and restarts the program from the checkpoint.