Storage control device having restoration function to initial status, control method of storage device, and program
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United States of America Patent
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Issued Date -
N/A
app pub date -
Mar 4, 2005
filing date -
Nov 27, 2002
priority date (Note) -
Abandoned
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Abstract
A storage device including an initial data storage area storing initial data, an updated data storage area storing updated data corresponding to the initial data, and a designation area designating either the initial data storage area or the updated data storage area to be readout. A storage control device comprises a write writing data in the updated data storage area, a re-write unit re-writing the designation area in which information for reading the initial data storage area is set in the initial stage into the setting of reading the updated data storage area when writing into the updated data storage area occurs, an initializing unit re-writing the information in the designation area to the setting of reading of the initial data, and a selection unit selecting to read either the initial data storage area or the updated data storage area when reading the data.
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