Error detection/correction and fault detection/recovery – Pulse or data error handling – Digital data error correction
Reexamination Certificate
2006-05-31
2010-06-15
Abraham, Esaw T (Department: 2112)
Error detection/correction and fault detection/recovery
Pulse or data error handling
Digital data error correction
Reexamination Certificate
active
07739579
ABSTRACT:
A storage apparatus composed of a plurality of magnetic disk devices are provided. An encoding unit generates, after dividing original data, a plurality pieces of encoded data equal to or more than the number of division by use of a code of which redundancy is variable. A redundancy control unit varies the redundancy in the encoding unit in accordance with the importance of the original data. A distribution processing unit distributes and stores the plurality of encoded data to and in the plurality of magnetic disk devices. A decoding unit retrieves the encoded data corresponding to, at least, the division number of the original data from the magnetic disk devices so as to decode the original data.
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Office Action mailed Jul. 8, 2009 in corresponding U.S. Appl. No. 11/407,109.
U.S. Appl. No. 11/407,109, filed Apr. 20, 2006, Hiroaki Kameyama et al., Fujitsu Limited.
Kameyama Hiroaki
Sato Yuichi
Sazawa Shinichi
Abraham Esaw T
Fujitsu Limited
Staas & Halsey , LLP
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