Error detection/correction and fault detection/recovery – Data processing system error or fault handling – Reliability and availability
Reexamination Certificate
2011-03-01
2011-03-01
Beausoliel, Robert (Department: 2113)
Error detection/correction and fault detection/recovery
Data processing system error or fault handling
Reliability and availability
C714S006130, C714S006130, C714S047300
Reexamination Certificate
active
07900083
ABSTRACT:
An error table stores information indicating the occurrence of an error. A statistical score addition table stores the number of scores for disk or path according to the error. A control unit adds the first number of scores to the error disk. Also, when the information indicating the occurrence of the error is not stored in the error table, the control unit adds the second number of scores smaller than the first number of scores to the path to the error disk, while when the information is stored, the control unit adds the third number of scores larger than the first number of scores to the path. The control unit separates the path or disk of which the number of scores exceeds a threshold from the disk array apparatus.
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Hanazawa Fumio
Sanpei Akira
Sato Hiroaki
Takizawa Keiju
Tanaka Kiyoshi
Beausoliel Robert
Fujitsu Limited
Lottich Joshua P
Staas & Halsey , LLP
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