Error handling of storage device data in real time systems

Details Error handling of storage device data in real time systems Error handling of storage device data in real time systems

2004-11-04

2008-10-28

Torres, Joseph D (Department: 2112)

Error detection/correction and fault detection/recovery

Pulse or data error handling

Digital data error correction

Reexamination Certificate

active

07444581

ABSTRACT:
A storage device performs error correction for all data read from media. Correctly read data or data that is corrected following the reading is transferred to a host for use. If the error correction fails, the storage device transfers a unique error code. The host distinguishes the received data between normal one and unique one. The normal data flows into main data handling routine and the unique code flows into error data handling routine. The processed results of both data are stored into system memory area in the host. The host controls the read out schedule and response to the unique code. This method can prevent the host breakdown from data trouble in the external storage device.

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patent: 6009227 (1999-12-01), Inoue
patent: 6430723 (2002-08-01), Kodama et al.

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