Failure prediction for disk arrays
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United States of America Patent
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-
Mar 10, 1998
Grant Date -
N/A
app pub date -
Jul 12, 1996
filing date -
Dec 15, 1994
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
In a data processing system employing a disk array, prediction of a possible failure of a disk drive initiates copying of the data away from the potentially failing disk drive to a spare disk drive before the failing drive actually fails. If the disk drive does fail before the copying of the contents to a spare disk drive is completed, rebuilding of the remaining contents within the failing disk drive is performed.
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