Method and apparatus for data reconstruction after failure...

Details Method and apparatus for data reconstruction after failure... Method and apparatus for data reconstruction after failure...

2007-12-11

2007-12-11

McCarthy, Christopher (Department: 2113)

Error detection/correction and fault detection/recovery

Data processing system error or fault handling

Reliability and availability

C711S114000

Reexamination Certificate

active

10457892

ABSTRACT:
An array of storage devices is monitored to detect failure of one of the storage devices. Upon detection of a storage device failure, parity data associated with data stored on the failed storage device is identified. Data stored on the failed storage device is reconstructed and stored on unused portions of storage devices that did not fail. The system then updates the parity data associated with the data stored on the failed storage device.

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