Patent ID: 7143305
Filing Date: 2006-11-28
Classification: G06F

Abstract:
1. A computer program product comprising a computer readable storage medium embodying a computer readable program, wherein the computer readable program when executed on a computer causes the computer to perform a method for replacing a failed storage device, the method comprising the following operations: reconstructing data that was stored on the failed storage device; commencing writing the reconstructed data on each spare storage device in a plurality of spare storage devices, wherein the reconstructed data is written on the plurality of spare storage devices without verifying that the reconstructed data is successfully written; finishing writing the reconstructed data on at least one of the spare storage devices in the plurality of spare storage devices; beginning validating that the reconstructed data was successfully written, on each of the spare storage devices on which writing of the reconstructed data is finished; receiving a write complete message from at least one of the spare storage devices, indicating that the reconstructed data was successfully written; and replacing the failed storage device with one of the at least one spare storage devices from which a write complete message was received.