Intelligent stress testing and raid rebuild to prevent data loss
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United States of America Patent
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Jan 30, 2018
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N/A
app pub date -
Nov 22, 2015
filing date -
Nov 22, 2015
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Abstract
A method for intelligently rebuilding a RAID includes subjecting a storage drive in an existing RAID to a stress workload test by placing the storage drive in a RAID 1 configuration with a spare storage drive. In the event the storage drive fails the stress workload test but can still be read, the method uses the RAID 1 configuration to copy recoverable data from the failing storage drive to the spare storage drive. The method uses other storage drives in the existing RAID to reconstruct, on the spare storage drive, data that is not recoverable from the failing storage drive. Either before or after all non-recoverable data has been reconstructed on the spare storage drive, the method logically replaces, in the existing RAID, the failing storage drive with the spare storage drive. A corresponding system and computer program product are also disclosed.
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