For storage devices using RAID2.0+ technology, when a hard disk fails, the valid data on the failed disk will be reconstructed to all disks in the resource pool except the failed disk, achieving…

For storage devices using RAID2.0+ technology, when a hard disk fails, the valid data on the failed disk will be reconstructed to all disks in the resource pool except the failed disk, achieving one-to-many reconstruction with fast speed, which greatly shortens the time that data is in a non- redundant state.