RAID-6 DATA STORAGE APPARATUS AND DATA PROCESSING SYSTEM INCLUDING SAME

摘要

Disclosed is a data storage apparatus capable of increasing a data recovery rate and efficiently recovering failed data. The data storage apparatus comprises: a storage medium storing data blocks included in a stripe set defining RAID-6; and a controller connected to the storage medium, decoding first data blocks logically arranged in a first column among the data blocks during a read operation, and when read failure occurs in the first data block, reading second data blocks logically arranged in the first column except for the first data blocks among the data blocks without reading all of the data blocks.;COPYRIGHT KIPO 2017