公开(公告)号：US20170102996A1

公开(公告)日：2017-04-13

申请号：US15288227

申请日：2016-10-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Geunyeong YU ,  Junjin KONG ,  Beom Kyu SHIN ,  Myungkyu LEE ,  Jiyoup KIM ,  Dongmin SHIN

IPC: G06F11/10 ,  G06F3/06

CPC classification number: G06F11/1092 ,  G06F3/0619 ,  G06F3/064 ,  G06F3/0683

Abstract: A redundant array of inexpensive disks (RAID) controller of a RAID storage system that includes one or more storage devices includes an error correction code (ECC) result manager configured to manage information of ECC result indicators when a data chunk that includes one or more ECC data units having an uncorrectable ECC error is read from among a plurality of data chunks dispersively stored in the one or more storage devices, each of the plurality of data chunks including a plurality of ECC data units, the ECC result indicators respectively indicating whether the plurality of ECC data units included in the plurality of data chunks has an uncorrectable ECC error; and an uncorrectable error counter configured to calculate a number of ECC result indicators indicating an uncorrectable ECC error among ECC result indicators corresponding to ECC data units having a same order in each of the plurality pluralit.y of data chunks.