公开(公告)号：US20230137007A1

公开(公告)日：2023-05-04

申请号：US18149288

申请日：2023-01-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kebo Fu ,  Liang Chen ,  Ruliang Dong ,  Xiang Wu ,  Xiaodong Luo

IPC: G06F3/06

Abstract: In a data storage method, a storage system comprises first and second medium layers for data storage, wherein the performance of the first medium layer is different from the performance of the second medium layer. Based on the performance difference between the two layers, the storage system stores data in the first medium layer and the second medium layer based on different erasure code ratios. The different erasure code ratios correspond to different write amplification, and result in different storage space utilization.

公开(公告)号：US11249846B2

公开(公告)日：2022-02-15

申请号：US16910924

申请日：2020-06-24

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yanxing Zeng ,  Liang Chen ,  Ruliang Dong ,  Jinyi Zhang ,  Kebo Fu

IPC: G06F11/00 ,  G06F11/10 ,  H03M13/15 ,  H03M13/00

Abstract: An erasure code (EC)-based data processing method implemented by a storage controller includes obtaining K data chunks, dividing each of the K data chunks into two data slices, encoding the 2*K data slices based on a parity matrix including 2*M rows and 2*(K+M) columns of elements, to obtain 2*M parity slices, and separately storing the K data chunks and the M parity chunks in different storage devices.

公开(公告)号：US12131051B2

公开(公告)日：2024-10-29

申请号：US18149288

申请日：2023-01-03

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Kebo Fu ,  Liang Chen ,  Ruliang Dong ,  Xiang Wu ,  Xiaodong Luo

IPC: G06F3/06 ,  H03M13/35 ,  H03M13/37

CPC classification number: G06F3/0652 ,  G06F3/0619 ,  G06F3/0647 ,  G06F3/067 ,  H03M13/35 ,  H03M13/373

Abstract: In a data storage method, a storage system comprises first and second medium layers for data storage, wherein the performance of the first medium layer is different from the performance of the second medium layer. Based on the performance difference between the two layers, the storage system stores data in the first medium layer and the second medium layer based on different erasure code ratios. The different erasure code ratios correspond to different write amplification, and result in different storage space utilization.