公开(公告)号：US20230214132A1

公开(公告)日：2023-07-06

申请号：US18060165

申请日：2022-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungil Kim ,  Wonho Kang ,  Gyeongtae Yu ,  Jeongwoo Park ,  Byungjune Song ,  Kyoungback Lee ,  Jeongsu Hwang

IPC: G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0647 ,  G06F3/0679

Abstract: A storage device includes a non-volatile memory device including a first memory region and a second memory region, memory cells of the first memory region being at different levels from memory cells of the second memory region and a controller configured to control a base data protection operation against a rework for a reflow process by including a first operation of migrating base data stored in the first memory region to the second memory region before the rework for a first reflow process and a second operation of restoring the base data from the second memory region to the first memory region after completing the rework for the reflow process. The controller is configured to provide, to a host, management information including at least one of first information on a current state in a base data protection operation against the rework, second information on the first memory region, and third information on the second memory region.

公开(公告)号：US20250165390A1

公开(公告)日：2025-05-22

申请号：US18651459

申请日：2024-04-30

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yejin Jo ,  Kwangsuk Kim ,  Jinhwan Choi ,  Wonho Kang ,  Jungyoung Kim ,  Jungtae Lee

IPC: G06F12/02

Abstract: There is provided a method of operating a storage system that includes a host and a storage device. According to the method, device-filled-ratio of a storage space of a plurality of nonvolatile memory devices in the storage device is queried by the host to the storage device, calculated device-filled-ratio is transmitted, by a storage controller that controls the plurality of nonvolatile memory devices, to the host in response to the querying, an unmap command and target logical block addresses are transmitted, by the host, to the storage device based on the calculated device-filled-ratio, and physical block addresses corresponding to the target logical block addresses are deallocated, by the storage device, in response to the unmap command.

公开(公告)号：US12050782B2

公开(公告)日：2024-07-30

申请号：US18060165

申请日：2022-11-30

Applicant: Samsung Electronics Co., Ltd.

Inventor： Seungil Kim ,  Wonho Kang ,  Gyeongtae Yu ,  Jeongwoo Park ,  Byungjune Song ,  Kyoungback Lee ,  Jeongsu Hwang

IPC: G06F12/00 ,  G06F3/06

CPC classification number: G06F3/0619 ,  G06F3/0647 ,  G06F3/0679

Abstract: A storage device includes a non-volatile memory device including a first memory region and a second memory region, memory cells of the first memory region being at different levels from memory cells of the second memory region and a controller configured to control a base data protection operation against a rework for a reflow process by including a first operation of migrating base data stored in the first memory region to the second memory region before the rework for a first reflow process and a second operation of restoring the base data from the second memory region to the first memory region after completing the rework for the reflow process. The controller is configured to provide, to a host, management information including at least one of first information on a current state in a base data protection operation against the rework, second information on the first memory region, and third information on the second memory region.