公开(公告)号：US20220206715A1

公开(公告)日：2022-06-30

申请号：US17479704

申请日：2021-09-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huijeong Kim ,  Cheolho Kang ,  Duckho Bae

IPC: G06F3/06 ,  G06F12/0804

Abstract: Disclosed are a storage device including a memory controller and a method of operating the memory controller. A storage device according to the technical idea of the present disclosure includes a write buffer for storing write data that is not grouped into a transaction, a non-volatile memory device including a journal buffer where journal logs are stored, a volatile memory device for temporarily storing first metadata, and a memory controller for updating the first metadata to the second metadata based on the journal log stored after the start of the checkpoint among the journal logs stored in the journal buffer.

公开(公告)号：US20220206713A1

公开(公告)日：2022-06-30

申请号：US17470720

申请日：2021-09-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huijeong Kim ,  Cheolho Kang ,  Duckho Bae

IPC: G06F3/06 ,  G06F11/10 ,  G06F12/10

Abstract: A storage device including a memory controller and an operating method of the memory controller are provided. The storage device includes a non-volatile memory device including a write buffer configured to store write data provided from a host and a journal buffer configured to store a journal log, a volatile memory device configured to temporarily store metadata, and a memory controller configured to provide the non-volatile memory device with a journaling command, that includes the journal log and the physical address corresponding to the journal buffer, and which issues a command to store the journal log in the journal buffer, to update the metadata temporarily stored in the volatile memory device, and to control the volatile memory device to store updated metadata to the non-volatile memory device.

公开(公告)号：US11983440B2

公开(公告)日：2024-05-14

申请号：US17470720

申请日：2021-09-09

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huijeong Kim ,  Cheolho Kang ,  Duckho Bae

IPC: G06F3/06 ,  G06F11/10 ,  G06F12/10

CPC classification number: G06F3/0659 ,  G06F3/0604 ,  G06F3/064 ,  G06F3/0656 ,  G06F3/068 ,  G06F11/1004 ,  G06F12/10 ,  G06F2212/657

Abstract: A storage device including a memory controller and an operating method of the memory controller are provided. The storage device includes a non-volatile memory device including a write buffer configured to store write data provided from a host and a journal buffer configured to store a journal log, a volatile memory device configured to temporarily store metadata, and a memory controller configured to provide the non-volatile memory device with a journaling command, that includes the journal log and the physical address corresponding to the journal buffer, and which issues a command to store the journal log in the journal buffer, to update the metadata temporarily stored in the volatile memory device, and to control the volatile memory device to store updated metadata to the non-volatile memory device.

公开(公告)号：US11620084B2

公开(公告)日：2023-04-04

申请号：US17479704

申请日：2021-09-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Huijeong Kim ,  Cheolho Kang ,  Duckho Bae

IPC: G06F3/06 ,  G06F12/0804

Abstract: Disclosed are a storage device including a memory controller and a method of operating the memory controller. A storage device according to the technical idea of the present disclosure includes a write buffer for storing write data that is not grouped into a transaction, a non-volatile memory device including a journal buffer where journal logs are stored, a volatile memory device for temporarily storing first metadata, and a memory controller for updating the first metadata to the second metadata based on the journal log stored after the start of the checkpoint among the journal logs stored in the journal buffer.