公开(公告)号：US12153803B2

公开(公告)日：2024-11-26

申请号：US18200186

申请日：2023-05-22

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jeongjae Cho ,  In-Su Kim

IPC: G06F3/06

Abstract: A storage device includes: a memory; and a storage controller configured to control the memory and to update meta data by controlling the memory. The storage controller includes a journal manager having a range table. The journal manager is configured to: generate a plurality of journal data associated with the update of the meta data, restore the meta data by sequentially performing a replay operation for each of the plurality of journal data, update the range table based on the plurality of journal data, and skip the replay operation for at least one of the plurality of journal data based on the range table.

公开(公告)号：US11829641B2

公开(公告)日：2023-11-28

申请号：US17516955

申请日：2021-11-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jeongjae Cho ,  Myunghyun Jo

IPC: G06F3/06

CPC classification number: G06F3/0659 ,  G06F3/0604 ,  G06F3/0679

Abstract: A storage device includes a memory die; a storage controller processor configured to control an operation performed in the memory die by scheduling a plurality of commands provided to the memory die; and memory storing a command queue corresponding to the memory die, wherein the storage controller processor is configured to, receive the plurality of commands respectively from a first tenant and a second tenant; schedule the plurality of commands in the command queue, according to the first and second tenants providing the plurality of commands; and reschedule the plurality of commands according to the operation performed in the memory die and urgency of the plurality of commands, and control the memory die to process the plurality of commands in an order different from an order in which the plurality of commands were received by the storage controller processor.