公开(公告)号：EP4432067A1

公开(公告)日：2024-09-18

申请号：EP24163544.0

申请日：2024-03-14

申请人： Samsung Electronics Co., Ltd.

发明人： KIM, Hyunsub

IPC分类号： G06F3/06 ,  G06F11/07 ,  G06F11/14

CPC分类号： G06F3/0611 ,  G06F3/064 ,  G06F3/0656 ,  G06F3/0659 ,  G06F3/0679 ,  G06F11/07 ,  G06F11/1441 ,  G06F11/1471 ,  G06F11/1458

摘要： A storage device, and an operating method of a memory controller are provided. A storage device includes a non-volatile memory device, a buffer memory configured to store a plurality of meta data blocks and journal data corresponding to the plurality of meta data blocks, the journal data including a plurality of journal entries indicating update information on the meta data included in one of the plurality of meta data blocks, and a memory controller configured to determine a recovery time of the plurality of meta data blocks based on journal times corresponding to each of the journal entries, the recovery time being a predicted time for recovering the plurality of meta data blocks using the journal data, and perform a meta writing based on the recovery time, the meta writing including writing one of the plurality of meta data blocks to the non-volatile memory device and writing the journal data to the non-volatile memory device.