公开(公告)号：US20240201898A1

公开(公告)日：2024-06-20

申请号：US18243923

申请日：2023-09-08

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Yongmyung LEE ,  Seokhwan KIM ,  Daejun PARK

IPC: G06F3/06

CPC classification number: G06F3/0659 ,  G06F3/0604 ,  G06F3/0683

Abstract: A storage device includes a non-volatile memory; a volatile memory; and a storage controller configured to: receive a new data and append data write command from a host, write new data and append data to at least one of the non-volatile memory and the volatile memory, receive, from the host, a remap command including mapping information between old data and the new data and a first identification (ID), based on the remap command, store in the volatile memory the mapping information between the old data and the new data and the first ID, receive, from the host, a metadata write command requesting writing meta data for the append data and including the first ID, and based on the metadata write command, update the mapping information between the old data and the new data, and write metadata related to the append data to the non-volatile memory.