Storage device performing atomic write, host controlling storage device, and operating method of storage device
US12386558B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 8, 2023 |
| Grant date | Aug 12, 2025 |
| Priority date | — |
| Expiry date | Sep 15, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0683
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
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.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.