Segregating large data blocks for data storage system
US12265733B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 14, 2023 |
| Grant date | Apr 1, 2025 |
| Priority date | — |
| Expiry date | Aug 22, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0604
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods and apparatus for efficiently handling large data files and their updates in NAND memory. In one example, provided is a data-storage system configured to reduce the frequency of data relocations by segregating a large data file into a plurality of subfiles. The size of such subfiles is appropriately selected to reduce the probability of occurrence for host-relocation conflicts and the magnitude of write amplification, thereby enabling the data-storage system to provide better quality of service while substantially maintaining acceptable levels of other pertinent performance characteristics. In some examples, a sequence of host read-modify-write commands is handled by generating a copy of implicated subfiles in a data buffer, applying subfile updates to the copy in the data buffer in accordance with the sequence, and relocating the implicated subfiles in the NAND memory using the updated versions thereof from the data buffer.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.