Storage apparatus, data management method, and non-transitory computer readable medium
US10776044B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 4, 2019 |
| Grant date | Sep 15, 2020 |
| Priority date | — |
| Expiry date | May 15, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/7203
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A server including a memory unit, a processor unit, and a storage device, wherein the memory unit has: a CM; an SM which stores management information; and a log buffer for storing log data indicating contents of change to the CM and the SM. The storage device has a log chunk for storing the log data, and the processor unit is configured to: store target data corresponding to an I/O request in the CM; generate log data of contents of change with respect to the CM and the SM, and to store the pieces of the generated log data in the log buffer; write a plurality of pieces of log data stored in the log buffer into the log chunk; and transmit, after all of the pieces of log data corresponding to the I/O request are written into the log chunk, a response of good to a request source.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.