Control device for a storage apparatus, system, and method of controlling a storage apparatus
US10019315B2 · kind B2 · utility
Assignee
Inventor
Key dates
| Filing date | Mar 13, 2017 |
| Grant date | Jul 10, 2018 |
| Priority date | — |
| Expiry date | Mar 13, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0689
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A control device for a storage apparatus including a first storage device, a second storage device, and a third storage device, the control device includes a memory, and a processor coupled to the memory and configured to store, in the third storage device, first parity data generated based on first data stored in the first storage device and second data stored in the second storage device, store, in the first storage device, third data as update data of the first data, execute reading the first data and the third data from the first storage device and reading the first parity data from the third storage device when garbage collection for the first storage device is performed, and execute generating second parity data based on the read first data, the read third data, and the read first parity data.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.