Storage control of storage media subject to write amplification effects
US10296426B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 14, 2017 |
| Grant date | May 21, 2019 |
| Priority date | — |
| Expiry date | Nov 4, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2211/1059
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
According to one aspect of the present invention, there is provided a method for performing storage control. Member storage media and a hot spare storage medium are identified in a storage system. The member storage media are members of a storage medium array, and the hot spare storage medium is for joining in the storage medium array when a member storage medium fails. Data on a member storage medium having a write amplification effect is migrated to the hot spare storage medium. In the member storage medium having a write amplification effect, an erase operation is performed on a storage medium where the migrated data is located. Embodiments of the present invention can alleviate adverse impact caused by a write amplification effect.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.