Metadata track selection switching in a data storage system
US11221955B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 6, 2018 |
| Grant date | Jan 11, 2022 |
| Priority date | — |
| Expiry date | Sep 17, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F2212/6046
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Metadata logic switches selection of a metadata track from multiple available metadata tracks in a volatile cache to fill the selected metadata track in a metadata track selection interval with metadata entries as source tracks of a source volume are copied to a backup volume of a copy relationship. Destage logic destages to storage a deselected metadata track containing metadata entries generated in a prior metadata track selection interval, while the metadata logic continues to generate and fill additional metadata entries in the selected metadata track in a concurrent metadata track selection interval. Other features and aspects may be realized, depending upon the particular application.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.