Handling data block migration to efficiently utilize higher performance tiers in a multi-tier storage environment
US9671977B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Apr 8, 2014 |
| Grant date | Jun 6, 2017 |
| Priority date | — |
| Expiry date | Jun 24, 2035 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F16/185
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
In one embodiment, a method for managing data includes receiving migration information that describes movement of data stored to a direct access storage device (DASD) during a data migration operation that causes at least one portion of the data to be moved from a first location in a first tier of a multi-tier file system to a second location in a second tier of the multi-tier file system, determining whether to swap data usage statistics for the second location with data usage statistics for the first location, and swapping the data usage statistics for the second location with the data usage statistics for the first location when the determination is to swap the data usage statistics. Other systems, methods, and computer program products for managing data in a multi-tier file system are described according to more embodiments.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.