Facilitating data migration between tiers
US9274941B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 30, 2009 |
| Grant date | Mar 1, 2016 |
| Priority date | — |
| Expiry date | Jun 27, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F3/0685
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method, system, and program product comprising, assigning addressable elements of storage devices of a data storage system to groups and subgroups, each subgroup being a member of a respective group of the groups, associating a value with a first group of the groups, wherein the value is derived from attributes of access requests to addressable elements of only a subset of the subgroups that are members of the first group, and based on the value, migrating data of the first group.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.