Patent · US Active

Facilitating data migration between tiers

US9274941B1 · kind B1 · utility

21Cited by
1References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJun 30, 2009
Grant dateMar 1, 2016
Priority date
Expiry dateJun 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.