Patent · US Active

Extent commands in replication

US8977826B1 · kind B1 · utility

111Cited by
3References
20Claims
0Family size

Assignee

Inventors

Key dates

Filing dateDec 28, 2011
Grant dateMar 10, 2015
Priority date
Expiry dateJun 19, 2033

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F2201/855
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method, system, and computer program product for ordering a plurality of data IO captured at a primary site to be applied at a secondary site, comprising removing the one or more extent level portions from the captured data IO, determining if the one or more extent level portions are time sequenced to overwrite a portion of data of the data IO, based on a determination that the portion data is to be overwritten, removing the overwritten portion of data from the plurality of the data IO and ordering the one or more extent level portions to be applied at the secondary site before the captured data IO.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.