Patent · US Active

Cloud snapshots

US9563517B1 · kind B1 · utility

393Cited by

5References

18Claims

0Family size

Assignee

EMC IP Holding Company LLC · US

Inventors

Assaf Natanzon · Nes Ziona, IL
Eran Weiss · Ramat Gan, IL

Key dates

Filing date	Dec 30, 2013
Grant date	Feb 7, 2017
Priority date	—
Expiry date	Feb 12, 2035

Classification

Technology area (CPC G)Physics
CPC primaryG06F2201/84
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A computer implemented method, system, and program product for creating snapshots instructions at a replication site, the method comprising determining the differences between a first snapshot at a first time of a LUN and a second snapshot at a second time of the LUN, determining the differences between the second snapshot and a third snapshot at a third time of the LUN, creating a redacted snapshot of the second snapshot wherein the redacted snapshot contains pointers to the first snapshot for the common data in the first snapshot and the second snapshot; wherein the redacted snapshot contains pointers to the third snapshot for common data in the second snapshot and the third snapshot; and further wherein the redacted snapshot stored data that is not present in the first snapshot and is not present in the third snapshot.

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