Patent · US Active

Consistency group fault tolerance

US10185503B1 · kind B1 · utility

1Cited by

9References

15Claims

0Family size

Assignee

EMC IP Holding Company LLC · US

Inventors

Leehod Baruch · Rishon LeZion, IL
Asaf Natanzon · Nes Ziona, IL
Alex Solan · Glil Yam, IL
Ido Singer · Nes Ziona, IL
Asaf Bar'el · Ramat Gan, IL

Key dates

Filing date	Jun 30, 2015
Grant date	Jan 22, 2019
Priority date	—
Expiry date	Jul 13, 2035

Classification

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

Abstract

A fault tolerance computer implemented method, a computer program product, and a system for allowing asynchronous replication to continue with no lag increase due to RPA failure comprising: creating a consistency group (CG) on a first replication appliance and a shadow copy of the CG on a second replication appliance; sending input/output (IO data), via a splitter, to the CG in a first replication appliance; and sending IO data, via the splitter, to shadow copy of the CG on a second replication appliance.

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