Patent · US Active

Using duplicated data to enhance data security in RAID environments

US9645897B2 · kind B2 · utility

2Cited by

6References

14Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Michael Diederich · Mainz, DE
Thorsten Muehge · Mainz, DE
Erik Rueger · Mainz, DE
Rainer Wolafka · Bad Soden, DE

Key dates

Filing date	Mar 11, 2015
Grant date	May 9, 2017
Priority date	—
Expiry date	Jul 14, 2035

Classification

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

Abstract

A method for processing a data object access request in a storage system having storage devices can include receiving an access request for accessing a first data object, the request being received by a controller that stores at least two consecutive data objects received by the storage system in different storage devices. The method may then include detecting that the first data object is corrupted, and determining, in response to the detecting, that a second data object has identical data as the first data object. Determining that the second data object has identical information as the first data object can include determining that a first metadata tag corresponding with the first data object and a second metadata tag corresponding with the second data object are identical. The second data object can then be provided in a response to the access request.

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