Patent · US Active

Restoring data to a distributed storage node

US8015437B2 · kind B2 · utility

4Cited by

17References

25Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Ofir Zohar · Gdera, IL
Haim Helman · Ramat Gan, IL
Shemer Schwartz · Herzliya, IL
Efri Zeidner · Kfar Sava, IL
Kariel Sendler · Bat Hefer, IL
Shai Gross · Hadera, IL

Key dates

Filing date	Dec 14, 2010
Grant date	Sep 6, 2011
Priority date	—
Expiry date	Dec 14, 2030

Classification

Technology area (CPC G)Physics
CPC primaryG06F11/2082
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method is disclosed for operating a data storage system having one or more network interfaces and a plurality of data storage nodes configured to provide redundant storage locations. The method includes storing a set of node partitions on a given storage node of the plurality of data storage nodes. The method also includes, following a recovery by the given storage node from a malfunction, making a determination for a node partition in the set whether the node partition is current or noncurrent, and processing the node partition according to the determination.

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