Patent · US Active

Concurrent checkpointing and modifications in a transactional clustered file system

US8516021B2 · kind B2 · utility

7Cited by

5References

24Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Lior Aronovich · Ramat Gan, IL
Yair Toaff · Givat Shmuel, IL
Gil E. Paz · Yehud Monosson, IL
Ron Asher · Nes Ziona, IL

Key dates

Filing date	Aug 6, 2012
Grant date	Aug 20, 2013
Priority date	—
Expiry date	Aug 6, 2032

Classification

Technology area (CPC G)Physics
CPC primaryG06F2212/604
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Systems, Methods, and Computer Program Products are provided for concurrent checkpointing and modifications in a transactional clustered file system (CFS). Shadow data segments, whose contents are identical to an original data segment currently being written by a checkpoint operation, for users that require access for modification to data segments concurrently being written within a checkpoint operation.

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