Patent · US Expired

Limited concurrent host access in a logical volume management data storage environment

US7096333B2 · kind B2 · utility

10Cited by
2References
36Claims
0Family size

Assignee

Inventors

Key dates

Filing dateJul 18, 2002
Grant dateAug 22, 2006
Priority date
Expiry dateSep 17, 2023

Classification

  • Technology area (CPC G)Physics
  • CPC primaryG06F3/0601
  • WIPO fieldComputer technology
  • WIPO sectorElectrical engineering

Abstract

A method, system, and program product for controlling multi-node access to a disk storage system. In accordance with the method of the present invention, an active access authorization is set for a first node. The active access authorization enables read and write access by the first node to user and meta data within the disk storage system. A passive access authorization is set for a second node. The passive access authorization enables read-only access by the second node to logical volume management meta data within the disk storage system.

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