Patent · US Active

Dynamic reassignment of devices attached to redundant controllers

US7882389B2 · kind B2 · utility

2Cited by

15References

20Claims

0Family size

Assignee

International Business Machines Corporation · US

Inventors

Michael J. Andres · Roscoe, US
Giovanni Cautillo · Herrenberg, DE
Thomas Hess · Bad Liebenzell, DE
Markus Strasser · Penzberg, DE

Key dates

Filing date	Nov 18, 2008
Grant date	Feb 1, 2011
Priority date	—
Expiry date	Jul 28, 2029

Classification

Technology area (CPC G)Physics
CPC primaryG06F11/2092
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

A method for dynamically assigning a plurality of storage devices to a plurality of controllers within a storage unit, the method including: sensing each storage device from the plurality of storage devices; assigning each one of the storage devices to a respective controller from the plurality of controllers; monitoring at least one of each storage device, each controller, and a link between each storage device and the respective controller; upon a failure of at least one of the link, one of the storage devices and one of the controllers, generating a list of components; transmitting the list to another controller; and establishing a new assignment for each of the components on the list. A storage unit and a computer program product are provided.

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