The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Nov. 18, 2014

Filed:

Nov. 28, 2008
Applicants:

Yuji Kobayashi, Hadano, JP;

Tomoki Sekiguchi, Sagamihara, JP;

Inventors:

Yuji Kobayashi, Hadano, JP;

Tomoki Sekiguchi, Sagamihara, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 9/455 (2006.01); G06F 11/14 (2006.01); G06F 11/34 (2006.01);
U.S. Cl.
CPC ...
G06F 11/3485 (2013.01); G06F 11/1497 (2013.01); G06F 11/348 (2013.01);
Abstract

A hypervisor is operated while an I/O device is not controlled by the hypervisor performs a process operation. A result of the process of the I/O device which is being concurrently operated is recorded to be capable of being reflected to the operation of the hypervisor. Therefore, a hypervisor which assigns a computer including an I/O control device controlling an I/O device, a main storage device, and a CPU as resources to each of one or more logical partitions (LPAR) and performs control, and a logging circuit recording data transmission from the I/O device to the main storage device, which is uncontrolled by the hypervisor, in response to an instruction from the hypervisor, are provided. It is possible to shorten a halt time period of an LPAR.


Find Patent Forward Citations

Loading…