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.

Patent No.:

US 8463989 B1

PDF
Full Text
Expired
Date of Patent:
Jun. 11, 2013

Filed:

Jun. 16, 2009
Applicant:

Atsuya Kumagai, Kawasaki, JP;

Inventor:

Atsuya Kumagai, Kawasaki, JP;

Assignee:

Hitachi, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G06F 13/38 (2006.01); G06F 12/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

A storage device and method for ensuring the provision of data as complete files in a storage device capable of processing both block input/output I/O and file I/O. For each logical volume, an attempt is made to unmount logical units (LUs) storing files triggered by a session start request for block I/O (login request) such as iSCSI, and to recognize (mount) files of logical units triggered by a session completion request for block I/O (Logout request). Block access processing units may also create a replication of a specified logical unit and set a relevant replicated logical unit as a logical unit for access.


Find Patent Forward Citations

Kumagai, Atsuya. (2013). Storage device and method utilizing both block i/o and file i/o access (U.S. Patent No. 8463989). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/8463989

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