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.:
Date of Patent:
Apr. 01, 2014
Filed:
Sep. 14, 2012
Eri Kataoka, Tokyo, JP;
Yoshifumi Takamoto, Kokubunji, JP;
Eri Kataoka, Tokyo, JP;
Yoshifumi Takamoto, Kokubunji, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
In a virtual computer system controlling a disk volume and a virtual server which is connected to the disk volume, to which the area of the disk volume is allocated as a virtual disk and which executes a process using the allocated virtual disk, the virtual computer system erases information stored in the virtual disk allocated to the virtual server to be deleted correspondingly with the deletion of the virtual server. An administrative server may be provided to select a server system which is low in load from among plural server systems controlling virtual servers as a server system for erasing information stored in the virtual disk allocated to the virtual server to be deleted.