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:
Jul. 28, 2015
Filed:
Jul. 05, 2012
Takanori Mitsuno, Odawara, JP;
Hiroshi Arakawa, Chigasaki, JP;
Takanori Mitsuno, Odawara, JP;
Hiroshi Arakawa, Chigasaki, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
A management apparatus and management method capable of simplifying system management and constructing copy pairs with fault tolerance intended by a user are suggested. With a computer system for providing a host system with logical volumes in the system respectively as virtual volumes in one virtual storage apparatus, each storage apparatus is grouped in accordance with a designated grouping policy and a group ID specific to a storage group, to which the relevant storage apparatus belongs, is assigned to each storage apparatus; and when setting a copy pair, a part or whole of each logical volume is switched to an appropriate logical volume as needed in accordance with a copy pair setting policy, including a location relationship of the respective logical volumes associated with the respective virtual volumes constituting the copy pair, based on the group ID of each storage apparatus.