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:
Mar. 18, 2014
Filed:
Jul. 20, 2011
Masanori Araki, Odawara, JP;
Masanori Araki, Odawara, JP;
Hitachi, Ltd., Tokyo, JP;
Abstract
The object is to achieve a disaster recovery configuration in a short period of time. In a first storage apparatusP, a child-generation volumePB is created using a snapshot from a parent volumePA, and a grandchild-generation volumePC is created using a snapshot from the child-generation volumePB. Similarly, in a second storage apparatusS as well, a child-generation volumeSB is created using a snapshot from a parent volumeSA, and a grandchild-generation volumeSC is created using a snapshot from the child-generation volumeSB. The parent volumes form a normal remote copy pair. The child-generation volumes and the grandchild-generation volumes form virtual remote copy pairs without implementing an initial copy.