Title:
Storage system
Document Type and Number:
Japanese Patent JP6227776
Kind Code:
B2
Abstract:
A storage system according to one preferred embodiment of the present invention is composed of at least a first storage subsystem and a second storage subsystem. Write data from a host computer is duplicated to a first volume of the first storage subsystem and a second volume of the second storage subsystem, and the host computer is composed to be able to access both the first volume and the second volume. Attribute information which is information related to an order of write and/or write capability is set for each volume, and when an access command to the volume is received from the host computer, the storage subsystem determines whether I/O to the first volume and/or the second volume is required or not based on the attribute set for each volume.
Inventors:
Takei Tomohiro
Yohei Ishikawa
Hideo Saito
Constitution
Kei Tamura
Tomohiro Kawaguchi
Yohei Ishikawa
Hideo Saito
Constitution
Kei Tamura
Tomohiro Kawaguchi
Application Number:
JP2016528801A
Publication Date:
November 08, 2017
Filing Date:
June 25, 2014
Export Citation:
Assignee:
株式会社日立製作所
International Classes:
G06F3/06; G06F12/00; G06F13/10
Domestic Patent References:
| JP2006285388A | ||||
| JP2005018568A |
Attorney, Agent or Firm:
Patent Business Corporation Daiichi International Patent Office
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