Title:
二重制御装置を有する冗長データ記憶システムおよびその動作方法
Document Type and Number:
Japanese Patent JP5403849
Kind Code:
B2
Abstract:
A redundant data storage system is provided comprising a first controller with top-level control of a first memory space and a second controller with top-level control of a second memory space different than the first memory space. The system is adapted for asynchronously reflectively writing state information by the first controller to the second memory space; alternatively the system is adapted for asynchronously reflectively writing state information by the second controller to the first memory space. A method is provided for operating the redundant data storage system by resolving any inconsistency between the existing state information and a modified state information associated with a state information change request, and for switching control in the redundant data storage system between the controllers.
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Inventors:
Iman Mohammad ガーナム
Robert George Bean
Robert George Bean
Application Number:
JP2005141035A
Publication Date:
January 29, 2014
Filing Date:
May 13, 2005
Export Citation:
Assignee:
Seagate Technology LLC
International Classes:
G06F12/00; G06F3/06
Attorney, Agent or Firm:
Hisao Fukami
Toshio Morita
Gihei Nakamura
Yutaka Horii
Nobuo Arakawa
Masato Sasaki
Toshio Morita
Gihei Nakamura
Yutaka Horii
Nobuo Arakawa
Masato Sasaki