Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
COMPUTER SYSTEM AND DATA MIGRATION METHOD
Document Type and Number:
WIPO Patent Application WO/2013/072959
Kind Code:
A1
Abstract:
Proposed are a computer system and a data migration method which enable an improved response performance to a data access request from the user. A client computer or an application on a second file server transmits an access request for access to data stored in a first storage area to a second file server and, if an access request from the client computer is received, the second file server migrates data from a first storage area of a first storage apparatus to a second storage area of a second storage apparatus and, if an access request from the application on the second file server is received, data is migrated from the first storage area of the first storage apparatus to a third storage area of a third storage apparatus.

Inventors:
MATSUMOTO, Shinya (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
NAKAMURA, Takaki (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
MATSUZAWA, Keiichi (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
Application Number:
JP2011/006367
Publication Date:
May 23, 2013
Filing Date:
November 15, 2011
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
HITACHI, LTD. (6-6 Marunouchi 1-chome, Chiyoda-ku Tokyo, 80, 10082, JP)
MATSUMOTO, Shinya (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
NAKAMURA, Takaki (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
MATSUZAWA, Keiichi (C/O HITACHI LTD, Yokohama Research Laboratory, 292, Yoshida-cho, Totsuka-ku, Yokohama-sh, Kanagawa 17, 24408, JP)
International Classes:
G06F3/06
Foreign References:
US20040210583A1
US6938039B1
EP1873624A2
EP2157506A2
JP2010257095A
US7937453B1
Attorney, Agent or Firm:
OHGA, Shinji et al. (SUNNEXT INTERNATIONAL PATENT OFFICE, Seafort Square Center Building 16F, 2-3-12, Higashishinagawa, Shinagawa-k, Tokyo 02, 14000, JP)
Download PDF:
Claims: