Title:
VIRTUAL FILE SYSTEM AND HIERARCHICAL STORAGE MANAGEMENT FOR CLOUD COMPUTING CONTAINING DIFFERENT UNDERLYING FILE SYSTEMS
Document Type and Number:
WIPO Patent Application WO/2011/114382
Kind Code:
A1
Abstract:
Provided is a technique capable of efficiently operating files and directories that are stored in storage located in a physically far place from a file server, without causing a network latency. An index creation program is also loaded in a cloud computing environment, and a flag, which indicates whether or not to execute batch processing to a directory that has been migrated to the cloud side, is provided, whereby it becomes possible to collectively execute index creation processing for the migrated directory on the cloud side. More specifically, upon completion of migration of all files under a given directory to the cloud side, a flag, which indicates whether or not to perform batch processing on the cloud side, is validated for the metadata of the directory. Such a batch processing flag can be held for each application such as applications of the index creation processing and the virus check processing.
Inventors:
NEMOTO JUN (JP)
AGETSUMA MASAKUNI (JP)
IWASAKI MASAAKI (JP)
AGETSUMA MASAKUNI (JP)
IWASAKI MASAAKI (JP)
Application Number:
PCT/JP2010/001981
Publication Date:
September 22, 2011
Filing Date:
March 19, 2010
Export Citation:
Assignee:
HITACHI LTD (JP)
NEMOTO JUN (JP)
AGETSUMA MASAKUNI (JP)
IWASAKI MASAAKI (JP)
NEMOTO JUN (JP)
AGETSUMA MASAKUNI (JP)
IWASAKI MASAAKI (JP)
International Classes:
G06F9/50; G06F3/06; G06F17/30
Foreign References:
| US20090030957A1 | 2009-01-29 | |||
| US7672981B1 | 2010-03-02 | |||
| US20050149749A1 | 2005-07-07 | |||
| JP2009059201A | 2009-03-19 |
Attorney, Agent or Firm:
HIRAKI, Yusuke (3-20 Toranomon 4-chome, Minato-k, Tokyo 01, JP)
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Claims: