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Patent Searching and Data


Title:
ファイル・システム・スナップショットの永続性のための方法および装置
Document Type and Number:
Japanese Patent JP4256851
Kind Code:
B2
Abstract:
A method, apparatus, and computer instructions for managing data in a file system in a data processing system. A request to modify a data block in the file system is detected during file system recovery time. In response to detecting the request, metadata is written to describe the data block into a snapshot image. The data is copied for the data block in the file system to the snapshot image. The data block is modified in the file system after the data is copied into the snapshot image. The snapshot image may be used to return the file system to a state prior to modifying the data block in the file system.

Inventors:
ジォーン・チャン
ジャネット・エリザベス・アドキンス
Application Number:
JP2005034061A
Publication Date:
April 22, 2009
Filing Date:
February 10, 2005
Export Citation:
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Assignee:
インターナショナル・ビジネス・マシーンズ・コーポレーションINTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
G06F12/00; G06F17/30
Attorney, Agent or Firm:
上野 剛史
坂口 博
市位 嘉宏